部署 Node Exporter

1. 下载并解压 Node Exporter 至安装目录

   wget https://pdpublic.mingdao.com/private-deployment/offline/common/node_exporter-1.3.1.linux-amd64.tar.gz
   tar xvf node_exporter-1.3.1.linux-amd64.tar.gz
   mv node_exporter-1.3.1.linux-amd64 /usr/local/node_exporter

2. 创建 Systemd 服务文件

   cat > /etc/systemd/system/node_exporter.service <<'EOF'
   [Unit]
   Description=Node Exporter
   Documentation=https://prometheus.io/docs/guides/node-exporter/
   After=network.target
   
   [Service]
   User=root
   Group=root
   Type=simple
   ExecStart=/usr/local/node_exporter/node_exporter --web.listen-address=:59100
   Restart=always
   RestartSec=3
   SyslogIdentifier=node_exporter
   
   [Install]
   WantedBy=multi-user.target
   EOF

3. 启动服务

   systemctl daemon-reload
   systemctl start node_exporter
   systemctl enable node_exporter

4. 检查服务状态

   systemctl status node_exporter