Commands by gadjodilo (1)

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function to compute what percentage of X is Y? Where percent/100 = X/Y => percent=100*X/Y
This function make it easy to compute X/Y as a percentage. The name "wpoxiy" is an acronym of "what percentage of X is Y"

Watch active calls on an Asterisk PBX

use wget to check if a remote file exists
put your link [url] to check if exist the remote file

Check if system is 32bit or 64bit
Needed a quick way to see if my server distro that I setup years ago was running 32bit or not, since with time I had forgotten. Note: does not check _hardware_ e.g. /proc/cpuinfo but rather the kernel installed

Check whether laptop is running on battery or cable
If you want to do the same in OS X... grep as necessary for information you need....

Get the IP address of a machine. Just the IP, no junk.
Why use many different utilities all piped together, when you only need two?

Switch all connected PulseAudio bluetooth devices to A2DP profile
Tries to switch all audio devices to the A2DP profile for optimal sound quality. Useful for bluetooth speakers and headphones that always power up in HSP/HFP mode. Note however that this command is only a shorthand for the GUI, so it cannot fix stubborn BT controllers that leave your device stuck in HSP mode until a manual re-coupling.

Delete backward from cursor, useful when you enter the wrong password

get all Amazon cloud (amazonws etc) ipv4 subnets

Find where a kind of file is stored
In this case searches for where .desktop files are stored. The resulted is a sorted list of the top directories containing such files.

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