====== Ref ======
https://forums.virtualbox.org/viewtopic.php?t=369

====== Install Virtualbox Extension Pack ======
https://www.virtualbox.org/wiki/Downloads

====== Add Permissions  ======
<code>
# this is for VirtualBox usb permissions
# 1001 is the group ID of vboxusers on my machine
none    /proc/bus/usb    usbfs    devgid=1001,devmode=666    0    0
# end of VirtualBox edits
</code>

====== Add User to vboxusers group  ======
<code>
gpasswd -a $USER vboxusers
</code>