Commands using sed (1,319)

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Downmix first audio stream from 7.1 to 5.1 keeping all other streams
Useful for Roku which does not support 7.1. Useful resources: - https://trac.ffmpeg.org/wiki/Map - https://trac.ffmpeg.org/wiki/Encode/HighQualityAudio - https://superuser.com/questions/852400/properly-downmix-5-1-to-stereo-using-ffmpeg

Quickly create an alias for changing into the current directory
Put the function in your .bashrc and use "map [alias]" to create the alias you want. Just be careful to not override an existing alias.

Startup a VPN connection through command line

Huh? Where did all my precious space go ?
Sort ls output of all files in current directory in ascending order Just the 20 biggest ones: $ ls -la | sort -k 5bn | tail -n 20 A variant for the current directory tree with subdirectories and pretty columns is: $ find . -type f -print0 | xargs -0 ls -la | sort -k 5bn | column -t And finding the subdirectories consuming the most space with displayed block size 1k: $ du -sk ./* | sort -k 1bn | column -t

Display a random crass ascii art from www.asciiartfarts.com
Optionally, pipe the output into http://sed.sourceforge.net/grabbag/scripts/html2iso.sed Or: wget -qO - http://www.asciiartfarts.com/random.cgi | sed -n '//,//p' | sed -n '/

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Repeatedly purge orphaned packages on Debian-like Linuxes
Upgraded Debian/Ubuntu/etc. systems may have a number of "orphaned" packages which are just taking up space, which can be found with the "deborphan" command. While you could just do "dpkg --purge $(deborphan)", the act of purging orphans will often create more orphans. This command will get them all in one shot.

List Network Tools in Linux
Get all the networking related commands for your distro

Find out current working directory of a process
This is an alternative to another command using two xargs. If it's a command you know there's only one of, you can just use: $ ls -l /proc/$(pgrep COMMAND)/cwd

bulk dl files based on a pattern
-O switch creates local filename same as remote curl [][] -o #1#2 makes local files unique inserting sequence values into #x placeholders sequences can be alpha or numeric e.g [a-z] [1-25]


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