Commands by healthly (1)

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Generate random password
Generates password consisting of alphanumeric characters, defaults to 16 characters unless argument given.

Top 20 commands in your bash history

Poke a Webserver to see what it's powered by.
the good: Server: Apache/2.2.8 (Ubuntu) PHP/5.2.4-2ubuntu5.4 with Suhosin-Patch the bad: Server: Microsoft-IIS/6.0 and the ugly: Server: Apache/2.2.10 (Win32) mod_ssl/2.2.10 OpenSSL/0.9.8i PHP/5.2.6

Join lines
It's works only when you replace '\n' to ONE character.

find out how much space are occuipied by files smaller than 1024K (sic) - improved
The original didn't use -print0 which fails on weird file names eg with spaces. The original parsed the output of 'ls -l' which is always a bad idea.

Print a row of 50 hyphens

revert a committed change in SVN
This command can be used to revert a particular changeset in the local copy. I find this useful because I frequently import files into the wrong directory. After the import it says "Committed revision 123" or similar. to revert this change in the working copy do: svn merge -c -123 . (don't forget the .) and then commit.

Download all images from a 4chan thread
First (and only) argument should be a 4chan thread URL.

convert unixtime to human-readable
Mac have direct conversion of seconds (Epoch time)

Find the package that installed a command


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