Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
We upgraded a 60-node EKS cluster from 1.27 to 1.31 over six months. Four minor versions, one bad surprise, zero customer impact. Here's the playbook.
The Argo CD patterns that held up under real traffic: repo layout, sync policies you can trust, secrets that stay out of git, and the anti-patterns we stopped repeating.
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.
A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.
Copilots suggest, agents act. Here's the spectrum between them, where each earns its keep in DevOps, and how to add autonomy without lighting your infra on fire.
We changed a system prompt for what we thought was a tone improvement and broke a customer-critical extraction overnight. The version control and regression tests we built next.
A DR runbook nobody reads is worse than no runbook. The shape that finally got ours executed correctly under pressure.
We replaced 47 percentile threshold alerts with 3 SLO burn-rate alerts. The on-call rotation gets paged less and catches more.
We mapped every byte that ends up in our production containers. The map showed three places trust was implicit. Each became a control.
