GNU+Linux, FreeBSD and OpenBSD is configured to use the SSH protocol, over port 22 by default. The user name is 'root' and password can be found in the server instance list. SSH Key authentication can be configured by adding your public keys in the ssh key manager. SSH command example ssh [-i ssh_private_key_file] root@server_address Windows is configured to use Remote Desktop over port 3389 by default. Use name is 'Administrator'.