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Scale,Rotate, brightness, contrast,...with Image Magick
$rotate: the rotate angle $width, $height: width and height to scale to $birghtness: change brighness

Slow down the screen output of a command
(example above is the 'ls' command with reduced output speed)

remove *.jpg smaller than 500x500

Monitor RAID IO Usage
Shows the IO of the raid sync

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"

Should I be sleeping?

Get the current svn branch/tag (Good for PS1/PROMPT_COMMAND cases)
Get the svn info, grep for the "URL" of the repository, pull out the tag/branch/trunk, and then just show the helpful/meaningful bit.

Send an email from the terminal when job finishes
Sends an email from the terminal.

Resume scp of a big file
It can resume a failed secure copy ( usefull when you transfer big files like db dumps through vpn ) using rsync. It requires rsync installed in both hosts. rsync --partial --progress --rsh=ssh $file_source [email protected]$host:$destination_file local -> remote or rsync --partial --progress --rsh=ssh [email protected]$host:$remote_file $destination_file remote -> local

List only directory names
This command would be useful when it is desirable to list only the directories. Other options Hidden directory $ ls -d .*/ Other path $ ls -d /path/to/top/directory/.*/ Long format: $ ls -ld */


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