Commands tagged iso (14)

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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....

Find the package that installed a command

prevents replace an existing file by mistake
Use set +o noclobber and you will be able to replace files again

convert several jpg into one pdf file
require ImageMagick and GhostScript paquet

capture selected window
I think, this is a shorter one :)

lotto generator
note the xargs at the end

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Remove invalid key from the known_hosts file for the IP address of a host
Quick shortcut if you know the hostname and want to save yourself one step for looking up the IP address separately.

Smiley Face Bash Prompt
If your last command was a dud, your bash prompt will be angry at you. Otherwise it's happy. Soon you will crave its constant approval and your linux skills will improve simply to avoid low self-esteem.

convert a mp4 video file to mp3 audio file (multiple files)


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