软件安装　　Grafana:https://grafana.com/get安装influxdb：　　下载：wget https://dl.influxdata.com/influxdb/releases/influxdb-1.7.6.x86_64.rpm　　安装：yum localinstall influxdb-1.7.6.x86_64.rpm　　启动：Systemctl start influ