📶Installing & configuring SSH

SSH: The acronym SSH stands for "Secure Shell." The SSH protocol was designed as a secure alternative to unsecured remote shell protocols. It utilizes a client-server paradigm, in which clients and servers communicate via a secure channel.

1. Update the system: First, we should update the system using:

sudo apt update

1. Install OpenSSH server: Next, we will install the main tool for remote access with the SSH protocol, using OpenSSH. The installation requires the following package:

sudo apt install openssh-server

When asked for confirmation, type y and press Enter. The installation will then proceed.

1. Verify installation: To confirm that the installation has completed successfully, we can check the SSH service status:

sudo service ssh status

This command will show the current state of the SSH service. You should see Active (running) to confirm it's working properly.