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Simulate typing but with mistakes
The output will show jerk, then wonderful person since echo parses the \b character.

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"

convert filenames in current directory to lowercase

Monitor ElasticSearch cluster health - Useful for keeping an eye on ES when rebalancing takes place

Make vim open in tabs by default (save to .profile)
I always add this to my .profile rc so I can do things like: "vim *.c" and the files are opened in tabs.

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

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"

Ripping VCD in Linux
Ripping VCD in Linux

Find the package that installed a command

Ride another SSH agent
Must be done as root - will cause subsequent ssh connections to use the identities available via the [user]'s agent socket.


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