Linux Mint 19 Test If Port Is Open

Linux Mint 19.x Tara/Tessa/Tina/Tricia Test if Port is Open

Hi! This Tip shows you How to List Open Ports in GNU/Linux Mint 19.x Tara/Tessa/Tina/Tricia LTS.

And the Linux Mint 19.x Tara/Tessa/Tina/Tricia Check if Port is Open is achieved by the Nmap Network Tool.

Finally, Nmap (Network Mapper) is a Security Scanner, originally written by Gordon Lyon (also known by his pseudonym Fyodor Vaskovich), used to discover hosts and services on a computer network, thus building a “Map” of the network.

1. 1. Opening Shell Session

   Open a Shell Terminal emulator window
   (Press “Enter” to Execute Commands)

   

   In case first see: Terminal QuickStart Guide.

2. 2. Installing Nmap

   Then Install Nmap Tool with:

   sudo apt install nmap

3. 3. Listing Open Ports

   Finally, to List All Open Ports.

   sudo nmap -sT -O localhost

   And in the Output you should find a detailed List of the Open Ports: