All commands (14,187)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Exclude multiple columns using AWK
Print all columns except the 1st and 3rd.

Tail a log-file over the network
Netcat is used to serve a log-file over a network on port 1234. Point a browser to the specified server/port combo to view log-file updates in real-time.

Backup a local drive into a file on the remote host via ssh

Skip banner on ssh login prompt
This allows you to skip the banner (usually /etc/issue.net) on ssh connections. Useful to avoid banners outputted to your mail by rsync cronjobs.

Clean apt-get and gpg cache and keys
Cleans apt-get and gpg cache and keys

Check variable has been set

make a log of a terminal session
Creates a log of a session in a file called typescript. Or specify the file with: $script filename Exit the session with control-d.

Update twitter with Perl
Requires Net::Twitter. Just replace the double quoted strings with the appropriate info.

Convert a videos audio track to ogg vorbis.
Assumes you have ffmpeg and oggenc. Similar to other scripts here, but this time outputting to Ogg Vorbis. I added the variable assignment for a nice output name. This is part of an interactive bash script I have with a few little multimedia tasks in it. http://www.dward.us/software/VSAK.sh

Vi - Matching Braces, Brackets, or Parentheses
This is a simple command for jumping to the matching brace, square bracket, or parentheses. For example, it can take you from the beginning of a function to the end with one key stroke. To delete everything between the pairs of {}, [], or (), issue the command: $ d% To replace text between pairs of braces, brackets, or parentheses, issue the command: $ c% You can also use this command to find out if an opening brace has been properly closed.


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