can't use my scanner as user
James Wilkinson
james at westexe.demon.co.uk
Sun Jun 6 22:13:04 UTC 2004
Eric Tanguy can only use his scanner as root.
He wrote:
> Yes it works like this. But i don't want to unplug and plug it back when i
> want to use it. What's the problem and how solve it ?
Possibly the problem is the USB device node, /proc/bus/usb/$BUS/$DEVICE
only having write permissions for root.
If you do a sane-find-scanner, you'll get a line somewhat like this:
found USB scanner (vendor=0x05d8, product=0x4003, chip=GT-6816) at libusb:001:002
The two last numbers are the interesting ones: in my case, $BUS is 001
and $DEVICE is 002. My scanner's device node is /proc/bus/usb/001/002,
which by default was owned by root with permissions of 644.
I solved this by creating a symlink from /dev/scanner to
/proc/bus/usb/001/002. Then when I login at the console,
/proc/bus/usb/001/002 is chowned to james and chmodded to 600. Now I can
scan as a normal user.
HTH,
James.
--
E-mail address: james@ | Banana in disk drive error
westexe.demon.co.uk |
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