还需要::# vim /etc/group
vboxusers

131:当前系统登陆用户
1. 把使用者帳號加入 vboxusers 群組
sudo usermod -a -G vboxusers username
1-1. 參閱
http://www.virtualbox.org/manual/ch02.html#idp89368144
The Linux installers create the system user group vboxusers during installation.
A user can be made a member of the group vboxusers
sudo usermod -a -G vboxusers username
1-2.
http://manpages.ubuntu.com/manpages/viv ... mod.8.html
the -a option, which appends the user to the current supplementary group list.
使用 -a 參數 同時指定 權限中的 group 權限
這是 直接使用 vim 文字編輯程式 編輯 /etc/group 檔案 所沒有的功能
2. 安裝 VirtualBox Extension Pack
http://www.virtualbox.org/manual/ch01.h ... installing
Additional extension packs
provides the following added functionality:
The virtual
USB 2.0 (EHCI) device; see Section 3.10.1, “USB settings”.
The virtual
USB 3.0 (xHCI) device; see Section 3.10.1, “USB settings”.
(The virtual
USB 1.1 原來就支援)
3. 下載 VirtualBox Extension Pack
https://www.virtualbox.org/wiki/Downloads
http://download.virtualbox.org/virtualb ... ox-extpack