1. [root@bogon opt]# tar xvf node_exporter-1.1.2.linux-amd64.tar.gz 
    2. [root@bogon opt]# ln -s node_exporter-1.1.2.linux-amd64 node_exporter

    编写node_exporter服务脚本

    cat > /usr/lib/systemd/system/node_exporter.service <<EOF
[Unit]
Description=node_exporter
Documentation=
After=network.target

[Service]
Type=simple
WorkingDirectory=/opt/node_exporter
ExecStart=/opt/node_exporter/node_exporter
ExecStop=/bin/kill -KILL \$MAINPID
ExecReload=/bin/kill -HUP \$MAINPID
KillMode=control-group
Restart=on-failure
RestartSec=3s

[Install]
WantedBy=multi-user.target
EOF

    启动

    [root@bogon opt]# systemctl enable node_exporter
Created symlink from /etc/systemd/system/multi-user.target.wants/node_exporter.service to /usr/lib/systemd/system/node_exporter.service.
[root@bogon opt]# systemctl start node_exporter 
[root@bogon opt]# systemctl status node_exporter

    浏览器访问http://192.168.0.15:9100/metrics，相关指标都已经有了。