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If you are trying to connect outside the PRBB, please follow this tutorial instead: Connecting outside PRBB


The first thing to do is connect to the cluster. Depending what O.S. you are using it will be different.


Install Putty (https://www.chiark.greenend.org.uk/~sgtatham/putty/download.html) Type in the “Host name”: [email protected] type your password and login.

Linux / MacOS:

Open a terminal and type: ssh [email protected]





When you login correctly, the following appears:



If you want to use programs which have a GUI (Graphical User Interface) you will need to do the following:


Install Xming server or any other X-Window server (you will probably need to install a fonts package), run it and when you run putty, go to the left options tree-menu and check: Connection – SSH – X11 – Enable X11 forwarding.

Linux / MacOS:

Open a terminal and type: ssh -X [email protected] (its an upper-case X, lower case x does the oposite).