Commands tagged xkcd (32)

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Have an ssh session open forever
Open a ssh session opened forever, great on laptops losing Internet connectivity when switching WIFI spots.

Optimal way of deleting huge numbers of files

Save man pages to pdf

Remove a range of lines from a file

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

cpu process limitation for specific processname like java,kibana
apt-get install cpulimit

Show what PID is listening on port 80 on Linux

Remove all unused kernels with apt-get
This will remove all installed kernels on your debian based install, except the one you're currently using. From: http://tuxtweaks.com/2009/12/remove-old-kernels-in-ubuntu/comment-page-1/#comment-1590

Then end of the UNIX epoch
http://en.wikipedia.org/wiki/Year_2038_problem Some other notable dates that have passed: $ date -d@1234567890 $ date -d@1000000000

Rename files in batch


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