[wplug] usb memory sticks / non-root?

Alexandros Papadopoulos apapadop at alumni.carnegiemellon.edu
Fri Jul 16 03:24:10 EDT 2004


On Friday 16 July 2004 07:04, Brandon Kuczenski wrote:
> I'm using a usb memory stick to transfer files with a Windows
> computer.  I was thrilled that:
>
> # mount /dev/sda1 /mnt/usb/mem
>
> seemed to work great! Unfortunately,
>
> # chmod a+w /mnt/usb/mem
>
> did not work -- it said permission was denied (and so only root could
> copy files to the memory stick).  Using mount with -o users didn't
> seem to help.  I found at least one webpage saying it was not
> possible for ordinary users to have read/write privileges on usb
> memory sticks in Linux .. can you folks confirm this?

That's a negative, users certainly CAN manipulate vfat stuff with the 
umask option that sets everything accessible to everyone (this is the 
true vfat spirit, anyway):

/dev/sda1       /mnt/camera     vfat    umask=000,noauto,sync,users 0 0

-A



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