Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
Datadog does everything and bills you for all of it. SigNoz covers the core APM story on your own ClickHouse. Here's when the trade is worth it.
Terraform provisions infrastructure and Ansible configures machines, so pitting them against each other is the wrong question to ask.
A bloated build context slows every build, wrecks your cache, and quietly leaks secrets into images. Here's how to keep it lean.
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.
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.
Three Git commands that all "undo" things, and picking the wrong one on a shared branch is how you ruin a teammate's afternoon. Here's how to keep them straight.
Your pods are running, your Service exists, and nothing can reach it. Here's the exact order we check things when a Kubernetes Service goes dark.
Spot cuts compute bills by 60-90%, but AWS can take the machine back in two minutes. Here's how we run real production on it without paging anyone.
The Compose failures that eat an afternoon are almost always the same six. Here's how to spot each one fast and the fix that actually sticks.
A practitioner's comparison of Terraform and CloudFormation on AWS covering state, drift, new-service lag, rollback, and where CDK fits.
A 502 from your ingress means no healthy backend to talk to. A 504 means the backend answered too slowly. Here's how to tell them apart and fix each.
Static keys leak and live forever. Short-lived credentials from STS and Vault expire on their own — here's the token-exchange machinery and the TTL math that make it work.