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Automatically download Ubuntu 10.04 when available
Tested with 9.10 release. Choose whatever torrent client you prefer.

This command provides more color variety for the rainbow-like appearance by generating random color codes from 16 to 231 for adb logcat.

ssh and attach to a screen in one line.
If you know the benefits of screen, then this might come in handy for you. Instead of ssh'ing into a machine and then running a screen command, this can all be done on one line instead. Just have the person on the machine your ssh'ing into run something like $ screen -S debug Then you would run $ ssh -t user@host screen -x debug and be attached to the same screen session.

find out how much space are occuipied by files smaller than 1024K
The command gives size of all files smaller than 1024k, this information, together with disk usage, can help determin file system parameter (e.g. block size) or storage device (e.g. SSD v.s. HDD). Note if you use awk instead of "cut| dc", you easily breach maximum allowed number of records in awk.

Remove all the characters before last space per line including it

grep for minus (-) sign
Use flag "--" to stop switch parsing

Extract audio from a video

Use AbiWord to generate a clean HTML document from a Microsoft Word document.
Credit goes to @Porges from http://stackoverflow.com/questions/67964/what-is-the-best-free-way-to-clean-up-word-html.

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"

Delete all empty lines from a file with vim
This command delete all the empty lines (include the lines with space) from a file. g = global command \S = non-whitespace character; !\S the opposite d = delete a range


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