Commands using sed (1,319)

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Find the package that installed a command

Calculate pi with specific scale
a() function in bc is for arctangent, available if using -l option included.

Broadcast your shell thru UDP on port 5000
Better solution in case of many clients, imo.

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

a fast way to repeat output a byte
I'm both a one-liner fan and a haskell learner

Find usb device
I often use it to find recently added ou removed device, or using find in /dev, or anything similar. Just run the command, plug the device, and wait to see him and only him

Count items in JSON array
Pipe any JSON to jq, then count with the appropiate expression and use the | length on the array

Share your terminal session real-time
One person does `mkfifo foo; script -f foo' and another can supervise real-time what is being done using `cat foo'.

I finally found out how to use notify-send with at or cron
You can write a script that does this : $remind []

Rip DVD to YouTube ready MPEG-4 AVI file using mencoder
Rip DVD to YouTube ready AVI file, using MPEG-4 video codec and MP3 audio codec. Resizes to 320x240 and deinterlaces as needed.


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