Nmap is an essential tool for anyone who's serious about network security. It can be installed on any Linux distribution.

While free VPNs exist, paid services generally offer better speeds, more server choices, and stronger privacy policies.

You may have seen the VPN on your phone turning on by itself even if you had thought you had turned it off. It usually occurs ...

Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf ...