https://www.pistack.xyz/tags/apptainer/ Recent content in Apptainer on Pi Stack Hugo en-us Mon, 01 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-01-self-hosted-hpc-container-runtimes-apptainer-charliecloud-podman-hpc-guide/ Mon, 01 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-01-self-hosted-hpc-container-runtimes-apptainer-charliecloud-podman-hpc-guide/ <h2 id="why-self-host-hpc-container-runtimes">Why Self-Host HPC Container Runtimes?</h2> <p>High-Performance Computing (HPC) centers face a unique containerization challenge: traditional container runtimes like Docker assume root privileges, daemon-based architectures, and layered filesystem overlays that conflict with shared, multi-tenant HPC clusters. HPC-specific container runtimes solve these problems by supporting unprivileged execution, parallel filesystem compatibility, and MPI integration out of the box.</p>