Commands by BonnieP (0)

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Downsample mp3s to 128K
This will lower the quality of mp3 files, but is necessary to play them on some mobile devices.

Lists all usernames in alphabetical order
Save some CPU, and some PIDs. :)

Output as many input
Output of a command as input to many

Random quote from Borat
I improved a bit on the original by only using sed and extracting the quote with a matching group. Use -nE for sed on Mac OSX Use -nr for sed on Linux. Warning! The quotes from Borat are definitely offensive.

Netcat Relay
This is an example of using 3 hosts, in a netcat relay. first host connects to middle host 1 -> 2 Second hosts redirects to target host 1 -> 2 -> 3 I hope this makes sense.

find directory with most inodes/files
Find which directory in one filesystem that contains most inodes or files.

List just the executable files (or directories) in current directory
A bit shorter ;)

Have an ssh session open forever
Open a ssh session opened forever, great on laptops losing Internet connectivity when switching WIFI spots.

Shows what processes need to be restarted after system upgrade
This command can be installed in debian by the package debian-goodies. It also outputs the /etc/init.d/ commands that you need to do.

Get line number 12 (or n) from a file
Extracts only file number 12 from file. It's meant for text files. Replace 12 with the number you want. First line starts at 1 not 0. We use q on next line so doesn't process any line more.


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