How to install node exporter in linux

• Install Binary

wget https://github.com/prometheus/node_exporter/releases/download/v1.8.2/node_exporter-1.8.2.linux-amd64.tar.gz

• Unzip

tar -xvf node_exporter-1.8.2.linux-amd64.tar.gz

• Copy to bin

sudo cp node_exporter-1.8.2.linux-amd64/node_exporter /usr/local/bin

• Add user

sudo useradd node_exporter --no-create-home --shell /bin/false

• Set permission

sudo chown node_exporter:node_exporter /usr/local/bin/node_exporter

• Create service file

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

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

• Start service

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