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4 posts tagged guide. All posts
2026-09-14
A job that fails sends you a stack trace. A job that never starts sends you nothing, and nothing looks exactly like success. How heartbeat checks turn silence into a signal — and how to size the grace window so a slow nightly backup doesn't page you at 3am.
2026-09-07
Certificate expiry is the most preventable outage in the industry and it still takes down major products every year. Why escalating D-30/D-14/D-7/D-1 alerts, chain validation, and domain-expiry checks belong in the same monitor as your uptime probes.
2026-09-06
A 200 with an empty body, a stale cache, or a pretty error page is still an outage. How to layer status, latency, body and header assertions so a check verifies the service works — not just that something answered.
2026-08-18
A walkthrough of the first ten minutes in okokumo — set up an alert channel, create an HTTP check, read what it tells you, then publish a status page if you want one.