Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
AWS gives you four ways to pay for compute and three of them cut the bill. Here is how to pick, and how to stack them without painting yourself into a corner.
A field guide to the OSS observability stack in 2026, sorted by pillar, with honest notes on where self-hosting pays off and where the ops burden bites.
How pods can talk to AWS, GCP, and Azure with no static keys — using audience-bound projected ServiceAccount tokens and the cluster OIDC issuer.
Exit 137 usually means the kernel shot your container for eating too much memory. Here's how to confirm the OOM kill and stop it happening again.
Evicted pods are the kubelet telling you a node ran out of something. Here's how to read the signal, stop the bleeding, and keep it from happening again.
A pod sits Pending and the scheduler quietly logs why it rejected every node. Learn to read that one line and fix the real cause instead of guessing.
Your push bounces because the remote moved on without you. Here is how to catch up cleanly, when to rebase versus merge, and when a force-push is actually safe.
Edge functions run everywhere and remember nothing. Durable Objects give you one addressable, single-threaded instance with transactional storage — the missing source of truth.
We ran the same test suite on both platforms for a year. Here's where CircleCI earns its price, where GitHub Actions wins on simplicity, and what the bill actually looks like.
The metrics stack you self-host is free software plus a real ops bill. Datadog hands you everything and mails you the invoice. Here's how we pick.
You run the container, check docker ps, and it's already gone. Nine times out of ten it's PID 1 doing its job. Here's how to read it.
You run docker run, and it refuses to bind port 8080. Something already owns that port. Here is how to find the holder and get your container up.
