Install nmap if you don't already have it on your Linux computer. Run "sudo apt-get install nmap" on Ubuntu, or "sudo dnf ...
Another good nmap flag for beginners is –v which gives additional, verbose, output. With this set nmap will provide extra text explaining its actions and results. Flags can be combined to perform more ...
There are certain Linux commands I consider essential. These commands range from networking, troubleshooting, and file viewing. They're also easy enough for new users to learn. Get more in-depth ZDNET ...