Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
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.
Datadog's bill has a way of tripling the quarter you actually start using it. Here are eight alternatives we've run in production and what each one costs you.
A pod stuck in CreateContainerConfigError means kubelet can't build the container config, almost always a ConfigMap or Secret reference that doesn't line up.
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.
Egress is the line item nobody sizes upfront and everyone regrets at month-end. Here's the taxonomy, the surprise bills, and what actually cuts it.
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.
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.
A request leaving a laptop somehow lands on a server 20ms away. Here is what actually decides which point of presence answers.
HashiCorp relicensed Terraform and a community fork spun up overnight. Here's how OpenTofu actually differs and which one your team should run.
Prompt injection is not a prompt bug, it is an architecture problem. Here is how we design LLM apps so a poisoned document cannot hijack them.
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.
