How to access the data on a USB stick on QUbes 4.2.4

User Support Hardware Issues
1

Hello,

Can anyone give me a working guide for plugging in and successfully attaching a USB stick to a qube where you can access its data? Because If I plug in a usb stick it does show in the main toolbar, but when I attach it to a qube it doesn’t work or show itself in the qube.

Thanks.

2

Guessing where you are at.

if you wanted to open the USB as a “data block” from say the Qube,

Named Work. Go to the Qube work, on the Click on Work.
On the dropdown menu in the second column to the right.
Click Thunar File Manager.

when the USB is inserted. look upper right at icon of USB stick next to red internet connection.

click on USB icon, just to the left a dropdown menu… one of the entries , the top one with USB, hover pointer. on the USB.

another drop down menu appears. showing the Qubes one can connect the USB to…

If a Qube does not have fie manager. One can install it thru.
Settings in the target Qube.
fifth tab over, Applications. Install File manger. To get it to appear as a tab on that Qube, click “refresh applications”

one version of Thunar File Manager was alreaad y in Work. Unless I installed it and forgot I did.

Is this what you Needed?

best wishes

3

Thanks for the input, but I’ve tried this and it doesn’t work. I think usually there is a ‘USB incoming’ tab that comes up if the USB successfully attaches to a qube. This happens regardless of what qube I try to attach it to.

It has come up with an error message before as well: ‘Qubes daemon access error. got empty response from qubessd.’

4

You can check the last ~20 lines of the output of “sudo dmesg” in the destination qube for mentions of:

  • “xvdi”, “xvdj” etc, if you attached as a block device; or
  • “sda”, “sdb” etc. if you attach the USB stick as a USB device.

And, as in every troubleshooting activity, start by rebooting the machine to remove any PCI/USB/controller errors that may have appeared over time.

If you get messages that “xvdi” (for example) is attached, you can mount it with:
sudo mount -o uid=1000 /dev/xvdi /mnt

5

Indeed.

USB sticks attached to the qube (via the menu in dom0) do not automount when attached and I’m guessing that’s what fecid72375 needed to do.

For this a file manager on the qube is not necessary, the command line you mentioned will do it.