Enable SSH on Ubuntu 20.04 step-by-step instruction and connect by Putty

Secure Shell (SSH) is a network protocol used for a secure connection between a client and a server. Each interaction between the server and a client is encrypted.

This tutorial explains how to enable SSH on an Ubuntu machine.

Enabling SSH will allow you to connect to your system remotely and perform administrative tasks. You’ll also be able to securely transfer files via scp and sftp .

Open the terminal with Ctrl+Alt+T and we need to update the ubuntu 20.04 OS:
#sudo apt-get update

After that, installing openssh-server
#sudo apt-get install openssh-serve

Check the version and activation:
#service sshd status
#ssh -V

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