Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
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.
A request leaving a laptop somehow lands on a server 20ms away. Here is what actually decides which point of presence answers.
A shared API key between two internal services proves nothing about who is calling. mTLS makes every service present a cryptographic identity instead.
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.
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.
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.
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.
Edge functions run everywhere and remember nothing. Durable Objects give you one addressable, single-threaded instance with transactional storage — the missing source of truth.
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.
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.
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.
One vendor sends the invoice, the other sends the ops work. Here's how we pick between Datadog and the Grafana stack without regretting it later.
