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Dock Thunderbird in system tray and hide main window
Dock Thunderbird in system tray and hide main window. Very useful for startup scripts. Of course you can dock any app of your choice.

Look for English words in /dev/urandom
* to get the English dictionary: wget http://www.mavi1.org/web_security/wordlists/webster-dictionary.txt

how to export a table in .csv file
Exports the result of query in a csv file

copy from host1 to host2, through your host
Good if only you have access to host1 and host2, but they have no access to your host (so ncat won't work) and they have no direct access to each other.

Comparison between the execution output of the last and penultimate command
Useful for checking if there are differences between last and penultimate command.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

List all open ports and their owning executables
Particularly useful on OS X where netstat doesn't have -p option.

Extract the MBR ID of a device
Useful when you want to know the mbrid of a device - for the purpose of making it bootable. Certain hybridiso distros, for eg the OpenSUSE live ISO uses the mbrid to find the live media. Use this command to find out the mbrid of your USB drive and then edit the /grub/mbrid file to match it.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

creating you're logging function for your script
You could also pipe to logger.

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