Change a Linux process’s root directory with chroot, and combining everything into a minimal container.
Limit a Linux process with cgroups v2 using systemd-run, read the kernel files behind CPU and memory limits, and watch the kernel throttle and kill a process that goes over.
Explore Linux PID and UTS namespaces with unshare, compare process IDs inside and outside, and inspect process trees with practical commands.
A simple overview of Kubernetes components, from etcd and the API server to kubelet, Pods and networking, with diagrams.
Publish a Raspberry Pi web server through Cloudflare Tunnel using rootless Podman, Nginx, Quadlet and a custom domain.
Set up a Raspberry Pi web server with rootless Podman, Nginx and Quadlet, then use systemd to keep it running after reboots.
Build Orion, a three-node Raspberry Pi home lab, from hardware assembly and Raspberry Pi OS setup to hostname and network checks.
Why I built a Raspberry Pi home lab to learn infrastructure, try new setups and run experiments with control over my own machines.
Why I started BioDevOps to write about bioinformatics, scientific software and the infrastructure needed to make research tools easier to run.
