Commands using grep (1,935)

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Convert diff output to HTML ins/del

Route outbound SMTP connections through a addtional IP address rather than your primary

Display disk partition sizes
Use lsbk (list block) and jq (to manipulate a JSON on the command line) to display partition information:

floating point operations in shell scripts
using bc is for sissies. dc is much better :-D Polish notation will rule the world...

Set laptop display brightness
Run as root. Path may vary depending on laptop model and video card (this was tested on an Acer laptop with ATI HD3200 video). $ cat /proc/acpi/video/VGA/LCD/brightness to discover the possible values for your display.

drop first column of output by piping to this

Find writable files
Have a grudge against someone on your network? Do a "find -writable" in their directory and see what you can vandalize! But seriously, this is really useful to check the files in your own home directory to make sure they can't inadvertently be changed by someone else's wayward script.

Indent all the files in a project using emacs
use -iname \*[.ch] instead of -iname \*.c -o -iname \*.h

Outgoing IP of server
Faster than the curl/wget-approaches.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously


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