This article explains the two ways to access the Discovery HPC cluster at SDSU — via SSH command line using tools such as MobaXterm or PuTTY, and via the Open OnDemand web interface at
https://mydiscovery.sdstate.edu. It covers account username format, domain information for all BOR institutions, step-by-step login instructions for each access method, storage directory locations, and basic troubleshooting tips for login issues.