在 ubuntu 8.10 时，Used to write a Virtualbox using a USB，Gnome environment 當時，As long as the settings in the user group permissions can be added，To 12.10，了 unity 換成 environment 已經，Provided through a set surface set allowed user group Yes 經沒 設已 deposits，Virtualbox USB 启动 因此 要让，Set a little way to adjust。
There are two methods，The main accounts are added to the inside vboxusers：
Method one：
Is also the fastest way to，Enter the following command in a terminal，Re-boot can be
sudo adduser 帳戶 vboxusers
Method Two：
The old-fashioned way，先安裝gnome-system-tools，You can bring up the user group to adjust permissions，Then the same account to add vboxusers。
[Links]
- virtualbox.org • View topic – Ubuntu 12.04 USB DON'T WORKS IN VIRTUALBOX
- VirtualBox USB 让 支援 装置 @ ubuntu 8.10 | Old Sen Chang Tan
