Signing in to the server
To run commands on the server you will need to log in using a terminal and the ssh program. To log in you must have the your username, your password and the host i.p. address. The command is run using the following syntax:
If you substitute in the username and password you should be promted for a password. When you type password they never show on the screen, it's an very old school security technique to stop anyone from looking over your shoulder and getting your password.
After you type in your password and hit enter, it should log you into the server. Now you should be able to access the files and programs you have stored there.
Have a look at the next tutorial to find out how to transfer files.