Commands by wenilak44 (0)

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Get a list of the top 10 heaviest tables in your mysql database - useful for performance diagnostics

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"

Unlock your KDE4.3 session remotely
The unlock command for KDE 4.3 has changed from krunner_lock, this process doesn't exist anymore. So here's the update :-) If qdbus complains about not being able to find X, put a "DISPLAY=:0 " (:0 being your X server display) in front of the command.

Get full from half remembered commands
Show all commands having the part known by you. Eg: $apropos pdf | less

restart apache only if config works
making lots of configurations to apache and restarting the server only to find it broken just plain sucks.

pngcrush all .png files in the directory
Find all pngs in directory structure and pngcrush them, none destructive. You can just remove the "{}.crush" part if you want destructive.

Find the package that installed a command

generate a random 10 character password
Generate a table of random 10 character passwords

Transform a portrait pdf in a landscape one with 2 pages per page
This is an example of the usage of pdfnup (you can find it in the 'pdfjam' package). With this command you can save ink/toner and paper (and thus trees!) when you print a pdf. This tools are very configurable, and you can make also 2x2, 3x2, 2x3 layouts, and more (the limit is your fantasy and the resolution of the printer :-) You must have installed pdfjam, pdflatex, and the LaTeX pdfpages package in your box.

Get length of current playlist in xmms2

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