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Andrew David Wong 2016-06-01 21:47:17 -07:00
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common-tasks/usb.md
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@ -35,16 +35,7 @@ USB drive mounting is integrated into the Qubes VM Manager GUI. Simply insert
your USB drive, right-click on the desired qube in the Qubes VM Manager list,
click **Attach/detach block devices**, and select your desired action and
device. This, however, only works for the whole device. If you would like to
attach individual partitions, you must use the command-line tool (shown below).
The reason for this is that when attaching a single partition, it used to be
that the Nautilus file manager would not see it and automatically mount it (see
issue [623]). This problem, however, seems to be resolved (see
[this comment on issue 1072][1072-comm1]).
If, for some reason, the device does not appear in Nautilus and you still need
to attach just a single partition to a device, you will need to mount it
manually. The device will show up as `/dev/xvdi` (or `/dev/xvdj` if there is
already one device attached -- if two, `/dev/xvdk`, and so on).
attach individual partitions, you must use the command-line tool.
The command-line tool you may use to mount whole USB drives or their partitions
is `qvm-block`. This tool can be used to assign a USB drive to a qube as
@ -107,6 +98,14 @@ follows:
Otherwise, you will not be able to attach it anywhere later. See issue [1082]
for details.
There have been reports that when attaching a single partition, the Nautilus
file manager would not see it and automatically mount it (see issue [623]).
This problem seems to be resolved (see [this comment on issue 1072][1072-comm1]).
If, however, the device does not appear in Nautilus, you will need to mount it
manually. The device will show up as `/dev/xvdi` (or `/dev/xvdj` if there is
already one device attached -- if two, `/dev/xvdk`, and so on).
### What if I removed the device before detaching it from the VM? ###
@ -158,10 +157,8 @@ Xen does not yet provide working PVUSB functionality, so only USB mass storage
devices can be passed to individual qubes.
For this reason, you may wish to avoid using a USB qube if you do not have a USB
controller free of input devices and programmable devices. For example, if you
use a USB mouse for the whole system, then delegating the sole USB controller to
a qube would cause your mouse to be usable only in that qube. However, most
laptops use PS-2 for keyboards and touchpad devices, which avoids this problem.
controller free of input devices and programmable devices, although Qubes R3.1
introduced support for USB mice and keyboards (see below).
A USB qube acts as a secure handler for potentially malicious USB devices,
preventing them from coming into contact with dom0 (which could otherwise be