Re: Access to USB camera requires root access
On Wed, May 17, 2006 at 08:27:01PM -0700, David E. Fox wrote:
>
> Hello. I am a newbie when it comes to using USB devices.
>
> Nevertheless, I opted for a Kodak easyshare C310. The camera is
> supported well enough by linux, using gphoto2. It seems to be a PTP
> device, not a mass storage device.
>
> Plugging in the cable, I get message that the device is detected, but
> nothing is displayed relative to storage (no /dev/sda1, etc.) so I
> guess I can infer PTP from that.
>
> /proc/bus/usb has entries in there, and it seems that /proc/bus/usb is
> mounted as a usbdevfs (I think that's right). gtkam / gphoto2 can
> access the device, but only if I use the tools as root. Otherwise, I
> get permission denied errors.
>
> I understand permissions generally, but how does one exactly change the
> permissions on files within /proc? That seems to make no sense. A
> 'directory' seems to be there, but only when gphoto2 or gtkam is in
> operation, and it's something like store_20000 according to gtkam
>
> usbfs is indeed mounted. Do I need something in /etc/fstab, then?
Unless the easyshare's have changed, all you should need to do is an
'adduser <youraccount> camera' and then refresh permissions (I usually
log out then back in, but I think there's more elegant ways). Try if
that works, if not come back.
--
Christopher Nelson -- chris@cavein.org
-----------------------------------------------------------------------
Odets, where is thy sting?
-- George S. Kaufman
Reply to: