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Recursively Find Images, Convert to JPEGS and Delete
Simple command to convert a large number of images into jpeg-format. Will delete originals after conversion.

Find ASCII files and extract IP addresses

set wallpaper on windowmaker in one line
set directly the wallpaper on windowmaker , use this command with display of imagemagick :)

Propagate a directory to another and create symlink to content
Lndir create from source directory to destination directory a full symlink tree of all contents of source directory, really useful for propagate changes from a directory to another.

Change gnome-shell wallpaper

a short counter
Maybe you know shorter ?

poor man's vpn
this easy to install tool redirects all traffic to internet through ssh. it's very usefull when connecting to free wifi. you need to start it as root because it needs permissions to change iptables settings. ofcourse you also need a shell account

find the longest command in your history

Remove all leading and trailing spaces or tabs from all lines of a text file
Bash only, no sed, no awk. Multiple spaces/tabs if exists INSIDE the line will be preserved. Empty lines stay intact, except they will be cleaned from spaces and tabs if any available.

Colored diff ( via vim ) on 2 remotes files on your local computer.
You can use $ vim scp://root@example.com//file too in a simple case.


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