Learn how to build a reliable Grafana and Prometheus telemetry dashboard on a Raspberry Pi, addressing common issues like thermal throttling and service failures. Ensure your low-power hardware stays
TL;DR: The failure mode nobody warns you about with Raspberry Pi clusters: the service dies, you SSH in twenty minutes later, and dmesg shows the CPU was thermally throttling for two hours before the crash. No alert fired.
What's in this article
The Problem: Flying Blind on Low-Power Hardware
Architecture Before You Install Anything
Installation: Docker Compose Stack with Real Config Files
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