Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
A practical Linux hardening checklist for production hosts. The settings that earn their place via real production reasons, not the cargo-cult version.
A real story of removing console-only changes, adding drift detection, and getting Terraform back in charge.
Concrete systemd unit patterns that reduced flakiness: restart policies, resource limits, and structured logs.
How a small team moved from single-region risk to a simple active/passive multi-region setup without doubling complexity.
A condensed checklist of the systemd unit-file patterns we now use everywhere, with the production reasons each one matters.
A systematic approach to debugging Linux network issues. The tools that earn their place and the order I use them in.
Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.
A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.
A practical Linux performance tuning playbook for production servers. The kernel parameters, disk and network tweaks that earn their place, and the ones that turned out to be folklore.
A practical guide to writing and managing systemd services for production. The unit file features that earn their place, plus the operational workflows.
