The pdsh  parallel shell tool lets you run a command across multiple nodes in a cluster.

The Linux kernel has several I/O schedulers that can greatly influence performance. We take a quick look at I/O scheduler concepts and the options that exist within Linux.

What do you do with all of the HPC data you harvested as a lumberjack? You think like a Vegan.

If you compile software on an expensive supercomputer, it’s a good idea to select the languages and compilers with particular care. We report on tried-and-proved tools used on SuperMUC, a supercomputer at the Leibniz Supercomputing Center in Germany.

We look at  some additional tools that you might find useful when troubleshooting HPC systems .

Several very sophisticated tools can be used to manage HPC systems, but it’s the little things that make them hum. Here are a few favorites.