Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
When RAG answers go sideways, the model usually isn't the problem. Here's the top-to-bottom checklist we run to find where retrieval actually breaks.
A team was burning 40,000 CI minutes a month and could not say why. Here is how GitHub Actions billing actually works and where the money leaks.
New Relic's pricing swings and feature gaps push teams to shop around. Here's a field-tested look at seven alternatives, who each one fits, and how to move.
Grafana pulls metrics from anywhere, Kibana lives and dies with Elasticsearch. Here's how we pick between them without ending up running both by accident.
One bundles your whole toolchain, the other lets you build anything from parts. The right pick depends on how much glue you want to own.
A million-token window doesn't retire your retrieval stack. Here's when to stuff the prompt, when to retrieve, and when to do both.
Git refuses to switch branches or pull because uncommitted edits are in the way. Here's how to move them safely, and when it's fine to throw them out.
Git says it can't find a repo where you're standing. Nine times out of ten it's the wrong directory, a missing .git, or an ownership check.
Terraform's declarative HCL and Pulumi's real programming languages solve the same problem in very different ways, and the right pick depends on your team.
Your Datadog bill didn't spike because you monitored more. It spiked because containers, custom metrics, and log volume all bill on axes you never think about.
The container starts, then dies with "exec format error." Here's why the CPU architecture is wrong, how to confirm it, and how to build images that just run.
A field guide to the FinOps tooling that actually earns its keep in 2026, from native dashboards to CloudZero and Cast AI, sorted by what you spend.
