wget http://docs.cacti.net/_media/plugin:aggregate-v0.75.tgz
mv plugin\:aggregate-v0.75.tgz aggregate-v0.75.tgz
tar zxvf aggregate-v0.75.tgz aggregate/
mv aggregate /usr/local/cacti/plugins
登陆cacti管理页面，进入Plugin Management下，安装并激活插件：
原文：https://www.cnblogs.com/lemonup/p/14115557.html