Most monitoring setups have the data. What they are missing is a way to see all of it at once.
What this dashboard does:
→ Groups every monitored host by subnet → Shows status, CPU, memory, and disk — one row per device → Uses threshold colouring — plain for healthy, yellow/red for problems → Links each hostname to Node Exporter Full for per-host detail → Powered entirely by Prometheus and Node Exporter — no extra agents
The design principle:
A healthy environment should look quiet. Colour only appears when something needs attention. If every cell is lit up, nothing stands out.
The two-screen workflow:
Overview — scan it, identify which host needs attention
Node Exporter Full — click the hostname, find the cause
grafana #prometheus #linux #observability #nodexporter #dashboard #sysadmin
[Read the full article] → https://richard-sebos.github.io/sebostechnology/posts/Grafana-Network-Overview/
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