#wget https://github.com/prometheus/node_exporter/releases/download/v1.5.0/node_exporter-1.5.0.linux-amd64.tar.gz

#tar xvfz node_exporter-*.tar.gz

#sudo mv node_exporter-1.5.0.linux-amd64/node_exporter /usr/local/bin

#sudo useradd -rs /bin/false node_exporter

#sudo vi /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
Type=simple
Restart=on-failure
RestartSec=5s
ExecStart=/usr/local/bin/node_exporter

[Install]
WantedBy=multi-user.target

sudo systemctl enable node_exporter

#sudo systemctl daemon-reload
#sudo systemctl start node_exporter
#sudo systemctl status node_exporter