Using tput in $PS1 is breaking line wrapping

First characters of the command repeated in the display when completing


the difference in used hard drive space as shown by df and du is HUGE!

Why are there so many different ways to measure disk usage?


How to ssh into a remote box, run a command and keep it running after I disconnect

Keep processes running after SSH session disconnects


rename multiple directories by adding one character

How to mass rename files with ill-formed numbering?


What is the different between ls > list and ls >> list?

What are the shell's control and redirection operators?


How can I "merge" patterns in a single line?


What characters are valid to use in filenames?

Is it correct to use certain special characters when naming filenames in Linux?


Can I mount a partition from a full drive image?

How do I mount an `img` created with /bin/dd of a hard drive?


AIX-Need to add lines after identifying the Pattern in the file using Non-GNU - Sed


Sorting image files using header information


Cause of hard disk root space utilization

How to understand what's taking up disk space?


A stop job is running for Session c2 of user


What's the difference between "==" and "=~"?


can't install software-center on kali linux 2.0


how to extract some rows in a data file by comparing with another data file? (merging)

comparing the first column of two files and printing the entire row of the second file if the first columns match


How can I extract Chinese symbols from text


How to get list of files with not having search string

How can I find all files that do NOT contain a text string?


How do I install a program as a different user?

su options - running command as another user


How do I delete the last n lines of an ascii file using shell commands?

How to obtain inverse behavior for `tail` and `head`?


How to create CentOS 7 USB disk on Windows 8?

How to create a bootable USB with Windows?


Removing zombie process from the process table


How to disable warning message for Apt repositories using SHA1?


Executing shell script from command line


How to set multiple env variables from stdout pipe


Why is the array empty after the while loop?

Why is my variable local in one 'while read' loop, but not in another seemingly similar loop?


How to allocate available HDD from /home to /root


unable to scp a file with a space in name

Problem in secure copying (scp) filenames with spaces


how to find and replace a string containing "/"


the T-split command in linux as opposed to cat?

What are the shell's control and redirection operators?


How to disable an alias in bash for a single command?

How do I temporarily bypass an alias in tcsh?


How to get absolute path of current shell in a sourced script?


Why is there a discrepancy in disk usage reported by df and du?

Why are there so many different ways to measure disk usage?


Why do I get an "rsync: failed to set times on ... : Operation not permitted (1)" error on Ubuntu 10.10 with SME Server 7.4?

"rsync: failed to set permissions on ..." error with rsync -a or -p option


Return value of current watt consumption on command line


How to get size of a block special file?


My awk program to change spaces into tabs doesn't work


How to determine which process is creating a file?

Is it possible to find out what program or script created a given file?


df says I have 20G more disk space used than du. Why?


Managing and applying custom updates to multiple identical machines


Note-taking and outlining using Vi: On startup, highlight tags and display tags in a preview window


What's the best way to count the number of files in a directory?

How do you move all files (including hidden) from one directory to another?


How do you install Grub2 on a USB stick?


How can I use `find` and sort the results by mtime?

List files larger than {size} sorted by date


How variables inside braces are evaluated


Is it true that the first version of Linux was based on parts of Unix?


Font size issues with Emacs in linum-mode

Emacs text-scale-adjust causes line numbers column to incrementally shrink and disappear


How can I find out how many lines a text file contains without viewing it?


Why is my bash prompt getting bugged when I browse the history?


How to limit available virtual memory per process

Limit memory usage for a single Linux process


Determine what device a directory is located on


Running Cron every 2 hours and 5 minutes


What do all the pictures on the front of the "Unix and Linux System Administration Handbook" represent?

What are all the items on the cover of the "Linux Administration Handbook"?


How do I grep for multiple patterns with pattern having a pipe character?


run same command for multiple file at the same time

Parallel execution of a program on multiple files


How can I count the number of lines of a file with common tools?


How do you set the path in a non-shell environment (KDE)?

How can I set env variables so that KDE recognizes them?


How to auto mount an ssh file system on demand with an RSA key


Why doesn't text piped into an echo get outputted?

Redirecting the content of a file to the command "echo"


Disable/modify middle-click-to-paste in X11/Xorg

How can I turn off "middle mouse button paste" functionality in all programs?


Can servers be synchronised to share the same configurations?


What is the difference between > and >> (especially as it relates to use with the cat program)?

What are the shell's control and redirection operators?


Configuring, compiling and installing a custom Linux kernel


Mouse scroll wheel speed far too sensitive

How can I set mouse sensitivity, not just mouse acceleration?


touch: cannot touch file: No such file or directory

touch: cannot touch `foo': No such file or directory


What are character special and block special files in a unix system?

How do character device or character special files work?


How can I disable the button of my CD/DVD drive?


How do I point certain directory to /dev/null?

How can I create a /dev/null-like "blackhole" directory?


Can I add to my groups in the current (shell) process?

How to allow to run su instantly after I added the user to the appropriate group


Assigning IP address to environment variable

How to get my own IP address and save it to a variable in a shell script?


How do you empty the buffers and cache on a Linux system?


Merge files using zipper method / late merge


Difference between printf and echo in bash


Installing from source - do I need to keep the extracted tarball directory


How to fix hard-disk error connected by usb?

smartctl on external hdd inside ide-to-usb enclosure


How to compile a c program without leaving the editor?


When should I use a trailing slash on a directory?

the slash (/) after a directory name on shell commands


How to change extension of all files in a directory?

How do I change the extension of multiple files?


How to move all files and folders via mv command

How do you move all files (including hidden) from one directory to another?


How do you send command line apps directly to the background?


Manually run a cron job / simulate running cron job?

how can I make cron run a job right now, for testing/debugging? without changing the schedule!


mkdir with brace expansion seems to fail when variables are used

How can I use $variable in a shell brace expansion of a sequence?


Sort lines based on a variable-width number at a fixed position


Is there a way to change device names in /dev directory?


VI editor changes and does not change inodes of files when editing files under /tmp

why inode value changes when we edit in "vi" editor?


replace word with a variable in line start with

How can I use variables in the LHS and RHS of a sed substitution?


Brackets in if condition: why am I getting syntax errors without whitespace?


How to make tr aware of non-ascii(unicode) characters?


How can I run a command in zsh without pushing it onto the current session's history?

Is there any way to keep a command from being added to your history?


proper way to iterate through contents in a directory


How to use commands on files that start with "-"

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


How can I undo the changes after compiling a package?

How do I remove/uninstall a program that I have complied from source?


How can I detect a user login programmatically?

Is there a way to run a privileged command upon successful SSH login (not necessarily with shell or PTY)?


How to List files which contain white space in filename?

Why doesn't my loop over the output of ls work?


What does '>/dev/null 2>&1' mean in this article of crontab basics?


What are the advantages of GRUB over LILO?

What is the difference between LILO and GRUB?


How to fix corrupted bash-completion in command substitution?

Bash tab completion fails inside of command substitution


Can't ssh to my ubuntu machine using global ip address

SSH connection refused from inside my LAN


Why is the result of this for and while loop different?

Why the behavior of while loop and for loop is different?


If chown can change groups, why was chgrp created?


Open a new bash with sudo powers without reentering the password

Keeping sudo authentication with gnome-terminal


How to enter date as an option in a bash command?

Evaluating the return value of a command line


disable persistent network device naming

Why is my ethernet interface called enp0s10 instead of eth0?


How to resolve super user password problem

How to change the forgotten root password?


Finding new lines in one file compared with another

Is there a tool to get the lines in one file that are not in another?


Need to compare the two files and print all the columns then missing display as NA, then join another file

using awk command to compare the two files and print all the columns then missing display as NA


Log last N lines with irssi in real time

How to monitor only the last n lines of a log file?


Modify a file without creating another file

Can I make `cut` change a file in place?


Open tunnel only during local command run


How do I search for every file with executable permission (+x) in my system?


Simulate the remote host identification warning


How to read from two input files using while loop


Using semicolon to separate a background job from the following one?

How can one run multiple programs in the background with single command?


high precision subsecond cronjob replacement

Run unix command precisely at very short intervals WITHOUT accumulating time lag over time


particular Laptop key has no keycode (found with xev from Xorg)


Route Locally generated packets to different gateway

Output traffic on different interfaces based on destination port


How does the utility "sort" work? (why does it not work the way I think it should?)


Use parameter expansion to modify output of another expansion


Replace a value in a random position with specific with restriction

Random place change in row with restrictions


How to upgrade Vim 7.2 to 7.4 latest on Red Hat 6.6 the easiest way?

How can I instruct yum to install a specific version of package X?


xfce4-Terminal doesn't create a new pts session?


find and print file path, without filename


Difference between Linux Mint Debian Edition (LMDE) and Debian with Cinnamon

Difference between Debian 7.1 and Linux Mint 15 Debian


Install packages without internet connection

Ways to update Ubuntu (debian-based distros) offline


How to Display only the Working Directory Name in Shell Prefix?

Abbreviated current directory in shell prompt?


quoting problem when piping find output into xargs

Why does my shell script choke on whitespace or other special characters?


script to send an mail if disk space capacity exceeds 90%

Shell script to send an alert mail if disk usage exceeds 90%


How does 'whereis' find files so quickly?

How does searching a file (locate) or autocompletion work?


How do I get bash completion for command aliases?


find command with regex quantifier e.g. {1,2}


How to open Leafpad as root in gnome-terminal in kali linux?

Change files with Editor that need sudo permissions


how to copy a file from one server to 2 different severs

Using while loop to ssh to multiple servers


How does Linux handle multiple consecutive path separators (/home////username///file)?


How to get all lines between first and last occurrences of patterns?


How to get `pwd` in the shell script that was started by another shell script

Refer to a file under the same directory of a script found in $PATH


set a BASH variable equal to the output from 'top' command?

How can I assign the output of a command to a shell variable?


How does an OS detect an access to random memory address of a compiled program?

How does the kernel prevent a malicious program from reading all of physical RAM?


double quotation with tilda expansion and backslash

Why doesn't the tilde (~) expand inside double quotes?


How to create an alias for two Git commands that use a parameter?


How can I add an application to the GNOME window manager?


Why does this happen when I enter ' into the console?

Why do I sometimes get repeatedly prompted with ">" in the terminal?


Why do I get dropped into a GRUB rescue console?


Having ssh tunneling itself for remote access from a third machine

Tunnel traffic through another machine over ssh


Rename filename.JPG to filename .jpg recursively

Script to convert filenames to lowercase depending on extension


Are there any good tools besides SeleniumRC that can fetch webpages including content post-painted by JavaScript?


What is the ` character or symbol called and what is its significance outside of SE code formatting?

What does ` (backquote/backtick) mean in commands?


Compare two files for matching lines and store positive results


Why cannot a user change group ownership of his own files?

Permission denied to change gid(group) of a file I own


I get low disk space warning after my last upgrade

How to free space on a completely full volume?


named.run file deleted but data left on disk?

Find and remove large files that are open but have been deleted


How to find 3G signal strength when connection is already established by pppd?

How to send AT commands to modem once the connection is established?


Why should /var /opt /tmp /home /boot directories be on different partitions?

Why put things other than /home to a separate partition?


Why Service accounts in Linux and Unix Systems?

What's the difference between a normal user and a system user?


what is the difference between Device driver and kernel module

What is the difference between kernel drivers and kernel modules?


I'm not getting privileges, edited /etc/sudoers

How to run a specific program as root without a password prompt?


SSH tunneling error: "channel 1: open failed: administratively prohibited: open failed"


Removing a vagrant file I see .nfs0000000000b869e300000001


Counting the numbers of lines of data as it comes in?

How to do a continous 'wc -l' with gnu texttools?


Color matching but print other lines too

Convince grep to output all lines, not just those with matches


Special Parameter query - multiple used to obtain command name?


Enabling wired internet connection with dhcp during Arch Linux Installation?

Arch Linux 2014.04 64bit and connectivity problem during installation


Redirect output of a command to two different files

how to redirect output to multiple log files


tail display whole file and then only changes

tail -f but suck in content of the file first (aka `cat -f`)


Dedicated-purpose, single application linux boxes

How to create a custom Linux distro that runs just one program and nothing else?


Block Particular Command in Linux for Specific user


What does ~ mean at the end of a file name (e.g. httpd.conf~)?


How to run a specific program as root without a password prompt?


"No such file or directory" on files that exist?

Getting "Not found" message when running a 32-bit binary on a 64-bit system


OS errors : kernel: EDAC k8 MC0: extended error code: ECC chipkill x4

Does kernel: EDAC MC0: UE page 0x0 point to bad memory, a driver, or something else?


How does the syntax "${foo##*.}" work to get file extensions?


Swap separation for multiple distributions

Are there any side effects when two distros share a swap partition?


Convert newline-delimited list with spaces into arguments

Command substitution: splitting on newline but not space


Most efficient method to empty the contents of a file


Install single debian experimental packages?

Installing two glibc alongside in debian/ubuntu


Writing on NTFS drives (on Debian Wheezy)


What's the difference between `` and $()?

What's the difference between $(stuff) and `stuff`?


Is there way to replace value of symbolic link?


How to deploy programs on multiple machines


How to create alias to kill processes running on a TCP/IP port?


How to make sudo accept password automatically without prompting for it?

How to run a specific program as root without a password prompt?


What are the numbers after program names in Linux/GNU documentation?


What happened to the old files if we mount a drive to the directory?

Where do the files go if you mount a drive to a folder that already contains files?


.bash_profile not sourced when running su


-bash: syntax error near unexpected token `;'

bash: syntax error near unexpected token `}'


How to print dates between two different dates

how to create a data file with a column of date from day1 to dayN?


Distro for low-RAM with most recent package versions

Low-RAM Linux Distro Specifically for serving static sites


Proper way to delete contents of directory

How to remove only the content of directories?


How to remove n number of lines from a file using sed command?

Remove line containing certain string and the following line


How to "bond" sshd to only a given interface?

How to check that a daemon is listening on what interface?


-bash: /usr/sbin/useradd: Input/output error — What does this mean?


Universal package manager for install/uninstall?


I used the move command and all files disappeared

What exactly did mv /tmp/folder/* /* do to my filesystem?


Run a command when system starts for any users


Cannot Remove (Unmount) Server Share (NFS) from Mount List

Is there any way to check df -k hanging for nfs mount issues?


Forcing an 'added' alias to every command


What is the cheapest way to run AIX 6-7 at home?

How to run a fresh version of AIX in a Virtual Machine with a Linux host?


Have a 'file' generate its content on demand?

Create a virtual file that is actually a command


How do i create a sed script to prompt the user to replace a number in a file?

How can I replace a string in a file(s)?


How to remove a single quote from a file name?

Why is 'ls' suddenly wrapping items with spaces in single quotes?


Most elegant pipe to get rid of empty lines you can think of?

How to remove blank lines from a file (including tab and spaces)?


Command that works fine typed into terminal does not work as a bash function

Executing a Bash Script Function with Sudo


Better way to run a series of seven identical commands in sed?

Sed -- Replace first k instances of a word in the file


Sort based on field1, field2 but preserving field 1 sort and ignoring nulls/blanks in 2nd sort


How to search recursively within several levels of embedded tar tgz files?

How do I recursively grep through compressed archives?


Is there a convenient way to classify files as "binary" or "text"?

Bash script: check if a file is a text file


Substituting words in parenthesis using sed


How can a command in a pipe read from a keyboard?

How does ssh prompt for a password when all input and output is redirected?


How can I resolve a hostname to an IP address in a Bash script?


Why does bash complain "!": event not found"?


Why is this command to open man page and perform search not working?

Open man page and search for string in a single command


Some keys don't work in console (tty), but work in a terminal emulator

How do I jump to the next or previous word with CTRL + arrow keys in a console?


Rewrite a find command that uses sed -i for AIX

How can I achieve portability with sed -i (in-place editing)?


How can I avoid being prompted for a password in this script?

How to run a specific program as root without a password prompt?


Why does baobab estimate my usage as less than half compared to du or pan_quota?

Why are there so many different ways to measure disk usage?


Is it possible to find out what program or script created a given file?


Dealing With A System Which Is Not Letting To LogIn Due To Open Permissions


How to see and use the last paths used in Terminal?

Quick directory navigation in the bash shell


Run a command which returns a string when reading a file

Create a virtual file that is actually a command


How to run a process and find how much memory it uses?


Why does my shell script choke on whitespace or other special characters?


How do I extract the initramfs from a kernel image?


Does the default per user .ssh/config file override all options in system wide ssh_config?

options override for openssh client configuration


Carriage returns are prevent sed reading all my files

Wierd output using paste with serial option


How to prevent the terminal from closing when the program it was started with ends?

Prevent pane/window from closing when command completes - tmux


Storing git results in a variable results in weird behaviour


Can we change how bash_history gets updated?

Preserve bash history in multiple terminal windows


Script called by .bashrc with "exit" prevents log-in

What is the difference between sourcing ('.' or 'source') and executing a file in bash?


Brackets in if condition: why am I getting syntax errors without whitespace?


How can I create a empty file whose name begins with a dash?

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


Setting up environment variables with .sh file

Different ways to execute a shell script


How to change from csh to bash as default shell


Find a user's writable files and directories

Find files that a user can write, efficiently with minimal process creation


How to use sed to substitute strings which has "\" in it?

What characters do I need to escape when using sed in a sh script?


How can I use variables in the LHS and RHS of a sed substitution?


Sed Usage: Add shebang missing from first line of script

How to insert text before the first line of a file?


Use the system Compose database in Gtk applications

How to make Compose work in GTK and Qt apps?


Complete view of where the PATH variable is set in bash


Why am I unable to save my output to a file from a command that takes input as the file itself?

Can I read and write to the same file in Linux without overwriting it?


Does mount always require root privileges?

How to allow non-superusers to mount any filesystem?


grep -r is not working in HP-UX. Is there any alternative commad to be used instead of grep -r in HP-UX?

In HP-UX server, grep -r option is not working


How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


How to identify a drive's distro/OS based on its root folder

How can I get distribution name and version number in a simple shell script?


How do I delete a line only if it is at the specified line number and it matches the pattern?

How can I replace a string in a file(s)?


How to non-interactively configure the Linux kernel build?

How to script make menuconfig to automate Linux kernel build configuration?


A Live Linux Distro which is as small as possible (no X, no networking, bash)

What is the smallest possible Linux implementation?


Why can't sudo redirect stdout to /etc/file, but sudo 'nano' or 'cp' can?

Redirecting stdout to a file you don't have write permission on


Is it possible to pipe stderr while keeping stdout?


How to apply changes of newly added user groups without needing to reboot?

I added a user to a group, but group permissions on files still have no effect


How to indent an heredoc inside an heredoc the right way?

Can't indent heredoc to match code block's indentation


Where to get "/etc/ld.so.nohwcap" file from?

File /etc/ld.so.nohwcap is missing in Debian 7


How kernel decides what is a suitable module for some hardware device?

How does the linux kernel know device major and minor numbers?


Passing arguments with whitespace to a command from within a shell script?

Why does my shell script choke on whitespace or other special characters?


How to to resize an ext4 partition from the command line?


Console utility to know how disk space is distributed?

How to understand what's taking up disk space?


What are the shell's control and redirection operators?


Why isn't there a server edition for Fedora like Ubuntu?

What's the closest thing to a server version of Fedora?


How can I delete all characters falling under /* .... */ including /* & */?


Does Linux log when a process is started, and the PID that gets assigned to it? Where can I find that log?

Print pids and names of processes as they are created


Syslog local0 local7 and severity levels

What is the local6 (and all other local#) facilities in syslog?


How do I repeat the last command without using the arrow keys?


Temporarily change the xfce4-terminal title from within the terminal


Have a command in my $PATH, but it is not being recognized when I use sudo


How can I set environment variable permanently through shell script?

How can I make environment variables "exported" in a shell script stick around?


Shell - Customize the color of each line of a log file based on a pattern


Where do the files go if you mount a drive to a folder that already contains files?

Access to original contents of mount point


How to remove the directory which shows "resource busy"?

Removing a vagrant file I see .nfs0000000000b869e300000001


Finding the PID of the process using a specific port?


ext2/3/4 reserved blocks percentage purpose

Reserved space for root on a filesystem - why?


Parallel execution of sh script in multiple servers

How can I send single file to multiple remote sites at the same time?


SSH login with clear text password as a parameter?

Shell Script for logging into a ssh server


How to write bash script that deletes the oldest file in a directory if there are greater than N files in the directory?


How do I identify which Linux distro is running?

How can I get distribution name and version number in a simple shell script?


Kill all process of particular user in Ubuntu?

How do I kill all a user's processes using their UID


How do I set a user environment variable? (permanently, not session)


Are unix[-like] programs capable of determing where their output is going?

ls command operating differently depending on recipient


Why does it take more time for a login to fail than to succeed?

Why is there a big delay after entering a wrong password?


Possible to Host LAMP VirtualBox for Internet Site

How to connect to a guest VM from the host system?


What is the difference between all and default in kernel setting?

What is the difference between "all", "default" and "eth*" in /proc/sys/net/ipv[46]/conf/?


How can I add sudo permission for copying?

How to run a specific program as root without a password prompt?


Copy a file back to local system with ssh


How to access my webserver from the host machine?


Setting `$EDITOR` to open file in local emacs session

Can I bridge "backwards" from an ssh connection to my local emacs-server?


Is there an alternative to the `which` command?


NTP tool for showing deviance to a certain server


Convert the permissions in `ls -l` output to octal

Convert ls -l output format to chmod format


How to find out when an application was installed and when the applications/libraries it depends on are installed?

List packages on an apt based system by installation date


changing the names of files within a directory


Moving pacman from root to /home partition

How do I change my pacman root so that it downloads packages elsewhere?


Piping commands, modify stdin write to stdout

Get input from editor (vim/nano/emacs/textmate?)


Can I get SSH to use an askpass program even if it was run from a terminal?


Strange error (?) when I run `man` command from a folder that no longer exists

Why do I have to cd out of a deleted directory?


Is there a one-liner that allows me to create a directory and move into it at the same time?


Intel Xeon stuck at 800mhz CPU Freq on RHEL 6.5

CentOS conservative governor, nice error


A way for saving running state of a program

Save entire process for continuation after reboot


How can I use iptables to block certain processes from accessing the network?


What exactly are commands? How to identify?


Can I pipe stdout on one server to stdin on another server?


removing the last line of a file not working?

What's the point in adding a new line to the end of a file?


Writing a shell script in Ubuntu to process several layers as a single animated GIF file


What is the difference having double quotes or not in bash

$VAR vs ${VAR} and to quote or not to quote


Unable to open Windows Disk partitions in solaris 11


In Bash, when to alias, when to script, and when to write a function?


Explanation of version build time as opposed to version number, eg OpenSSL 1.0.1e versus h

Openssl upgraded via apt-get, `openssl version` showing previous version


VNC-Server as a virtual X11 monitor to expand screen


Allow user to use sudo to execute anything, only one executable as nopassword

How to run a specific program as root without a password prompt?


Is there an easy way to clean up useless files?


How is it possible to send ping to all 127.0.0.0/8 successfully?

Why are there so many loopback addresses?


How does Linux handle multiple consecutive path separators (/home////username///file)?


Why cannot find read /run/user/1000/gvfs even though it is running as root?


how to extract path from file location using shell

Stripping directory paths to get file names


How to create an alias for a sequence of commands?


How to find out a file is hard link or symlink?

Determining if a file is a hard link or symbolic link?


User cannot access a file after setting an ACL

Precedence of user and group owner in file permissions


How to copy a whole directory structure with a certain file size limit?

Copy files and directory tree for filesize in specified range


How can I add an application to the Favorites section of the Applications menu in CentOS 7?

How do I add eclipse to my gnome shell favorites?


Test if there are files matching a pattern in order to execute a script


Unable to access a directory despite belonging to a group with write permission

Group member cannot write even with write permission


executing commands in shell and turnoff the default displays of commands in console

cd to previous directory without echo of directory name


how to unzip/uncompress segmented zip files?

How to unzip a multipart (spanned) ZIP on Linux?


Detect whether a swap partition is in use by a hibernated system

Are there any side effects when two distros share a swap partition?


To disply welcome message every time i log into unix

What are the different ways that a message can be displayed to a bash shell after a user logs in?


How to delete the files in one folder which are more than 60 days old in UNIX?


How the /etc/passwd file is accessed by passwd command

How does the 'passwd' command gain root user permissions?


Using something like scp but when I've logged in already

Copy a file back to local system with ssh


Does network interface device have device inodes

Why are network interfaces not in /dev like other devices?


How keep the correct output line of command

Why does my shell script choke on whitespace or other special characters?


Keep service running after ssh session ends

Keep processes running after SSH session disconnects


run a certain file (e.g. a .py) when a certain image, .wav or excel file get opened


Cannot access a directory with permissions drw-rw-r--

Execute vs Read bit. How do directory permissions in Linux work?


Run a GUI application in background and reconnect later


Preventing user from accessing parent folders

Disable operations outside user's home directory with chroot jail?


Recursively Move All MP3's in a Directory

Move all files with a certain extension from multiple subdirectories into one directory


Can i use & variable of sed for doing operation inside $()?


Keep running program requiring X server after logging off of ssh session

How can I run a command which will survive terminal close?


How to automatically enter sudo's grace period upon CLI login?

How to automaticaly enter sudo's grace period upon login


Alternative shells (Javascript, Ruby, etc)?


SSH to a host and enter password with shell script

SSH login with clear text password as a parameter?


How to find out which virtualisation technology is used on Linux VPS server?

Easy way to determine the virtualization technology of a Linux machine?


What is the meaning of $* in a shell script?

What is the difference between $* and $@?


/etc/shadow date of last password change—UTC or local time?


How to set up local mail retrieval and delivery?


How do I make the Xterm window title switch between the current running command and the current path?


Why are PATH variables different when running via sudo and su?


How can I make a Puppet module that fixes time?

Time synchronization of machines on LAN to GPS NTP server on the LAN


Added user supplementary group, but 'groups(1)' not showing change

How to allow to run su instantly after I added the user to the appropriate group


Linux kernel with absolutely no virtual memory


Reason for the inability of root to send a fatal signal to PID 1/init


How to find out the content of a XML file using Unix Sed/Awk?

Parsing XML, JSON, and newer data file formats in UNIX using command line utilities


What option(s) would you use to sort a file named foo in place, that is replacing the original file with the sorted version?

Does sort support sorting a file in-place, like `sed --in-place`?


How to check which hypervisor is used from my VM?

Easy way to determine the virtualization technology of a Linux machine?


Why isn't the first executable in my $PATH being used?

How do I clear Bash's cache of paths to executables?


Why is `find -name *.jks` not returning some files?


Bootable USB appearing as HDD not Removable Device


extract only a specific folder Contents from a zipped archive to a given directory

How can I force unzip / zip not to create a subdirectory when I extract it?


How to see when a package was installed?

List packages on an apt based system by installation date


Extract a single file from a tar file and put it to another directory

Search for a file inside a tar.gz file without extracting it and copy the result to another folder


What should I be aware of when installing Linux on a Mac?


How do I get the nc command to end after 2 seconds?

Run a command for a specified time and then abort if time exceeds


How to run script using SSH from remote computer and avoid its interruption if remote computer goes offline

Keep processes running after SSH session disconnects


shell find -delete "directory not empty"

find -delete does not delete non-empty directories


What's the meaning of (1) in the man page?


Is there a GNU/Linux equivalent to the Mac OS X open command?


I need to take the output of command and make it the name of a file using a script

I need to create file with name is the result of the command in Solaris


How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


Reset ownership to default on opensuse 13.2


which process was running on a particular time in linux

Where is the log of used commands in Linux?


Boot computer on schedule 2 times per weekday

How can you schedule a computer to boot at a specific time?


How to remove a first character of that particular sentences from a list of output

How can I use awk to (sometimes) remove the first character of a column?


How to "grep" for line length *not* in a given range?

How to "grep" for line length in a given range?


Access rights for directory, when you are a part of owner group

I added a user to a group, but group permissions on files still have no effect


customizing file manager's top bar in gnome

Show address bar w. full path in Nautilus instead of breadcrumbs bar


Why is my variable local in one 'while read' loop, but not in another seemingly similar loop?


why Whereis not able to show command path, while which is working correctly?


Telnetting the local port working but trying with ip not working

Telnetting the Local port not working but trying the ip working


sed returns the following error sed: -e expression #1, char 101: unknown option to `s'

sed - find and replace text containing "/"


How does GUI in Unix/Linux actually work?


How to declare some aliases dynamically in zsh?

How can I make environment variables "exported" in a shell script stick around?


What stands for `xxx.d` in home directory? daemon?

What does the .d stand for in directory names?


How would pressing backspace 28 times break Grub2

GRUB2 security vulnerability: pressing backspace 28 times: What are my risks? What should I do?


Use sed to edit a line in a file with spaces in the name

Why does my shell script choke on whitespace or other special characters?


Allow all commands via sudo but nopasswd for specific commands

How to run a specific program as root without a password prompt?


How to recognize binaries installed in `~/bin`?

Bash scripts ran from from gnome/nautilus don't have environment variables


In a folder with many files how to do rm on lots of them


How to read from stdin in process substitution?

Process substitution and cat: can't read stdin


Practical limit on the number of btrfs snapshots?


Debian apt-get install asks for the DVD Binary

Use apt get install without inserting the DVD?


Have I missed anything? user1 is not in the sudoers file


Options to show images when on the console


Saving process output to a file in systemd unit file


How to fsck root file system before boot or on reboot

What should I do to force the root filesystem check (and optionally a fix) at boot?


Why can I cd to // but not /// or //// or ///// or …

unix, difference between path starting with '/' and '//'


Stealing and reattaching a running process

How can I disown a running process and associate it to a new screen shell?


How do I double each line of piped output?


How to add a new text line at the first line of a file?

How to insert text before the first line of a file?


Can we install a package through a shell script?

How to run a specific program as root without a password prompt?


No internet connection after update from ubuntu 14.04 to 16.04

No DNS resolution after upgrade from ubuntu 14.04 to 16.04


Using awk to change an entire column of both positive and negative values, to just negative?

Output negative values, regardless of original sign, on selected lines


how to set alias of command in bash that contains both single and double qoutes


What can cause my shell to look like this?

Why (and how) did using cat on binary files mess up the terminal?


Bash Script problem with Variables from files

Linux Bash script fails with a syntax error


Can I make it so that all new users created in the future will have an expired password by default?

How do I force a user to change a password at the first time login using ssh?


Is there any ways to copy all file to one specific sub-folder under the same parent-folder?

mv * folder (avoiding 'cannot move' error)


How to use find command to search for multiple extensions


How to move 100 files from a folder containing thousands?


How to override option in aliased command?

Run a command that is shadowed by an alias


shellscript is having trouble finding a file

Why do we use "./" (dot slash) to execute a file in Linux/UNIX?


How to upgrade/downgrade a specific package from "sid" on debian jessie "stable"?

How do I install a single package from Debian testing or unstable on stable?


RHEL sudo still not allowed for user 'tina'

Does user have to logoff then back on if I change /etc/sudoers?


Set-uid executable and resulting process user


Why does visudo compare the contents of `VISUAL` to a fixed whitelist?

How to set visudo to use a different editor than the default on Fedora?


Ubuntu 16.04, drive path changed on its own

Linux Mint: drives' map changing at reboot brings fstab error


If else statement involving two numbers in scientific notation

How to do integer & float calculations, in bash or other languages/frameworks?


How can I find out which package installed a particular executable?


How to use inotifywait to watch a directory for creation of files of a specific extension


Can't extend root partition with unallocated space


How to convert a colored file to mail readable in bash?

Program that passes STDIN to STDOUT with color codes stripped?


sorting filenames numerically when they have non-numeric prefix

How to sort the string which combined with string + numeric using bash script?


What is the point of the `cd` external command?


How can I get the amount of available memory portably across distributions?


Does umount calls sync to complete any pending writes


How to set environment variables at startup in Archlinux

How do I set a user environment variable? (permanently, not session)


What is the default value of LD_LIBRARY_PATH?

Where do executables look for shared objects at runtime?


Does the shebang determine the shell which runs the script?


Why does my shell script choke on whitespace or other special characters?


Ability to easily switch between directories in different areas

Quick directory navigation in the bash shell


Human-readable filesize with find's printf


How to view the output of a running process in another bash session?


Why are user permissions modifications not taken into account in a tmux session?

How to apply changes of newly added user groups without needing to reboot?


Why does SCP hang on copying files larger than 1405 bytes?

Can't access select https sites on Linux over PPPoE


I deleted files from my Linux box's /boot directory and now it won't boot

mistakenly deleted /boot folder and rebooted


Turn multiple line into one liner with custom separator

Turn list into single line with delimiter


Difference between a Window Manager and a Desktop Environment?

Windows Managers vs Login Managers Vs Display Managers Vs Desktop Environment


Exclamation marks in bash command arguments

How to properly escape exclamation points in bash?


Is there a way to find a file in an inverse recursive search?

find searching in parent directories instead of subdirectories


How I delete all files in a directory with specific extensions except the last 5 of them

Delete all files in a folder except the last (most recent) 20


How to debug and fix slow autocomplete in bash?


Kali-Linux dual boot doesn't work well: I cannot choose the operating system at boottime

Grub not loading after Windows 8 Install


How do I load an existing public and private key pair into SSH?


Is there a maximum to bash file name expansion (globbing) and if so, what is it?

CP: max source files number arguments for copy utility


How do I recover from the Heartbleed bug in OpenSSL?


Transfer files client-server inside a SSH session

Copy a file back to local system with ssh


Why does fstrim trim all of the free space on my mdraid mirror after a reboot?

fstrim trims more than half of partition size even though partition mounted with discard


How to use one variable's name to refer to another variable?

Shell, Concatenating 2 strings to reference a 3rd variable


GREP / SED or AWK: Print entire paragraph in a file on pattern match

How to grep for text in a file and display the paragraph that has the text?


Create ssh user which can only access home directory

How to add a ssh user who only has permissions to access specific folder?


Why is Debian updating old package versions instead of offering new versions? (openssl)

Openssl upgraded via apt-get, `openssl version` showing previous version


Pipe output from one command to another command's non standard input

Pass the output of previous command to next as an argument


Why am I still getting a password prompt with ssh with public key authentication?


How to create a user with limited RAM usage?


Highlight patterns in command output (grep-like but without excluding lines)

Convince grep to output all lines, not just those with matches


How can I tell what woke my laptop from suspend?


How to record the actual running time of a program with other programs running?

How can other processes affect measurements made with `time`?


Acting on a different display when using SSH

Can I launch a graphical program on another user's desktop as root?


How can I disable the mouse wheel in gnome-terminal?

Disable scroll inside Xfce terminal / Avoid scrolling through command history


create an RPM so that install will edit a config file using a shell command

How to run a script when install a rpm package?


Root access that can't change root password?


How to trace system calls being invoked after typing command?

Is it possible to strace the builtin commands to Bash?


What happens when we type a simple command on shell?


Why is `find -name *.jks` not returning some files?


Restore deleted Mysql Directory in linux


Why is swap used when a lot of memory is still free?

Why use swap when there is more than enough free space in RAM?


How to find what thing make a cycle in systemd

Debian and Systemd: breaking ordering cycle error


Logging and controlling changes to the system


How can I rename a lot of files using a regex?


Why are there so many different ways to measure disk usage?


How to combine Bash's read with HERE-document when shopt -os errexit is in place?

Use HERE file and redirect output of command


Complete files from a different directory in bash


How to disable select-on-release right mouse button in Linux

How to make X less sensitive when right clicking?


What does the 'd' mean in ls -al results and what is that slot called?

Understanding UNIX permissions and file types


tar files identified by wildcard but discarding file structure

Tar a list of files without their directory structure


How do I know what service is running on a particular port in linux?

Finding the PID of the process using a specific port?


How to create an alias that takes an argument in KornShell

Is it possible to use a parameter within an alias command


How to replace the spaces in filenames with underscore

How to replace one char with another in all filenames of the current directories?


Configuring my sshd securely (with automation)

Conditionally enabling systemd files through Debian packaging


Gedit cannot save in shared folder (Virtualbox)

Gedit won't save a file on a VirtualBox share: Text file busy


Why does bash treat commandlines starting with dots specially?

bash 4.3 "multiple dot" commands fails silently on Fedora


Error: cannot open display: :0.0 - Red Hat Enterprise Linux Server

Can I launch a graphical program on another user's desktop as root?


MySQL stop/waiting issues; “can't connect … through socket”


How to list all zip files in a directory?

bash iterate file list, except when empty


Automating SSh communication without Password Prompt


Why is directing stdout to a file inconsistent and delayed?


Best location and permissions for socket files


Get PID of a function executed in the background

How to get the pid of the last executed command in shell script?


How do I remove directories that begin with a dot after my server was infected?


using sed for replacing strings with "/"

How to replace a string with a string containing slash with sed?


refresh changed content of file opened in vi(m)


Check if process is running Mac OS X then execute code


understanding "mount" as a concept in the OS


How to customize .bashrc to configure command prompt?


Copy stdout and stderr to a log file and leave them on the console within the script itself

Redirect all subsequent commands' stderr using exec


How to list RPM packages installed in order of installation date

CentOS: List the installed RPMs by date of installation/update?


Is it normal to use the grave (`) symbol, followed by an apostraphe (') to quote?

Why do Unix man pages use double backticks in place of double quotes?


How to get 256 color support in a login shell TTY?


Delete all jpg in a folder that are smaller than specific width/heigth


bash: Avoid getting PID of parent process if subprocess fails


Obtaining remote host name in bash script


What happens to argument in alias after using it once?

Bash aliases/functions and command line options


How do I simply recover the only file on an empty disk just deleted?

Unix/Linux undelete/recover deleted files


Find where a bash command is defined or sourced from?

How to use `which` on an aliased command?


Debian Wheezy 7.1 - can't launch Skype or Firefox

Getting "Not found" message when running a 32-bit binary on a 64-bit system


How frequently is the proc file system updated on Linux?


Why this sort command gives me an empty file?

Can I read and write to the same file in Linux without overwriting it?


Why does the paste command add line breaks?


Ubuntu- How do I change clock speed from terminal?


Send all local mail to a single external e-mail

Can I change root's email address or forward it to an external address?


How do I connect to a pc through another pc using ssh


What is the difference between > and >> (especially as it relates to use with the cat program)?


Is there a way to merge two files smartly?


Shell script to send a mail once every 20 days

Need a shell script which should send a mail to me once every 20 days


How to adapt a Linux like fedora, ubuntu etc. to make my own linux distro?

How do you properly fork a Linux distro?


Linux efficient command to find if 32 bit/64 bit


Which cmd is the best for determining the OS' word size (32/64)-bit?


Where is the fork() on the fork bomb :(){ :|: & };:?


Executable not visible when run with sudo


Setting up a shared folder with group: ACL and file creation

How to set default file permissions for all folders/files in a directory?


How to check OS and version using a Linux command

How can I tell what version of Linux I'm using?


Undo file removed by rm commend on MAC terminal


Concatenating two variables with an underscore

how to concatenate string variables into a third?


Route a particular process over another gateway

Redirect traffic through vpn on an as needed basis


how to duplicate values of each row under each for n times?


In bash, is it possible to use an integer variable in a brace expansion


Whys is there extra dot at the start of some command I'm supposed to execute

What is the difference between sourcing ('.' or 'source') and executing a file in bash?


Command line tool to extract lines from a text file


Execute vs Read bit. How do directory permissions in Linux work?


Keybord-key and the resulting character. Who is responsible (in the OS)

How do keyboard input and text output work?


get environment variable by variable name?


Cron only occasionally sends e-mail on output and errors


Difference between writing `function Name { ...; }`, `Name () { ...; }` and `function Name () { ...; }` in bash

difference between "function foo() {}" and "foo() {}"


How to find SSH server's public key (not key fingerprint)


What does a ">|"-redirection ("greater-pipe"-redirection) mean?


Why is my ethernet interface called enp0s10 instead of eth0?


Removing a file with non-printing characters

How can I delete a file which filename has non-printing characters


Remote app - bash: cannot execute binary file

./executable: cannot execute binary file


How to capture "$?" before tee smashes it?

Get exit status of process that's piped to another


Redhat 6.6 root partition is showing 100% full after power failure

Tracking down where disk space has gone on Linux?


The script, which will take IP from the file etc/hosts


Check whether a file uses CRLF or LF to end lines

How to test whether a file uses CRLF or LF without modifying it?


How can the read/write speed of a partition or drive be measured?


How to extract "foo" from "foo-bar-baz" in bash?


How to run a specific program as root without a password prompt?


What's the difference between mnt vs media?

what is the distinction between /media, /mnt and /run/mount?


what are These ones mean ? it’s a Homework !

When you type "ls -a", what is the significance of "." and ".."?


What do the numbers in the "@@" line mean in output of diff?


Why does this bash conditional check work with [[ -n .. ]] but not [ -n .. ]?

Why does parameter expansion with spaces without quotes work inside double brackets "[[" but not inside single brackets "["?


What really is bash? (or any linux shell)

What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


Setting running process affinity with taskset fails


How to write "!" symbol between double quotes in bash?

Why does the exclamation mark `!` sometimes upset bash?


Remove all files/directories except for one file


delete all empty directories starting with


How to display size "human-readable" in lsof | grep /var*

A standard tool to convert a byte-count into human KiB MiB etc; like du, ls1


How do I reference all files including hidden files?

how to glob every hidden file except current and parent directory


How to find the number of bytes rewritten to a folder hierarchy?

How can I monitor disk I/O in a particular directory?


How do I make an alias to substitute single word in a piped command?


Entries I can safely exclude doing backups


Why doesn't this tee with process substitution produce the 1st and chosen lines?

How to grep a specific line _and_ the first line of a file?


mv multiple files same dir without specifying same path or each

Quickest way to rename files, without retyping directory path


Rename files in selected folder in Linux

How to rename multiple files in single command or script in Unix?


Unable to run python script - Permission Denied


Script to change current directory (cd, pwd)


Take the unknown contents of variable as literal in sed

How to ensure that string interpolated into `sed` substitution escapes all metachars


How do I switch from an unknown shell to bash?


Using a reference to a bash string variable in sed


Gzip Mutliple files using single command


Append same timestamp to multiple filenames


How to remove URI encoding from file names?


Why does the UNIX system need so many [0-byte] drives at /dev/*

Understanding /dev and its subdirs and files


Controlling the terminal while in the middle of a pipe


/sys: cpio: chown failed - Read-only file system (Building Passenger RPM using Docker)

Unable to check a mdadm RAID1 array, says the file system's read only?


Problem with locale: "Setting locale failed."


Split the large files into sub files. How to do this process?


Why does my shell script choke on whitespace or other special characters?


Counting the instances of specific words in a text, using awk

Get text-file word occurrence count of all words & print output sorted


Use & (ampersand) in single line bash loop


how to print ps header when using pipe in linux

How to grep a specific line _and_ the first line of a file?


output a variable value using echo command


Why does xubuntu install loads of stuff when I only selected desktop?


How can I guarantee USB wlan0/wlan1 order?


Linux Mint 17 Cinnamon: how can I run an application prior to the login screen?

How can I run a script that starts before my login screen?


What are the different ways that a message can be displayed to a bash shell after a user logs in?


What distro or package manager allows non root to install?

Installing a .deb package in home directory


How do I know which version of Debian I'm running?

How can I get distribution name and version number in a simple shell script?


Can I see the summed up results of the ping command while it is running?


How to assign an app to specific workspace with XFCE?

How to start an application on a different workspace?


Rename all the files with a specific extension in all the subdirectory

Recursively rename files and directories


Inherit the permissions on to the subfolders

Getting new files to inherit group permissions on Linux


How to filter the table names from .txt file

I need a command to filter the statements from a .txt file


Determine affected file given logical block number

Find which files are affected by bad blocks on ext4 filesystem


Using "${a:-b}" for variable assignment in scripts


How can I repeat a Linux command every minute?

What do options `ServerAliveInterval` and `ClientAliveInterval` in sshd_config do exactly?


Quick directory navigation in the bash shell


chown -R user:group * won't affect dot files

What is the setting in bash for globbing, to control whether * matches dot files


Create a virtual file that is actually a command


Output to stdout and at the same time grep into a file


Unable to redirect stdout/stderr to log file

Can I write the output the of time difference command to a file?


The domain and search options in resolv.conf


only regular expressions : i want the lastnames that start with A or R

linux : find a lastname that has 5 characters only in a text


How to execute multiple commands remotely on few servers?


What's the fastest way to get n-th line of a text file

How can I get a specific line from a file?


Why does Grave operator changes output format of the command?

Why does my shell script choke on whitespace or other special characters?


How to organize files in main directory into smaller amount of files in sub-directories

execute command on a defined range of directories


Redirecting output of `man <command>` to file produces file with tons of `^H` characters on OS X

Purpose of “ASCII text, with overstriking” file format


How to change the language for man command?

localization of man pages on Linux (Ubuntu)


how to color specific strings in standard output and standard error

How do you colorize only some keywords for a bash script?


How to manipulate a file descriptor in another process?

Write inside a socket open by another process in Linux


How do I modify a file without updating the modification time?


Why and when should eval use be avoided in shell scripts?


What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


Perform parameter expansion before brace expansion?

How can I use $variable in a shell brace expansion of a sequence?


How to tell if the CPU supports hyper threading

Checking if HyperThreading is enabled or not?


How to print the name of missing files in a folder?


unix, difference between path starting with '/' and '//'

How does Linux handle multiple consecutive path separators (/home////username///file)?


Creating a range of numbers from 08 to 10 in bash doesn't include 0 in front of one digit numbers


Reading from a continuously changing logfile


extract value between two search patterns on same line


Multiline pattern match using sed, awk or grep

How can I "grep" patterns across multiple lines?


Why is my variable local in one 'while read' loop, but not in another seemingly similar loop?

Piping for loop output prevents local variable modification


still not in sudoers file when add my username to group wheel

error when adding user to wheel group in CentOS 7


In bash, what is the safest way to pass variables to another program -- $* or $@?


How to move a window of the bottom panel in Gnome 3


find file but not in directories named X

find: combining -path and -prune to exclude files and directories


One liner to see if grep returned something?

Can grep return true/false or are there alternative methods


Fedora 23: how to take screenshot with context menu window opened on the screen


Difference between ' and " on command line (bash)?

What is the difference between the "...", '...', $'...', and $"..." quotes in the shell?


How do I see what symlinks exist for a given directory?


how to cd to directory OR directory file is in?

How to make `cd dir/filename` take me to dir/?


How to change color of command prompt, only the first line?

Colorizing your terminal and shell environment?


Search and replace strings that are not substrings of other strings


What is the difference between ls and l?

l, ls & la -- what are the differences, and are there more of these commands?


How can I grep through files whose name begins with `-`?

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


Display transfer speed when performing "cp" from the command line?

Is it possible to see cp speed and percent copied?


understanding "mount" as a concept in the OS

What is meant by mounting a device in Linux?


Generate XKCD passwords from single Bash line

Four random words from a list with Perl!


opening port 7 (echo port) on Linux/Debian

enable echo service and linux security loophole issues


Is there a way to limit the amount of memory a particular process can use in Unix?

Limit memory usage for a single Linux process


How does keyboard mapping work in Linux?

How do keyboard input and text output work?


Why the result of calculating path size differs from calculating the same path, using du

Why are there so many different ways to measure disk usage?


Why does a working standalone nested function/script not work inside a larger script?

Command substitution in for loop not working


Command to transpose (swap rows and columns of) a text file


Using a reference to a bash string variable in sed


What is the meaning of ps process names printed in [] such as [cgroup]?

What do the brackets around processes mean?


udev rules to identify a USB storage media?

Triggering an action when a specific volume is connected


Change name of em1 to eth0 in Fedora 19?

How can I change the default "ens33" network device to old "eth0" on Fedora 19?


Writing scripts that use different commands in different shells

determine shell in script during runtime


thoroughly find all links (hard and symlinks, and any combination thereof) leading to a file/dir

How to get a list all the "aliases" of a file (including of type directory) efficiently?


Error not a valid identifierd when executing shell script


Where does backtick and single quote come from when denoting commands e.g. `prog'?

Why do Unix man pages use double backticks in place of double quotes?


Easy way to determine the virtualization technology of a Linux machine?


Looking for lines which is in one file but not in other using Unix and Awk

Is there a tool to get the lines in one file that are not in another?


Is there an easy way to programmatically extract IP address?

How to get my own IP address and save it to a variable in a shell script?


Create user who can only access one directory

Restricting an SSH/SCP/SFTP user to a directory


input/output error that come back just fine. How to make sure it doesn't happen again?

-bash: /usr/sbin/useradd: Input/output error — What does this mean?


How to enable crash reports/core dumps/stack trace logging globally?


Why cat, grep and other commands can't understand files starting with minus sign?

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


Booting into shell instead of graphical interface

Disabling graphical login in Debian wheezy


How to download files from a remote Linux (Ubuntu) Server?


Equivalent of iwlist to see who is around?


Change the number of rows and columns in the TTY

How to change font-size, number of rows / columns in the console


How to tell if terminal session is running within screen


Is it possible to display a graphical application on another host/user

Can I launch a graphical program on another user's desktop as root?


What does a high load with an empty top mean?

why would there be a load of 5 if there are zero processes in the runq?


Can I use several pipelines as a argument?


Pin or hold? What's the proper way to tell apt-get dist-upgrade that I want to keep a particular package over another?

How to keep upstart installed-always, don't be replaced by sysvinit?


How can I change the date modified of a folder to the last changed file inside?

How do I change folder timestamps recursively to the newest file?


Why All the text is invisible in Intellij?


How to get lines 10 to 100 from a 200 line file into a new file


How can I rename a lot of files using a regex?


What is the difference between the use of ; and executing a script

Difference between executing multiple commands with && and ;


Setting PATH vs. exporting PATH in ~/.bash_profile


Determining which version of the NFS protocol is in use by a mounted NFS filesystem

Which version of NFS is my NFS server using?


How can Window Managers shutdown the computer?

How does the Linux desktop perform system actions?


How to display meminfo in megabytes in top?


Is it possible to remove the delay on wrong password?

Why is there a big delay after entering a wrong password?


apt installing more packages than specified as dependencies


Extracting text using sed does not work as expected

Extracting a regex matched with 'sed' without printing the surrounding characters


tmux: ncurses apps are displayed wrong (with garbage and so on)

Fixing scrolling in nano running in tmux in mate-terminal


How to do integer & float calculations, in bash or other languages/frameworks?


How to find out which (not installed) Debian package a file belongs to?


Is it possible to have multiple SSH host aliases?

How do I connect to a pc through another pc using ssh


how to set environment variables from a shell script?

How can I make environment variables "exported" in a shell script stick around?


setting output of a command to a variable

Storing output of command in shell variable


How do I make strace "decode" AF_NETLINK communication as with ioctl?


Cannot connect to X server :0.0 as superuser


Convenient way to check if system is using systemd or sysvinit in BASH?

How to determine which init system is used?


Why does wget return a HTTP 403 error to download openSSH pet?

why would curl and wget result in a 403 forbidden?


shell script header for best compatibility

Why is it better to use "#!/usr/bin/env NAME" instead of "#!/path/to/NAME" as my shebang?


Why do I have to execute bash programs with ./?

Why do we use "./" (dot slash) to execute a file in Linux/UNIX?


why is ! character used in shell scripts

Understanding the exclamation mark (!) in bash


Why does "df -h" show out of sync space used?

Why are there so many different ways to measure disk usage?


iptables: how to allow traffic from redirected port


difference between "ls –alR /" and "ls –alR / &"?

How to start a program in the background


Bash in php exec don't color png and mp3 files on Linux

Bash in php exec in webpage don't colors for png and mp3 files on Linux


How to save a command you entered without executing it?

Remember a half-typed command while I check something


Permission denied: writing a udev rule to to a test file in /etc/udev/rules.d/

Why do I get "Permission denied" when redirecting the output of sudo echo "xyz" to a file?


Testing a string containing only spaces (tabs, or " ")?

How can I test if a variable is empty or contains only spaces?


How to fix a terminal after a binary file has been dumped inside it?

Fix terminal after displaying a binary file


How to orientate many pictures well when pdfjoin *.jpg?

How can you pdfjoin smartly different sized pictures?


How to use a variable inside an awk statement?

Pass shell variable as a /pattern/ to awk


Why exif Orientation does not force image horizontal?


Scp files to multiple server simountaneously

Using while loop to ssh to multiple servers


Why running `cat /etc/localtime` on PuTTY puts a stream of "PuTTY" in the prompt?

Why (and how) did using cat on binary files mess up the terminal?


Authorized authentication by public key ssh , when active directory disabled account

What happens when your password expires and you're using key authentication?


How can I set a script to run a newline is added to the end of a file?

using inotify to monitor access to a file


History substitution fails when implemented in shell script

Is history expansion disabled in scripts?


Why am I still getting a password prompt with ssh with key authentication?

Why am I still getting a password prompt with ssh with public key authentication?


How to prevent $() from being executed prematurely when creating an alias

How to save an alias of an eval $(other_comand) command


Allowing a user to delete a file but not to read it

How to give permissions to read write but not delete the file


Linux: clnt_create: RPC: Program not registered


As a non root user, I'm able to delete a file made by root with 0444 permissions?

Why is rm allowed to delete a file under ownership of a different user?


How to obtain "\ " instead " " after a sed substitution?

How to ensure that string interpolated into `sed` substitution escapes all metachars


How do I use each line of a text file to select lines with matching string in a second text file?

Select lines from text file which have ids listed in another file


Authentication very slow (both with ssh and su)


How do I use the cat command to show the contents of a text file with numbered paragraphs?

Modifying cat command to number paragraphs and display last paragraph only


add a character before a line with matching pattern

Brackets in if condition: why am I getting syntax errors without whitespace?


Why am I still getting a password prompt with ssh with public key authentication?


Shell Script for logging into a ssh server


Why does my regular expression work in X but not in Y?


How to merge pages of a pdf from the command line

Printing two pages per sheet from the command line


Add ;; to the top and bottom of each file in a list

How do I append text to the beginning and end of multiple text files in Bash?


Postfix + dovecot, disable authentication on port 25

Postfix: disable authentication through port 25


How to insert the content of a file into another file before a pattern (marker)?


`open` command to open a file in an application

Opening current directory from a terminal onto a file browser?


How to sort text file by column starting at certain character position?

Trying to sort on two fields, second then first


start autossh reverse tunnel automatically when network comes up


kill bash loop executed from command line


Flattening folder structure with duplicate file names


Make mouse movements scroll when the middle button is held down


Possible to update Ubuntu 32-bit to 64-bit?

How to convert a 32-bit (x86) Debian-based system to 64-bit


cd in bash script without alias, function, source

In Bash, when to alias, when to script, and when to write a function?


How can I maintain open ssh connection and use it from shell scripts?


How to count the number of files in current directory that contain a specific phrase?

Number of files containing a given string


How can I replace a literal \n with a newline character? (on OS X)


mount permission mechanism for file explorers

How does gnome reboot without root privileges?


pipes - Inserting pipe to middle of string

piping pwd to an executable as an argument


How do you empty the buffers and cache on a Linux system?


What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


What is the best protocol to transfer large files over WAN?

What is the fastest way to send massive amounts of data between two computers?


Difference between ' and " on command line (bash)?


Append one file to two files in unix script


why ssh myLogin@localhost works but ssh root@localhost doesn't?

SSH login as root fails, but I'm sure I entered the right password


what condition we need to use "." in command line?

What's the meaning of a dot before a command in shell?


Selecting the columns from source file based on control file


Does linux mint use the ubuntu repos or their own repos?

Difference between Ubuntu and Linux Mint


Error: "failed to connect to lvmetad" in Ubuntu 15.10

How to fix the error warning failed to connect to lvmetad no such file or directory falling back to internal scanning in ubuntu 15.10


Microkernel (e.g. GNU Hurd) more secure than monolithic kernel (Linux)?

How does Linux kernel compare to microkernel architectures?


How do I convert all occurrences of the word “OLD” in some file with the word “NEW” in Linux

How can I replace a string in a file(s)?


cut command behaving differently when its output is " * "

Why does my shell script choke on whitespace or other special characters?


PHP CLI and Bash - change behaviour of PHP keyword


Why ls and stat shows different modified dates?

What is the difference between modify and change in stat command context?


How do I merge (without copying) two directories?


where will the system search for dynamic libraries?

Where do executables look for shared objects at runtime?


How to move a background job from one terminal tab to another?

How can I disown a running process and associate it to a new screen shell?


Why do I get "-eq: unary operator expected false"?

Why do I get "integer expression required"?


grep for specific process in ps but not the grep command itself

How can I prevent 'grep' from showing up in ps results?


Redirecting Standard Output And Standard Error to One File


Why can't I change the hostname of my server using sudo?

Redirecting stdout to a file you don't have write permission on


Is it possible to look 'behind' a mount point while still mounted?

Where do the files go if you mount a drive to a folder that already contains files?


How to find files which have been modified in the last 50 days?


What is the meaning of the directory specified by '//'?

unix, difference between path starting with '/' and '//'


How can I set a folder undeletable but have R/W permissions to it's content

Permissions to change only directory content and not itself


Prepending text read from a file on the top of another file


What are the shell's control and redirection operators?


Adding timestamp into log file via cronjob command

How can I execute `date` inside of a cron tab job?


Replace occurrences of character in filenames


vi / vim - extra indents when pasting text?


How to use Cut and Grep command to find data separated by ":"


What's the shortest way to find my WAN IP address at the command line?

How can I get my external IP address in a shell script?


Right way of creating a local filesystem hierarchy within /home

How to install program locally without sudo privileges?


Using tee or pipe to log console output will cause my program not to start


How can I disown a running process and associate it to a new screen shell?


get only file name while iterating over directory instead of path with it

Stripping directory paths to get file names


Compare directory trees regarding file name (and size and date)

Compare directories but not content of files


Merging CSV (single line per row) files without losing the header line


login/non-login and interactive/non-interactive shells

Difference between Login Shell and Non-Login Shell?


How can I find the CPU resource utilization of a process and all its children

Obtain user and kernel time of a running process?


Printing all lines around a string until matching another string

printing a block of text that matches a pattern


Keep a process in RAM (prevent it from swapping)

Turning off swapping for only one process with cgroups?


Deleted file being written to by running process, can I recreate it?


rsync over ssh without typing the password each time

Shell Script for logging into a ssh server


I want search for a string and to pull all the lines between two patterns

Search for a string and print everything before and after within a range


What's the quickest way to find duplicated files?


Show last three directories in the prompt

Setting up command promt in tcsh to show only last 3 working directory instead of complete path?


Why "lsof" is not working when it used in ssh?

Quoting in ssh $host $FOO and ssh $host "sudo su user -c $FOO" type constructs


How can I move files into subdirectories by count?

execute command on a defined range of directories


limit grep context to a part of the result line

Limit grep context to N characters on line


How to list files with a particular pattern created in the last 30 days in unix


Create blinking text with echo and escape characters

blink code(escape code) has been removed?


Make screen work like a terminal (scrolling + alternate screen)

Is there a way to make Screen scroll like a normal terminal?


I added a user to a group, but group permissions on files still have no effect


What's the fastest way to remove all files & subfolders in a directory?

How can I delete a folder with lots of subfolders fast?


How could I quickly find a recursive symbolic link?

Is there an algorithm to decide if a symlink loops?


filter journalctl output, preserve color

How to trick a command into thinking its output is going to a terminal


How can I handle SIGINT trap with a user prompt in shell script?


What is difference between User space and Kernel space?


Allow a user to read some other users' home directories


How does shutting down require sudo except when done through a GUI?

How does gnome reboot without root privileges?


Is there any way to detect file type and open it with GUI in terminal in Fedora?

Is there an "open with" command for the command line?


What are the legitimate uses of the `touch` command?


How do I install manually a package instead using yum

CentOS: How to install libyaml-devel from source?


Using grep and looking for unique occurrences

What is the difference between "sort -u" and "sort | uniq"?


How do you time how long a command took to run?


What is the difference between Halt and Shutdown commands?


The difference that quotation marks make in find command


How to reconnect a logically disconnected USB device?


How can the number of files in a directory be determined by viewing "ls -ld" output?

How can number of subdirectories and files be determined from ls -ld command?


Can a shell script running in a ssh continue to run if the SSH instance closes?


Why do some commands have man pages and other commands use --help?


How to access the history on the fly in Unix?


How to report time and other information on all bash commands?

Forcing an 'added' alias to every command


Why is bash interpreting characters that I have character escaped?

How to properly escape exclamation points in bash?


Run a cron job every minute, meaning of syntax


How to install linux (BackBox) and windows on the same computer?

What should I do before dual-booting Windows 7 and Debian on EFI?


mail: send email with attachment from commandline


Use same arguments with different command


Rsync and take name/path changes into account

Any way to sync directory structure when the files are already on both sides?


Building Linux from Scratch stuck, incompatible sed version?

"No such file or directory" on an executable, yet file exists and ldd reports all libraries present


Strange temporary network outage in Linux

Linux network troubleshooting and debugging


Store password as hash in wpa_supplicant.conf?

wpa_supplicant store password as hash (WPA-EAP with phase2="auth=PAP")


How to switch to editing command in text editor

Where is the bash feature to open a command in $EDITOR documented?


insert text in a file using echo command

Redirecting stdout to a file you don't have write permission on


cp with a single argument containing wildcards

What does `mv ./*` without specifying destination do?


Given a CSV file, how do I delete the content between the 2nd and 3rd tabs of each row?

How to manipulate a CSV file with sed or awk?


Can we run objective c on UNIX operating system?

Adding Objective C compiler to GCC 4.7.2


how to remove a file named "-f" from the command-line?

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


How do I access a flash drive that has been ejected without physically plugging it out and back in?

How to reconnect a logically disconnected USB device?


Editing /etc/hosts and /etc/sysconfig/network doesn't chane the hostname

How to change the hostname of a RHEL-based distro?


difference between `for i in {1..$N}` and `for i in $(seq 1 1 $N) `

Which bash will expand  {1..$VAR} in the same way that zsh does


Methods for avoiding bash history logging?

How do I close a terminal without saving the history?


how to rename of handle a '-r' named file?


Find pattern using grep and then replace with sed

Appending word at the end of line with sed


How can I execute `date` inside of a cron tab job?


append %200 at the end of an "address 1.1.1.1" line


A generic command to extract archive files


Mounting and modifying a loopback file without sudo/root, is it possible?

How to mount an image file without root permission?


Is there a way to retrieve the name of the Desktop Environment?

How to detect the desktop environment in a bash script?


How does the linux kernel detect which hardware is present/driver to load?

How does the linux kernel know device major and minor numbers?


Split a file by line and have control over resulting files extension


Wordsplitting occurring in quoted variable

Quoting within $(command substitution) in Bash


Did i really screw up my system using chmod?


Script to move all files in a dir (and subs) to a new folder based on extension

Sort files according to their extensions


Recursively update all Folder "Date-modified" timestamps to date of newest file

How do I change folder timestamps recursively to the newest file?


Why root lose permission of 1st and 2nd level symlink?

Symbolic link not working as expected when changes user


How can I get my sed command to make permanent changes to a file?


How to move files from parent diretory to sub-directory using command?

How to move all files plus hidden to folder down?


unix utility to merge files without space overhead (cat *.txt > merged.txt;rm *.txt in one step)

Append huge files to each other without copying them


How to run pdftotext ... | grep on many documents?


Can't update GCC version from 4.9.2 to 5.4 or 6.2?

How to install GCC 5 on debian jessie 8.1


How to print next line on current line if next line contains some character?

How do I remove newline character from lines preceding a particular pattern?


List partition labels from the command line


Assigning command output to variable gives strange results

How can I assign the output of a command to a shell variable?


How to pass a globbing pattern as parameter to a function in bash?

Why does my shell script choke on whitespace or other special characters?


How to output latest created file in shell

Returning last-written file, containing particular sub-string in file name?


Getting started with "man": a few questions

Tricks and tips for finding information in man pages


Prepending a timestamp to each line of output from a command


Monitor accesses to directory on a Linux machine


How to capture the exit status of a non-final command in a pipeline?

Get exit status of process that's piped to another


How to print the text between the first occurence of a pair of strings?

How to select first occurrence between two patterns including them


why md5sum 2>&1 > /dev/null show error message


Is the terminal that you get when typing Ctrl+Alt+F# a process?

What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


How to use awk to count the total number of input lines in a file?


After I editted my .bashrc I got ghosts in my prompt

Why is my bash prompt getting bugged when I browse the history?


How can I remove a file named beginning with `#`?


what is the purpose of the -I option of the xargs command?

What is the purpose of xargs -I command?


Using files that have spaces in their name in pipes

Why does my shell script choke on whitespace or other special characters?


How to create several root-like and non_root-like linux users


Turn list into single line with delimiter


Difference between 'cat < file.txt' and 'echo < file.txt'

Redirecting the content of a file to the command "echo"


Count number of lines in files then compare which has more (BASH)

List files sorted by the number of lines they contain


Ssh keeps asking for passphrase several times

How to avoid being asked passphrase each time I push to Bitbucket


Pass the output of previous command to next as an argument


Is it possible to convert a .exe file to runnable Linux file?

How do I run a windows executable in linux shell script?


What is the difference between sh and ./ when invoking a shell script?

Does the shebang determine the shell which runs the script?


What is "( set -o posix ; set ) | less " doing?

How to print only defined variables (shell and/or environment variables) in bash


How to Suppress messages generated by an application being sent to my terminal window?

How to redirect the output of any command?


How to execute consecutive commands from history?


Graphics problem on debian 8.0 with Kaby Lake CPU

Installing Debian on Kaby Lake machine: difficulties with X.org


Change Runlevel In CentOS 7 with SystemD

Does systemd still know about runlevels?


Which one is the suitable Debian iso for desktop?

31 Debian CDs -- Why? and which do I need for a vanilla desktop install?


How to leverage a user defined variable in a command to create a condition in an if

Test if there are files matching a pattern in order to execute a script


find -exec throws error even with ending plus ('+') sign

Why is find not accepting '-exec cp {} dir +'?


Directory '~' ended up in one of my folders

Accidentally made a directory "~" in a subdirectory


How to get the ~/.bashrc to work in the native terminal application in Centos?


How to hide asynchronous command completion result

How to suppress exit code of finished background jobs


Pass a variable in another variable within an awk

Pass shell variable as a /pattern/ to awk


logic behind deleting files where user does not have right to write


Change date only for a single non-root user in Linux

How to trick a particular command into thinking it is a different date?


How to input two arguments with getopts?

Provide two arguments to one option using getopts


Commenting out multiple lines of code, specified by line numbers, using vi or vim


How to move a window from one Window Manager to another running WM?


How can I tell when a file was compressed?

Determine whether a particular file is compressed


How can I have a SSH banner appear BEFORE the "login as:" prompt?

Non-ASCII printable characters in sshd banner


Is there a way to check a users SSH key to see if the passphrase is blank

How can I determine if someone's SSH key contains an empty passphrase?


Using the system date / time in a Cron Script


Is there a simple way to preview the files that rm will remove?

How do you do a dry run of rm to see what files will be deleted?


No password to run command as root for fixed command?

How to run a specific program as root without a password prompt?


Debian based system, only one gui program, nothing else


What is the difference between ~ and / in paths


How to replicate basic configuration tasks?


Unable to preserve ownership in a copy but able with a move?


How can I hide a command line from (e.g.) top & htop?

How to make a process invisible to other users?


Is there a log for sshd where I can see who has used ssh to access my PC?


setting environment variable as a function of another env variable


Unix - Addressing filename with space for script

Trouble in script with spaces in filename


About the usage of Memory in a linux server


alternatives to adding entry in /etc/hosts

Can I create a user-specific hosts file to complement /etc/hosts?


Why is GParted listing an empty parition as using 43.90 GB?

df says I have 20G more disk space used than du. Why?


Can a superuser (with 'root' access) manipulate data on a database installed on the server?

Can root/superuser read my read-protected files?


Can we make grep faster by indexing words in files?

Grep of many keywords over many files: speeding it up


Installing extra packages of Debian Wheezy from terminal (after a net install)

Aptitude on Debian 6.0.4 "media change" to CD ROM


How to permanently set environmental variables


Upgraded to mint 17, keyboard stuck in non-english (wrong layout) language - can't login

Mint login screen: wrong keyboard layout


How can I execute `date` inside of a cron tab job?


Why doesn't my function work with spaces? (cd, dirname)

Why does my shell script choke on whitespace or other special characters?


What is the difference between MAC OS X "Virtual Memory" and Linux/Unix Swap?

What is the use/meaning of 'swap area' while linux installation?


change a bash script while it is running

Bash is automatically reloading (injecting) updates into a running script upon saving it: Why? Any practical use?


Is it possible to have a case within a case, like if within a if

bash nested case syntax and ;; terminators


Confusion about basic bashscript loop - until/done

Brackets in if condition: why am I getting syntax errors without whitespace?


how to replace a specific pattern from all files

How can I replace a string in a file(s)?


How do I know if I'm in a jail, container, snapshot, etc. environment?


Using cURL, How can I fetch a numerical string which contains commas and spaces and convert such to a NON COMAFIED string

Using cURL command-line tool on Mac, how does one fetch stock data which comes back *without* commas?


Is there a ".bashrc" equivalent file read by all shells?


What does dash "-" mean in Unix command line?


Why is my script calling multiple functions?


Inputting user input automatically through bash script?

How to add a unix/linux user in a bash script


Why does GNU head/tail read the whole file?


Remove a specific extension from all the files in a directory

How to rename multiple files by removing the extension?


SSH tunneling fails with "administratively prohibited: open failed"

SSH tunneling error: "channel 1: open failed: administratively prohibited: open failed"


runtime errors, where do they come from?

How does a Segmentation Fault work under-the-hood?


Is there way to see `man` document only for specified option of a command

How to filter any part of description or option from manpage


How can I write an alias for cd such that it will fire ls after going into the directory to which I just cd'ed into?


Why alias inside function does not work?

bash aliases do not expand even with shopt expand_aliases


What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


How to find number of Subdirectories under a given directory

number of folders in a directory (recursive)


Why was '.' chosen to represent the current directory and '..' for parent directory?


Which application receives which hotkey? (List X clients which hold key grabs.)

Find out which application listens to specific key bindings?


What is the difference between these Debian ISOs?

What are the different CD's & DVD's for?


Bash script: array elements containing space character

Why does my shell script choke on whitespace or other special characters?


how to patch bash vulnerability (shellshock) bug on RHEL?

When was the shellshock (CVE-2014-6271/7169) bug introduced, and what is the patch that fully fixes it?


Xmodmap syntax for rebinding Shift+Down to Up


What's the best way to take a segment out of a text file?


Manipulate du's output to get a custom printout


Why is "nodev" in /etc/fstab so important? How can character devices be used for hacking?


print column value based on column name match in awk/sed


Fix LS Colors for directories with 777 permission?

What causes this green background in ls output?


How to convert text into numbers for chmod?

How to get permission number by string : -rw-r--r--


Why the default eth0 interface is down by default on CentOS?


What are the use cases for write-only and write-execute files?


How to remove all empty directories in a subtree?


Rsync protocol name full path, not a module


Parenthesis in expr arithmetic: 3 * (2 + 1)


error in script for number of occurences count

error in count script for number of occurences


error in script for counting number of occurences


grep between two lines with specified string

Search for a pattern in a file and move it to the new files one by one


Merge records depending on first three common columns and place the values which are uncommon in the last column as comma separated

Merge records depending on common columns and specify the values which are uncommon in the last column as comma separated


Email issue with output of bash script blcheck

Removing control chars (including console codes / colours) from script output


How can I find all files that do NOT contain a text string?


Swap used even though most memory is "cached"?

Why use swap when there is more than enough free space in RAM?


On Centos7 firewalld overwrite iptables modules

How to make modprobe nf_conntrack_ftp persist a reboot on CentOS 7 and firewalld?


how to know whether a headphone is plugged in from terminal?

Detecting headphone connection/disconnection in Linux


Delete all files in a folder except the last (most recent) 20


How do I get the total size of everything in a directory in one line?

How do I get the size of a directory on the command line?


Why does cd-ing to // set PWD to //, but more slashes just gives /?

How does Linux handle multiple consecutive path separators (/home////username///file)?


SFTP chrooted to home directory and users wanted to have a write permission to home directory


Checking file count for a particular format in a directory in unix


Insert result of command into an executable (one command)

What are the shell's control and redirection operators?


Do light color codes work across all distros and terminals?

Can't apply brightness to terminal's background color


What is the most CPU efficient way to ensure that NumLock is on?


Arguments and positional parameters in `bash -c <some-command>`


Splitting string by the first occurrence of a delimiter


what is the difference between vmlinuz vs zImage?

What is the difference between the following kernel Makefile terms: vmLinux, vmlinuz, vmlinux.bin, zimage & bzimage?


Why do some Linux shell scripts use exec to run commands?


How do I use grep while keeping the original text color?


Why does my shell script choke on whitespace or other special characters?


What is a non-agressive way of killing a process?


How to change name of "~" directory? Debian 8


How to schedule run shell script that opens Firefox

Open a window on a remote X display (why "Cannot open display")?


How does the shell decide which of same-name keyword, builtin, and external command to run?


Creating a virtual file whose contents are determined programmatically

Create a virtual file that is actually a command


awk print all matching lines including duplicates

How to use grep/awk/unix to match all lines from one file in another file, even if they are duplicates


Different filesizes on different computers


Add trailing slash in bash completion of directory symbolic links

Avoid a trailing slash in bash when completing a directory name (like zsh)


Redircting stdout to file, but duplicating stderr to both file and terminal


Setting up aliases with interactive ssh session

Execute bash commands over SSH while staying in interactive mode afterwards


How does load average work with modern CPU's?


How to execute a script on SSH Login or device bootup/shutdown?


Why doesn't umask change execute permissions on files?


Issue in activating environment on UAT server


Problem using head to remove last line of file

Can I read and write to the same file in Linux without overwriting it?


raid 0 recovery after accidental dd to disk

recovering ext4 partition after dd'ing over start of HD


bash : export: `PATH:home/pi/netkit/bin:/usr/local ... invalid indentifier

"not a valid identifier" when I do "export $PATH"


How to run a specific program as root without a password prompt?


Generic debugging / logging / tracing filesystem directory & file access?


Unable to clean ^[(B control characters from log file


How to get IP Address using shell script?

How can I get my external IP address in a shell script?


Running a bash script each time a file is uploaded?

How to run a command when a directory's contents are updated?


How do I make sure that a script is run exclusively?


What is the difference between "all", "default" and "eth*" in /proc/sys/net/ipv[46]/conf/?


Using exec and tee to redirect logs to stdout and a log file in the same time

Redirect all subsequent commands' stderr using exec


Why are rules not combining in an ssh config file?


What does the 's' attribute in file permissions mean?

What's the difference between "s" and "S" in ls -la?


How to rename file using substring of the same file name


Wrapper command that runs program in temporary directory and deletes it after execution

How to delete a directory automatically when an executable is killed


How do I rename lots of files on a directory without changing their extensions?

How to copy multiple files but keep their extensions the same?


Grep display both matched and umatched lines

Convince grep to output all lines, not just those with matches


log into a machine through another, with (de)compression at the ends only

Tunnel traffic through another machine over ssh


How to bind super key to Ctrl+Shift using xmodmap?


CP: max source files number arguments for copy utility


What filesystem should I choose for an SSD?


What is the most portable method of launching a terminal emulator?


Is it possible to freeze task order in htop?


Getting 'no such file or directory' even though the file is clearly there

Getting "Not found" message when running a 32-bit binary on a 64-bit system


Need to grant two users to an AIX server to just one folder

granting write permissions to a group to a folder


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