下载包并解压

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

tar xf node_exporter-1.5.0.linux-amd64.tar.gz 
mv node_exporter-1.5.0.linux-amd64 node_exporter 

编辑配置

cd /etc/systemd/system
cat node_exporter.service 
[Unit]
Description=node_exporter Monitoring System
Documentation=node_exporter Monitoring System
After=network.target 

[Service]
ExecStart=/opt/node_exporter/node_exporter \  #这里是包所在路径
          --web.listen-address=:9100 \
          
[Install]
WantedBy=multi-user.target

启动

systemctl  enable node_exporter.service && systemctl  start  node_exporter.service

查看端口成功

netstat -lntup|grep 9100
tcp6       0      0 :::9100                 :::*                    LISTEN      592061/node_exporte