安装prometheus

sudo ln -s /home/mhy/prometheus/promtool /usr/bin/promtool

mkdir /data/prometheus
chmod +rw -R /data/prometheus

[Unit]
Description=Prometheus Server
Documentation=https://prometheus.io/
After=network.target
[Service]
Type=simple
User=root
Group=root
WorkingDirectory=/home/mhy/prometheus
ExecStart=/home/mhy/prometheus/prometheus \
--web.listen-address=0.0.0.0:9090 \
--storage.tsdb.path="/data/prometheus" \
--config.file=prometheus.yml
Restart=on-failure
[Install]
WantedBy=multi-user.target

promtool check config prometheus.yml   #使用promtool工具来验证配置文件 
systemctl start prometheus.service