Sujet : node-exporter

• Exporting host metrics with Prometheus node_exporter: collectors, the textfile collector, and firewalling the port

  node_exporter turns kernel and OS-level counters into Prometheus metrics on port 9100, with most collectors enabled by default and a Textfile Collector for feeding in numbers a script computed. Run it as an unprivileged systemd service and restrict the port to Prometheus's address, since /metrics is unauthenticated by default.

  methodology · en · reviewed · connaissances au 2026-09-24

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