下载，已在nas中准备好，

解压到/opt/prometheus中。

添加一个没有家目录，不能登录的用户

useradd -M -s /usr/sbin/nologin prometheus

将目录所有者更改

chown prometheus:prometheus -R /opt/prometheus/

查看用户命令

id prometheus

创建systemd服务

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cat > /etc/systemd/system/prometheus.service << "EOF"
[Unit]
Description=Prometheus Server
Documentation=https://prometheus.io/docs/introduction/overview/
After=network-online.target

[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=on-failure
ExecStart=/opt/prj/prometheus/prometheus \
  --config.file=/opt/prj/prometheus/prometheus.yml \
  --storage.tsdb.path=/opt/prj/prometheus/data \
  --storage.tsdb.retention.time=60d \
  --web.enable-lifecycle

[Install]
WantedBy=multi-user.target
EOF

检查一下

http://192.168.66.103:9090/

http://192.168.66.103:9090/metrics