Commands by killermike (1)

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output your microphone to a remote computer's speaker
This will output the sound from your microphone port to the ssh target computer's speaker port. The sound quality is very bad, so you will hear a lot of hissing.

Download all MegaTokyo strips
A simple script for download all the MegaTokyo strips from the first to the last one

Execute a command with a timeout
In this example the command "somecommand" will be executed and sent a SIGALARM signal if it runs for more than 10 seconds. It uses the perl alarm function. It's not 100% accurate on timing, but close enough. I found this really useful when executing scripts and commands that I knew might hang E.g. ones that connect to services that might not be running. Importantly this can be used within a sequential script. The command will not release control until either the command completes or the timeout is hit.

Copy one file to multiple files
Copies file.org to file.copy1 ... file.copyn

Check if you work on a virtual/physical machine in Linux
Command used to know if we are working on a virtual or physical machine. This command will use the dmidecode utility to retrieve hardware information of your computer via the BIOS. Run this command as root or with sudo.

Count Files in a Directory with Wildcards.
If the dir | wc -l Command not working.

check open ports without netstat or lsof

Watch the progress of 'dd'
Pressing ctrl-t will display the progress

sort list of email addresses by domain.tld
email random list can be created here: https://www.randomlists.com/email-addresses

resize all JPG images in folder and create new images (w/o overwriting)
Convert all jpegs in the current directory into ~1024*768 pixels and ~ 150 KBytes jpegs


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