Using X-windows (X11) and secure shell (SSH) to connect to a remote UNIX server (host)
X-windows (X11) and SSH software let you run certain types of software on a remote UNIX server
(host) while displaying and controlling the software's graphical user interface (GUI) on your
local desktop system.
In a cluster computing environment, X11 and SSH are typically used to connect to the cluster's
head node as illustrated below.
Follow the instructions for your operating system on your computer: