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list block devices
Shows all block devices in a tree with descruptions of what they are.

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"

Get a docker container's run command line
A good way to build a new container when you don't remember how you did it the first time

"Clone" a list of installed packages from one Debian/Ubuntu Server to another

Turns red the stderr output
Reference: http://stackoverflow.com/a/4455706

Convert a date to timestamp
Simple way to get a timestamp from a date

Create a quick back-up copy of a file
Uses shell expansion to create a back-up called file.txt.bak

Run a command for a given time
or "Execute a command with a timeout" Run a command in background, sleep 10 seconds, kill it. $! is the process id of the most recently executed background command. You can test it with: find /& sleep10; kill $!

Creates Solaris alternate boot environment on another zpool.
PS: 'lustatus' gives the list of all alternate boot environments.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously


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