prometheus监控接入：

1）创建prometheus账号 groupadd -g 1030 prometheus useradd prometheus -g 1030 -u 1030 -s /sbin/nologin -m

2)下载安装包 wget https://github.com/prometheus/node_exporter/releases/download/v1.5.0/node_exporter-1.5.0.linux-amd64.tar.gz

3)创建目录 mkdir -p /opt/tools

4)解压 tar -zxf node_exporter-1.5.0.linux-amd64.tar.gz -C /opt/tools mv node_exporter-1.5.0.linux-amd64 node_exporter chown -R prometheus.prometheus /opt/tools/node_exporter

5)做成service vim /usr/lib/systemd/system/node_exporter.service [Unit] Description=node_exporter After=network.target

[Service] User=prometheus Group=prometheus ExecStart=/opt/tools/node_exporter/node_exporter --web.listen-address=:9100 --collector.systemd --collector.processes ExecReload=/bin/kill -HUP $MAINPID KillMode=process Restart=on-failure

[Install] WantedBy=multi-user.target

6)启动 systemctl daemon-reload systemctl enable --now node_exporter