cd /root/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-1.7.0.linux-amd64.tar.gz 

#运行
cd /root/node_exporter/node_exporter-1.7.0.linux-amd64
./node_exporter

#开机启动
cd /etc/systemd/system/
nano node_exporter.service
===========================================
[Unit]
Description=node_exporter
Documentation=node_exporter Monitoring System
After=network.target

[Service]
ExecStart=/root/node_exporter/node_exporter-1.7.0.linux-amd64/node_exporter
–web.listen-address=:9100\

[Install]
WantedBy=multi-user.target
===========================================

systemctl daemon-reload
systemctl enable node_exporter # 设置开机自启动
systemctl start node_exporter # 启动服务

浏览器访问：http://192.168.31.135:9100/