Commands using grep (1,935)

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check open ports without netstat or lsof

generate random mac address

Edit a PDF's metadata using exiftool
Edit the pdf file foo.pdf's metadata. -overwrite_original overwrites the original file (w/o it exiftool creates a new file)

Write on the console without being registered
just use a space to prevent commands from being recorded in bash's history on most systems

locate bin, src, and man file for a command

list files recursively by size

Extract content between the first " and the last " double quotes
Thanks to this user: https://stackoverflow.com/a/35636373/2394635

Get a list of Mageia Linux mirrors providing rsync connectivity for Mageia 4 release
Need to find a Mageia Linux mirror server providing Mageia 4 via rsync? Modify the "url=" string for the version you want. This shows i586 which is the 32bit version. If you want the 64bit version it is: url=http://mirrors.mageia.org/api/mageia.4.x86_64.list; wget -q ${url} -O - | grep rsync:

Chrome sucks

Lookup errno defintions
Calls the POSIX strerror() function to look up the meaning of integer ERRNOs set by some functions.


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