Commands using dumpe2fs (5)

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Day of the week of your birthday over the years.
Do you ever want to know which day of week was your birhday! Now you can check that with this command, just set your birh date at the beginning (My bday in the example) and the dates will be revealed. ;)

Save a file you edited in vim without the needed permissions - (Open)solaris version with RBAC

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"

Greets the user appropriately

Find the package that installed a command

Update twitter with curl
Same as below, but no quotes are necessary when twitting more than one word

back ssh from firewalled hosts
host B (you) redirects a modem port (62220) to his local ssh. host A is a remote machine (the ones that issues the ssh cmd). once connected port 5497 is in listening mode on host B. host B just do a ssh 127.0.0.1 -p 5497 -l user and reaches the remote host'ssh. This can be used also for vnc and so on.

Find the package that installed a command

Inverted cowsay
It's quite fun to invert text using "flip.pl" (ref: http://ubuntuforums.org/showthread.php?t=2078323 ). Slightly more challenging is to flip a whole "cowsay". :-)

VIM version 7: edit in tabs
Edit the files, each in a separate tab. use gT and gt to move to the left- and right-tab, respectively. to add another tab while editing, type ':tabe filename'


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