node-exporter

Identity

• Unit: prometheus-node-exporter.service (Debian/Ubuntu), node_exporter.service (RHEL/Fedora, manual install)
• Binary: /usr/bin/prometheus-node-exporter (package) or /usr/local/bin/node_exporter (manual)
• Config: No config file — all configuration is via command-line flags in the systemd unit
• Flags location: /etc/default/prometheus-node-exporter (Debian/Ubuntu) or ExecStart= in the unit override
• Metrics endpoint: http://localhost:9100/metrics
• Distro install: apt install prometheus-node-exporter / dnf install golang-github-prometheus-node-exporter

Key Operations