Commands by eitland (1)

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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"

Leap year calculation

Find common lines between two files

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

automount samba shares as devices in /mnt/
the middle command between the ; and ; is the vi commands that insert that line into the last line of the file, the esc with the carets is literally hitting the escape key, you have to have the smbfs package installed to do it, I use it to access my iTunes music on my mac from my linux PC's with amarok so I can play the music anywhere in the house. among other things, it allows you to access the files on that share from your computer anytime you're on that network.

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

SSH Copy ed25519 key into your host

Matrix Style
Solves "tr" issues with non C-locales under BSD-like systems (like OS X)

Diff files on two remote hosts.

Access to specific man page section
You can view the man pages from section five by passing the section number as an argument to the man command


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