Install OpenSSH Server on Ubuntu

Firstly you need to log in to Ubuntu.

Execute Command:

sudo apt-get install openssh-server

Enter password:

OpenSSH Server being installed...

OpenSSH Server has been installed:

You need to restart the SSH service, use the following command:

sudo service ssh restart

SSH Service has been restarted:

Now everything is ready you can use tools such as PuTTY to connect SSH Server.