Filesystem Ownership

[Greg Booth]

Looks like it would end up being

SUBSYSTEM=="usb_device",                GROUP="laurent", MODE="0664"

to switch it to user and group to your own.

Greg Booth


On 7/5/07, Laurent Asorne <laurent.asorne at gmx.lu> wrote:
> On Wednesday, 04 July 2007 03:45:03 D. Michael McIntyre wrote:
> > On Tuesday 03 July 2007, Laurent Asorne wrote:
> > > Hi! I'd like to change the ownership of my Sony Microvault 1GB USB Memory
> > > Stick, but everytime I try with
> > > # sudo chown laurent:users /media/MICROVAULT/
> >
> > I assume the stick is formatted with FAT32, and you're using the VFAT
> > filesystem on it.  VFAT doesn't have proper permissions, so you have to set
> > any permissions at mount time, with mount parameters.
> >
> > Lets' see...  I plugged a memory card into my computer, and wound up with:
> >
> >
> > /dev/sdb1 on /media/disk type vfat
> > (rw,noexec,nosuid,nodev,noatime,uid=1000,utf8,shortname=lower)
> >
> > This happened by magic.  I'm not sure what is responsible for mounting it
> > with these specific parameters, but I think it's udev.
> >
> > Looks like this is set up here:
> >
> > /etc/udev/rules.d/40-permissions.rules
> >
> > But if you change this at the system level, it will affect any card you
> > mount. I don't think there is any off the shelf way to have just one
> > particular removable USB storage device come up with different permissions
> > from all the rest of them automatically.
> >
> > You could try to cut something into the udev system to do your custom job.
> > I did that with hotplug once.  However, the more sensible thing in your
> > case is probably for you to mount the device by hand, with the parameters
> > of your choosing.  Something like...
> >
> > Well, no, I'm afraid I'm just too tired to dig through the manpage and try
> > to come up with the syntax for you.
> > --
> > D. Michael McIntyre
>
> Thanx. I looked up  /etc/udev/rules.d/40-permissions.rules but could not
> directly know which change to make (man-page is descriptive but not very
> explicit...). I'll be googling around these days to find something more
> useful on the net. but thanx fou help anyway!
>
> Laurent Asorne
> --
> This night methinks is but the daylight sick.
>                 -- William Shakespeare, "The Merchant of Venice"
>
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