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Go to directory or creat it and go to
For use in scripts this command is very usefull

Colorize grep output

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Video Google download
Download google video with wget. Or, if you wish, pass video URL to ie mplayer to view as stream. 1. VURL: replace with url. I.e. http://video.google.com/videoplay?docid=12312312312312313# 2. OUPUT_FILE : optionally change to a more suited name. This is the downloaded file. I.e. foo.flv # Improvements greatly appreciated. (close to my first linux command after ls -A :) ) Breakedown pipe by pipe: 1. wget: html from google, pass to stdout 2. grep: get the video url until thumbnailUrl (not needed) 3. grep: Strip off everything before http:// 4. sed: urldecode 5. echo: hex escapes 6. sed: stipr of tailing before thumbnailUrl 7. wget: download. Here one could use i.e. mplayer or other...

Display which distro is installed
Works on nearly all linux distros

Generate random password
Generates password consisting of alphanumeric characters, defaults to 16 characters unless argument given.

Postpone a command [zsh]
When writing on the command line of zsh, by pressing Alt+q the command will be cleaned, and you can insert another one. The command you were writing will be recorder, and pasted on the prompt immediately after the "interrupting" command is inserted.

ssh tunnel with auto reconnect ability

list block devices
Shows all block devices in a tree with descruptions of what they are.

Hypnosis
rather don't depend on those sleepin'pills http://en.wikipedia.org/wiki/Counting_sheep

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