OpenSSH-server is used to login remotely to your server thru a secure connection. For a server, this means that we will no longer be needing a monitor and keyboard.
For an advanced or even moderate user they would have used SSH as soon as the installation had finished. For our case, it is assumed...
This guide will give you a good head start with the basics of setting up your server. What it can and could do, is all up to you. Whether you prefer a network/media server, a fully operational web server or a combination of both, it is all possible...