Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
#!/bin/sh echo 'enter a number:' read number calc = 'expr $number % 2' if [ $calc -eq 0 ] then echo even else echo negative fi
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
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