实例：安装rabbitmq-server

# yum history list rabbitmq-serverLoaded plugins: fastestmirrorID     | Login user               | Date and time    | Action(s)      | Altered-------------------------------------------------------------------------------    16 | root 
     
                    | 2017-06-07 11:39 | Install        |  101   history list其中Altered:101是指依赖的包数# yum history undo 16 #这样就是完全卸载所有的信赖包