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Get your external IP address without curl
Curl is not installed by default on many common distros anymore. wget always is :) $ wget -qO- ifconfig.me/ip

backup your entire hosted website using cPanel backup interface and wget
this will connect to your hosted website service through the cPanel interface and use its backup tool to backup and download the entire website, locally. (do not forget to replace : YourUsername , YourPassword and YourWebsiteUrl for it to work )

See KeepAlive counters on tcp connections
See connection's tcp timers

Generat a Random MAC address

Get MD5 checksum from a pipe stream and do not alter it

display a smiling smiley if the command succeeded and a sad smiley if the command failed
you could save the code between if and fi to a shell script named smiley.sh with the first argument as and then do a smiley.sh to see if the command succeeded. a bit needless but who cares ;)

Run bash on top of a vi session (saved or not saved), run multiple commands, instead of one at a time with :!(bashcommand), type exit and [enter] to get back to where you left off in vi.
Helps when I'm editing a script and want to double check some commands without having to exit out of vi multiple times or having to use another terminal session.

The program listening on port 8080 through IPv6

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

echo unicode characters


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