These instructions have been tested on CentOS 7, and Ubuntu 18.04
It is assumed that you will be familiar with using the command-line in order to use SSH. Once connected you will be able to access to specialist network labs in Anglesea Building in the same way as though you were on campus. Ensure that you enter the commands precisely.
Open a terminal and enter ssh -X firstname.lastname@example.org
It will prompt for your password
You will then be able to perform another SSH connection onto one of the machines in the specialist network labs in the same way, substituting ‘lion’ with the machine name.
For further information:https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s2-openssh-using-ssh.html