Commands by k4ch0 (1)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Count number of files in subdirectories
For each directory from the current one, list the counts of files in each of these directories. Change the -maxdepth to drill down further through directories.

send incoming audio to a Icecast server (giss.tv)
easy way to setup an "internet radio sation", pre-requisite, create an account at an icecast server, in this example, just created beforehand an account at giss.tv. Change the word password, with the respective real password you created at server. Make sure to have installed rec, oggnec, oggfwd and tee. I have a mixer connected at line in, so I can mix music and microphone. This also will produce a local recorded copy of the session, it will be called "streamdump.ogg"

list files recursively by size

How much RAM is Apache using?
Display the amount of memory used by all the httpd processes. Great in case you are being Slashdoted!

Nicely display mem usage with ps
Nicely display mem usage with ps.

how to export a table in .csv file
Exports the result of query in a csv file

converts a directory full of source tarballs into a bzr repository so you can compare different versions easily

list block devices
Shows all block devices in a tree with descruptions of what they are.

Restart X11 with HUP signal

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.


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