Prometheus Node Exporter setup

setup.md

useradd --no-create-home --shell /bin/false node_exporter
wget https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.1.linux-amd64.tar.gz
tar xvfz node_exporter-0.18.1.linux-amd64.tar.gz
mv node_exporter-0.18.1.linux-amd64/node_exporter /usr/local/bin/
rm -rf ./node_exporter-0.18.1.linux-amd64*

vim /etc/systemd/system/node_exporter.service

[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target

[Service]
User=node_exporter
Group=node_exporter
ExecStart=/usr/local/bin/node_exporter

[Install]
WantedBy=default.target

systemctl daemon-reload
systemctl start node_exporter
systemctl status node_exporter
systemctl enable node_exporter

curl 'localhost:9100/metrics'