Installing Telnet in Ubuntu 20.04

The guide below describes how to install Telnet on Ubuntu 20.04. We will do everything in a few simple steps.

We start our terminal and issue a command:

Installation complete 🙂

To check whether the port is open or whether the connection to a given port is correct, we issue a command:

So let's start the command telenet iplubnazwastrony dany port

As you can see in this case we are connected to the port page 25 where the Exim mail server is placed.