Commands using sleep (289)

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Look at your data as a greymap image.
Keep width to a power of 2 to see patterns emerge. 512 is good. So is 4096 for huge maps. PNM headers are super basic. http://netpbm.sourceforge.net/doc/pbm.html

Search for a string in all files recursively

Monitor all DNS queries seen by the local machine

Install pip with Proxy
Installs pip packages defining a proxy

Benchmark SQL Query
Benchmark a SQL query against MySQL Server. The example runs the query 10 times, and you get the average runtime in the output. To ensure that the query does not get cached, use `RESET QUERY CACHE;` on top in the query file.

Fill up disk space (for testing)
Put into some file. No special purpouse, just for fun...

Get a list of all TODO/FIXME tasks left to be done in your project
Place this in your .bashrc (or run it once) to set the `tasks` alias. Next time you enter `tasks` into a terminal, it will give you a list of all TODO and FIXME comments in the current directory and child directories, giving you a quick overview of what you still have to do!

geoip lookup

Reload all sysctl variables without reboot
Use `sysctl -p` without argument will only load /etc/sysctl.conf, but user configs always put in /etc/sysctl.d/*.conf, `sysctl --system` will load all the config files

Getting ESP and EIP addresses from running processes
'ps' let you specify the format that you want to see on the output.


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