Commands by decept (3)

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count how many cat processes are running

Change gnome-shell wallpaper

Recursive find and replace file extension / suffix (mass rename files)
Find recursively all files in ~/Notes with the extension '.md' and pipe that via xargs to rename command, which will replace every '.md' to '.txt' in this example (existing files will not be overwritten).

Search shoutcast web radio by keyword
Searches for web radio by submitted keyword and returns the station name and the link for listing . May be enhanced to read user's selection and submit it to mplayer.

Get an IP address out of fail2ban jail
Removes an iptables rule created by fail2ban. This example shows how to remove a rule for an IP from the fail2ban-SSH chain. Can be used for any service monitored by fail2ban. For more on fail2ban, see http://www.fail2ban.org/wiki/index.php/Main_Page

Lists installed kernels

Rename files in batch

Get all the keyboard shortcuts in screen
Displays a list of all the basic keyboard shortcuts in screen.

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

prints line numbers


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