Grafana Uptime: Build a Panel That Tells the Truth
A Grafana uptime panel usually measures scrape success, not what users experienced. Here are the queries, and how to put an outside-in series beside them.
Knowledge hub
Cross-region confirmation, timing waterfalls, and the craft of quiet monitoring.
Go Health Check: Handler, Context and Drain Window
A go health check is code you write yourself, so the deadline, the dependency list and the drain window are yours to get right. Here is the working shape.
Free Uptime Monitoring: How to Spend the Allowance
Free uptime monitoring is an allowance of checks per hour, regions and retention. Here is how the September 2026 free tiers really compare, and what they cut.
FastAPI Health Check: Async Routes That Tell the Truth
A FastAPI health check that blocks the event loop hurts more than it helps. Here are two async routes, concurrent dependency probes and a quiet access log.
Elasticsearch Health Check: Green, Yellow, Red
An elasticsearch health check returns green, yellow or red, and yellow is where the false alarms live. Here is what to check and what to assert.
Docker Monitoring Tools: Sorted by What They Read
Docker monitoring tools split by data source: engine state, cgroup counters, the log driver, and the one check that runs outside the host.