Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
A field report from rolling out retrieval-augmented generation in production, including cache bugs, bad embeddings, and how we fixed them.
Our CI was 73% green at the worst point. People trusted it less than coin flips. Six things we did to get to 96%, in rough order of impact.
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.
Our base image went from 1.2 GB and 200+ CVEs to 80 MB and 4 CVEs. Most of the work wasn't clever — it was deletion.
Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.
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.
