下载镜像包：

docker pull prom/node-exporter
docker pull prom/prometheus
docker pull grafana/grafana

启动node-exporter:

docker run -d -p 9100:9100 \
  -v "/proc:/host/proc:ro" \
  -v "/sys:/host/sys:ro" \
  -v "/:/rootfs:ro" \
  prom/node-exporter

访问URL:

http://127.0.0.1:9100/metrics

启动prometheus:

新建目录 prometheus，编辑配置文件prometheus.yml

mkdir /opt/prometheus
cd /opt/prometheus/
vim prometheus.yml

内容如下:

global:
  scrape_interval:     60s
  evaluation_interval: 60s
 
scrape_configs:
  - job_name: prometheus
    static_configs:
      - targets: ['localhost:9090']
        labels:
          instance: prometheus
 
  - job_name: linux
    static_configs:
      - targets: ['127.0.0.1:9100']
        labels:
          instance: localhost

启动prometheus:

docker run  -d \
  -p 9090:9090 \
  -v /opt/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml  \
  prom/prometheus

访问url :

127.0.0.1:9090/graph