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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"

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"

Print a row of 50 hyphens
essentially the ruby one, but perhaps has a larger installed base

grep processes list avoiding the grep itself
Trick to avoid the form: grep process | grep - v grep

pinky - user info
Gives information about user's home directory and real name and shell user is having.

In-Place search/replace with datestamped backup
Does an in situ search-replace but leaves a datestamped backup. A variation with more precision: sed -i.`date +%Y%m%d%H%M%S 's/pattern/replace' [filename]

Display a wave pattern
Purely frivolous - print a sine/cosine curve to the console - the width varies as it progresses. Ctrl-C to halt.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Capitalize first letter of each word in a string
Ruby ftw

Detect illegal access to kernel space, potentially useful for Meltdown detection
Based on capsule8 agent examples, not rigorously tested


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