官網地址：
https://grafana.com/grafana/download?platform=linux
下載：wget
https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-5.2.2-1.x86_64.rpm
安裝：
sudo yum localinstall grafana-5.2.2-1.x86_64.rpm
安裝依賴：
yum install initscripts fontconfig
yum install fontconfig
yum install freetype*
yum install urw-fonts
啟動服務
systemctl daemon-reload
systemctl start grafana-server
systemctl status grafana-server
sudo systemctl enable grafana-server.service
相關配置文件
/etc/sysconfig/grafana-server
/var/log/grafana
/var/lib/grafana/grafana.db
/etc/grafana/grafana.ini
訪問地址：
http://ip:3000
admin
admin
啟用插件
grafana-cli plugins install grafana-worldmap-panel
