To log into the cluster, you need to use a an SSH client and connect to hpc.usd.edu.
Unless you have arranged otherwise, your username and password are your regular USD username and password.
Note: Usernames are case sensitive — if your username is Jon.Smith, logging in a jon.smith will not work.
Some applications (like MATLAB and GaussView) have graphical interfaces that require an X display. To run these applications, you need to have a program called an X server running on your computer (Mac and Linux have this by default) and enable X11 Forwarding in your SSH client.
Install an X server, such as Xming. This only needs to be done once. Then:
Mac and Linux
Pass the -X option to the ssh command, for example
ssh -X firstname.lastname@example.org