Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
Concrete systemd unit patterns that reduced flakiness: restart policies, resource limits, and structured logs.
A container is a process with extra kernel features applied. Walking through namespaces, cgroups, and the actual mechanics — the level of detail that makes "container weirdness" debuggable.
We have a few hundred shell scripts in production. The patterns that make them survive contact with reality, and the ones we've stopped writing.
Filesystem choice, mount options, IO schedulers — the per-host tweaks that actually moved disk performance for our database and storage workloads.
How processes actually live and die on Linux, the tools that show what's happening, and the patterns we use for monitoring service health.