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tunnel vnc port
Foward vnc securely from exampleserver.com

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

Better git diff, word delimited and colorized
I've been using colordiff for years. wdiff is the new fav, except its colors. Word delimited diffs are more interleaved, easing the chore of associating big blocks of changes.

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"

Save current layout of top
'top' has fancy layout modes where you can have several windows with different things displayed. You can configure a layout and then save it with 'W'. It will then be restored every time you run top. E.g. to have two colored windows, one sorted by CPU usage, the other by memory usage, run top $ top then press the keys $ and then as you don?t want to repeat this the next time: $

Monitor Linux/MD RAID Rebuild

Find name of package which installed a given shell command
Some command names are very different from the name of the package that installed them. Sometimes, you may want to find out the name of the package that provided a command on a system, so that you can install it on another system.

Rename files in batch

Verbosely delete files matching specific name pattern, older than 15 days.

Scan for [samba|lanman] NetBIOS names and ip addresses in LAN by ARP.


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