Prometheus+Grafana+node_exporter 监控 Linux 服务器

node_exporter 下载地址

https://github.com/prometheus/node_exporter/releases

后台启动

nohup /root/exporter/node_exporter-1.3.1/node_exporter > node_exporter.out 2>&1 &

设置开机启动

编辑

vim /etc/systemd/system/node_exporter.service

内容：ExecStart需要修改为node_exporter二进制文件的绝对路径

[Unit]
Description=node_exporter
Documentation=https://github.com/prometheus/node_exporter
After=network.target

[Service]
Type=simple
User=root
ExecStart= /root/exporter/node_exporter-1.3.1/node_exporter
Restart=on-failure

[Install]
WantedBy=multi-user.target

设为开机启动

sudo systemctl enable node_exporter.service

启动node_exporter

sudo systemctl start node_exporter.service

node_exporter 默认端口

http://localhost:9100

修改 Prometheus 配置

scrape_configs下新增job_name为linux（名称随意）

  - job_name: 'linux'
    static_configs:
      - targets: ['192.168.0.100:9100']

完整的scrape_configs如下

scrape_configs:
  - job_name: "prometheus"
    static_configs:
      - targets: ["localhost:9090"]
  - job_name: 'linux'
    static_configs:
      - targets: ['192.168.0.100:9100']

重启 Prometheus

重启后可查看node_exporter是否上线。

http://localhost:9090/targets

Grafana Dashboard

Node Exporter Full - dashboard id 1860: https://grafana.com/grafana/dashboards/1860

Node Exporter for Prometheus Dashboard 中文版 - dashboard id 8919: https://grafana.com/grafana/dashboards/8919

Node Exporter for Prometheus Dashboard 英文版 - dashboard id 11074: https://grafana.com/grafana/dashboards/11074

开源地址

https://github.com/prometheus/node_exporter