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True Random Dice Roll
/dev/urandom is cryptographically secure, and indistinguishable from true random, as it gathers data from external sources, influenced by human timing interactions with computers, to fill the entropy pool, and hashes the input with SHA-1. As such, this is a quick way to do a "true random" fair-6 dice roll. Using this method, you could easily create passphrases with Diceware http://diceware.com. Change the head(1) count to something other than 5 for more or less numbers.

Clone IDE Hard Disk
This command clone the first partition of the primary master IDE drive to the second partition of the primary slave IDE drive (!!! back up all data before trying anything like this !!!)

For finding out if something is listening on a port and if so what the daemon is.

Unzip 25 zip files files at once

Discover full java className for import;
If you want to code without a IDE, using java may be painful to discover correct full class names to import. This script google it with javadoc word, then with some luck we got the javadoc as first item. next it curl the target javadoc and extract full name from it. Can by customized to extract other javadoc infos. Pre-reqs: bash, google-chrome, html2text and core-utils

hanukkah colored bash prompt
blue and yellow colored bash prompt for a Hanukkah celebration on your box

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"

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

What is my ip?

VIM subst any char different from literal " + EOL with searched string + white space
---- this line ends here but must be concatenated with this one "this line ends here" and should NOT be concatenated with this one


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