#rocky

2 posts tagged rocky.

HPC Lab · June 12, 2026 · 12 min

Warewulf 4 and the art of treating servers as cattle

A stateless node has no OS on its disk. It PXE-boots one golden image into RAM. This is how big clusters stay sane. Getting there on a brand-new EL10 stack took a pile of debugging I didn't expect. Here's all of it.

HPC Lab · June 11, 2026 · 6 min

OpenHPC, Munge, and Slurm: wiring the cluster's brain

A cluster runs on trust: every daemon has to prove who it is, and they all have to agree on the time. This part installs the curated software stack and the shared-secret auth that lets a pile of VMs become one cluster.