check vboxusers ID
# cat /etc/group |grep vboxusers |awk -F : ‘{print $3}’
501 <---------------這代號每一台都不一定,我的是500
Create a directory to mount usbfs in: #通常已設好
# mkdir /vbusbf
Add mount to /etc/fstab and change “devgid” value to the GID you obtained from the command above:
# echo none /vbusbf usbfs rw.devgid=501,devmode=664 0 0 # devgid=501這代號是vboxusers ID
Re-mount /etc/fstab mounts:
# mount -a
Add your user to the vboxusers group (change “username” to your username):
# usermod -a -G vboxusers username
Enable USB controller in VirtualBox for VM Host:
打開虛擬os usb選項,就可以看到妳現在的usb裝置
Settings > USB
virtualbox_usb
以下參考網址 http://www.kernelhardware.org/fedora-virtualbox-usb-working/