Text-based user interfaces serve up valuable information about your GPUs and CPUs with a minimal effect on your operations.

Warewulf installed with a compute node is not really an HPC cluster; you need to ensure precise time keeping and add a resource manager.

One way to share HPC systems among several users is to use a software tool called a resource manager. Slurm, probably the most common job scheduler in use today, is open source, scalable, and easy to install and customize.