node_exporter 配置

Prometheus监控服务器

下载地址：

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

wget https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.0.linux-amd64.tar.gz

tar xvf node_exporter-0.18.0.linux-amd64.tar.gz
mv node_exporter-0.18.0.linux-amd64 /usr/local/bin/node_exporter

创建用户

groupadd prometheus
useradd -g prometheus -m -d /var/lib/prometheus -s /sbin/nologin prometheus
chown prometheus.prometheus -R /usr/local/prometheus

创建Systemd服务

cat > /etc/systemd/system/node_exporter.service << EOF
[Unit]
Description=node_exporter
Documentation=https://prometheus.io/
After=network.target
[Service]
Type=simple
User=prometheus
ExecStart=/usr/local/bin/node_exporter
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF

启动

systemctl enable node_exporter
systemctl start node_exporter

查看运行状态

systemctl status node_exporter
● node_exporter.service - node_exporter
   Loaded: loaded (/etc/systemd/system/node_exporter.service; disabled; vendor preset: disabled)
   Active: active (running) since 三 2019-06-05 09:18:56 GMT; 3s ago
 Main PID: 11050 (node_exporter)
   CGroup: /system.slice/node_exporter.service
           └─11050 /usr/local/prometheus/node_exporter/node_exporter

Node Exporter默认的抓取地址为: http://IP:9100/metrics