Install prometheus node exporter

gistfile1.txt

# Download and unpack
curl -LO https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.1.linux-amd64.tar.gz
tar -xvf node_exporter-0.18.1.linux-amd64.tar.gz	
sudo mv node_exporter-0.18.1.linux-amd64/node_exporter /usr/local/bin

# Add user
sudo useradd -rs /bin/false node_exporter

# Configure service
sudo vi /etc/systemd/system/node_exporter.service

### Configuration
[Unit]
Description=Node Exporter
After=network.target
 
[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter
 
[Install]
WantedBy=multi-user.target

# Start exporter	
sudo systemctl daemon-reload
sudo systemctl start node_exporter