Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
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 search-friendly guide to RAG retrieval quality evaluation, based on the moment one production assistant started citing stale documents and the team had to prove what 'good retrieval' meant.
This infrastructure documentation as code guide shows how a platform team moved runbooks, ownership maps, and architecture decisions into versioned workflows that people actually trusted.
A production-tested Linux patch management workflow for teams that need security fixes without turning every maintenance window into a gamble.
A hands-on guide to AWS cost allocation tags for shared environments, built from a real platform-team problem: everyone used the cluster, but nobody trusted the bill.
A practical GitHub Actions monorepo CI guide built around a real scaling problem: long queues, noisy failures, and developers waiting 40 minutes for feedback.
A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.
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.
Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.
Write Ansible playbooks that are idempotent, readable, and maintainable for config management.
