Your best & easiest route would be to upload it with a free ftp client like Filezilla using sftp on port 22. When you open Filezilla it will ask you for the server address "which is the ip of your server", the port number which in this case will be 22, the protocol which is SFTP, and the user name which is root by default. Lastly select the option to prompt for password and when you click the connect button it will ask you for the password which was emailed to you when you setup the server.