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Display condensed log in a tree-like format.
Display condensed log in a tree-like format.

Remove old kernel packages

get a random 0/1, use it for on/off, yes/no
use it to add a random boolean switch to your script

Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Using column to format a directory listing
Using column to format a directory listing

See system users

Install pip with Proxy
Installs pip packages defining a proxy

Watch how fast the files in a drive are being deleted
This can be useful when a large remove operation is taking place.

List bash functions defined in .bash_profile or .bashrc
typeset command gives to stdout all the functions defined in a bash session, -f and -F switches are for: all functions names with body (-f) and all functions names only (-F).

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"


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