Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
A practical embedding model upgrade guide for RAG systems, built from a real support-search migration that initially reduced answer quality instead of improving it.
A real-world multi-cluster traffic routing guide for SaaS teams that have outgrown a single Kubernetes cluster and need safer rollout control without a service-mesh science project.
A practical systemd reliability guide for Linux services, built around repeated restart-loop incidents and the unit-file patterns that finally made those services boring.
A practical disaster recovery runbook guide for small cloud teams that need realistic failover steps, clear ownership, and repeatable rehearsals instead of shelfware documents.
A real story of removing console-only changes, adding drift detection, and getting Terraform back in charge.
How a small team moved from single-region risk to a simple active/passive multi-region setup without doubling complexity.
A practical risk-management framework for release timing, Friday deployment policies, progressive delivery, and how elite teams protect reliability and people.
A practical way to define SLOs and error budgets, connect them to release decisions, and avoid reliability debates without data.
