Commands by ruedu (4)

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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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Show IP Address in prompt --> PS1 var
when working with many machines in a computer lab need to know the IP addr is very large, this is a simplistic solution to make things easier

Find files of two different extensions and copy them to a directory

Get information on your graphics card on linux (such as graphics memory size)
Loop is needed if you have more then one card.

List bash functions defined in .bash_profile or .bashrc

Remove comments and empty lines from a conf file
Some conf file are very long (squid.conf) This command help to read it.

List your largest installed packages (on Debian/Ubuntu)
The other commands were good, but they included packages that were installed and then removed. This command only shows packages that are currently installed, sorts smallest to largest, and formats the sizes to be human readable.

Attach screen over ssh
Directly attach a remote screen session (saves a useless parent bash process)

Jump to line X in file in Nano.
Starts the cursor on line X of file foo. Useful for longer files in which it takes a long time to scroll. If X is greater than the number of lines in file foo, it will go to the last existing line.

Changes standard mysql client output to 'less'.
Changes standard mysql client output to 'less'. In another words makes query results of mysql command line client to look much better.

Permanent mysql ssh tunnel to server


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