环境
CentOS 7.9
安装
1、命令下载
wget https://github.com/prometheus/node_exporter/releases/download/v1.6.1/node_exporter-1.6.1.linux-amd64.tar.gz
tar -zxf node_exporter-1.6.1.linux-amd64.tar.gz
mv node_exporter-1.6.1.linux-amd64 /home/node_exporter
2、配置系统服务
cat >/etc/systemd/system/node_exporter.service<<EOF [Unit] Description=Node Exporter After=network.target [Service] ExecStart=/home/grafana/node_exporter-1.6.1.linux-amd64/node_exporter --collector.netstat --log.level=error --web.listen-address=0.0.0.0:9100 ExecReload=/bin/kill -HUP \$MAINPID [Install] WantedBy=multi-user.target EOF
3、启动、查看状态（默认端口9100）
systemctl start node_exporter
systemctl status node_exporter -l
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