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

Copy uncommitted changes from remote git repository
Copy changed files from remote git repository, _including binary ones_, staged and unstaged alike. Note that this command doesn't handle deleted files properly.

grep for minus (-) sign
Use flag "--" to stop switch parsing

Generate a random password 30 characters long

Alternative way to generate an XKCD #936 style 4 word password usig sed
This is what I came up to generate XKCD #936 style four-word password. Since first letter of every word is capitalized it looks a bit more readable to my eyes. Also strips single quotes. And yes - regex is a bit of a kludge, but that's the bes i could think of.

Batch rename extension of all files in a folder, in the example from .txt to .md
Batch rename extension of all files in a folder, in the example from .txt to .md

Command to logout all the users in one command
It's only to logout all other user's except "root"

Increase mplayer maximum volume
use '0' and '9' to increase/decrease volume. this is useful on laptops with low speaker volume.

Assign top-level JSON entries to shell variables
A recursive version might be useful too. /dev/tty is used to show which shell variables just got defined.

Get the IP address
gives u each configured IP in a seperate line.


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