[K12OSN] USB Files Don't Display

David Hopkins dahopkins429 at gmail.com
Thu Mar 15 13:35:50 UTC 2007

I had a similar issue but it was caused by an update to the fuse package.  I
re-added all users to the fuse group and then also made certain that dns was
set to use host first  so that the thin clients were able to resolve their

check the size that is reported for the thumb drive.  In my case, it was
reporting the size of the system's hard drive indicating that the drive was
not actually mounted properly.  What was happening in that case is that the
file was being copied to the $HOME/Drives/thumbdrive-directory-mount-point
and not to the actual drive which would explain why you can't see the
contents of the drive itself.

You could also try use a dns reservation for a client just to determine if
that results in the client 'knowing' its name.

Dave Hopkins

On 3/14/07, k12ltsp <k12ltsp at hermon.net> wrote:
> Hi everyone,
> We are having a strange issue with USB files not displaying when students
> bring in their Thumbdrives and connect it to the terminals. It stopped
> working as of March, leaving me to suspect that an update caused the
> issue.
> The behavior is strange. When a student connects a thumbdrive into the
> terminal, it actually mounts! However, they can't see any of the contents
> that are presently on the drive.
> Here's the strange part, they can actually write to the thumbdrive,
> meaning, create new files and save them. Files created when mounted to the
> terminal will become visible again if the thumbdrive is unplugged and
> plugged back in. HOWEVER, as explaned above, any files that have been
> written on the thumbdrive elsewhere are NOT visible.
> This makes it hard for students to bring in their homework created on
> their personal machines into the school.
> I have gone through the troubleshooting steps using the USB wiki on the
> LTSP website, and couldn't pass Step 4. Perhaps our problem is here? How
> can I get the workstation to know the hostname?
> Step 1: Disable X.
> N/A. Have shell loaded on second screen. Switched to second screen.
> Step 2: Determine Version Number.
> Output is 4.2 Update 3.
> Step 3:
> On workstation, lbuscd confirmed running. /tmp/drives/ shows a folder
> representing the thumbdrive inside.
> Step 4:
> hostname returns the output = (none). I suspect this may be our problem. I
> have however followed the steps in the installation section by adding the
> line "get-lease-hostnames         true;" to the dhcpd-k12ltsp.conf file,
> but it made no difference after restarting dhcpd and rebooting the
> terminal. The dhcpd-k12ltsp.conf file at the part where I entered this
> line is below.
> get-lease-hostnames         true;
> shared-network WORKSTATIONS {
>   subnet netmask {
>      range dynamic-bootp;
>      use-host-decl-names       on;
>      option log-servers;
>      get-lease-hostnames         true;
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