当我运行时，sh /media/cdrom/VBoxLinuxAdditions.run我收到以下警告消息：
You appear to have a version of the VBoxGuestAdditions software
on your system which was installed from a different source or using a
different type of installer. If you installed it from a package from your
Linux distribution or if it is a default part of the system then we strongly
recommend that you cancel this installation and remove it properly before
installing this version. If this is simply and older or a damaged
installation you …我卸载了大量的软件包并apt始终使用remove.
知道我永远不会使用它们，并且我担心旧的配置文件会污染我的系统，我怎样才能清除它们呢？该apt purge <package-name>命令要求我知道我要清除的内容，但我不记得所有内容。