Setup Prometheus node_exporter on linux
Setup prometheus node_exporter as a linux service.
sudo groupadd -f node_exporter
sudo useradd -g node_exporter --no-create-home --shell /bin/false node_exporter
wget https://github.com/prometheus/node_exporter/releases/download/v1.7.0/node_exporter-1.7.0.linux-amd64.tar.gz
tar xvfz node_exporter-*.*-amd64.tar.gz
pushd node_exporter-*.*-amd64
sudo cp ./node_exporter /usr/bin/node_exporter
sudo chown node_exporter:node_exporter /usr/bin/node_exporter
popd
rm -rf ~/node_exporter-1.7.0.linux-amd64
rm -f ~/node_exporter-1.7.0.linux-amd64.tar.gz
sudo tee /usr/lib/systemd/system/node_exporter.service <<EOF
[Unit]
Description=Node Exporter
Documentation=https://prometheus.io/docs/guides/node-exporter/
Wants=network-online.target
After=network-online.target
[Service]
User=node_exporter
Group=node_exporter
Type=simple
Restart=on-failure
ExecStart=/usr/bin/node_exporter \\
--web.listen-address=:9200
[Install]
WantedBy=multi-user.target
EOF
sudo chmod 664 /usr/lib/systemd/system/node_exporter.service
sudo systemctl daemon-reload
sudo systemctl start node_exporter
sudo systemctl status node_exporter
sudo systemctl enable node_exporter
# It should not be in the public zone!
# Setup wireguard and private network between your hosts.
sudo firewall-cmd --permanent --zone=trusted --add-port=9200/tcp
sudo firewall-cmd --reload
Test
curl localhost:9200/metrics