node_exporter安装

1、node_exporter下载

node_exporter-1.3.1.linux-amd64.tar.gz

tar -xzvf node_exporter-1.3.1.linux-amd64.tar.gz -C /usr/local

2、配置文件

cat >/etc/systemd/system/node_exporter.service<<EOF
[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target

[Service]
User=prometheus
ExecStart=/usr/local/node_exporter/node_exporter --collector.netstat --log.level=error --web.listen-address=0.0.0.0:9100

[Install]
WantedBy=default.target
EOF

mysqld_exporter:

cat > /etc/systemd/system/mysqld_exporter.service<<EOF
[Unit]
Description=Prometheus MySQL Exporter
After=network.target

[Service]
Type=simple
Restart=always
User=prometheus
ExecStart=/usr/local/mysqld_exporter/mysqld_exporter --config.my-cnf /usr/local/mysqld_exporter/my.cnf --collect.info_schema.innodb_tablespaces --collect.perf_schema.eventsstatementssum --collect.perf_schema.memory_events --log.level=error --web.listen-address=0.0.0.0:9104

[Install]
WantedBy=multi-user.target
EOF

3、启动

systemctl daemon-reload

systemctl start node_exporter

systemctl status node_exporter