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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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Print info about your real user.
To get your effective user: whoami

I finally found out how to use notify-send with at or cron
You can write a script that does this : $remind []

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

List the size of all sub folders and files from the current location, with sorting

Generic shell function for modifying files in-place
Some commands (such as sed and perl) have options to support in-place editing of files, but many commands do not. This shell function enables any command to change files in place. See the sample output for many examples. The function uses plain sh syntax and works with any POSIX shell or derivative, including zsh and bash.

generate random password
generate password

Get HTTP status code with curl AND print response on new line

To convert **.wav to **.mp3 using LAME running one process per CPU core run:

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

Install pip with Proxy
Installs pip packages defining a proxy


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