[sane-devel] Authorization , plug on plug off the usb
henning at meier-geinitz.de
Mon Apr 3 18:19:45 UTC 2006
On 2006-03-30 03:18, Tamkang wrote:
> I have a question , if the device files located in
> /proc/bus/usb/001/002 permissions was -rw-rw-rw the scanner can be
> use by unprevilaged user , so can i just change the permission ?
For newer Linux kernels which use udev, the file can also be lcoated
in /dev/bus/usb/001/002 (or similar).
> for permanently. and also I read the README.Linux there is a
> question too about distribution that I don't understand exactly
> what it means, I quote " ... One Solution to set permissions
> on-the-fly are the Linux hot-plug tools that should come with any
> current distribution ... ( in here current distribution means my OS
> rignt ? Redhat (e.g: README.redhat.gz ) where is this file ?
> because ... )
E.g. Debian, SuSE, Redhat.
I don't know wexactly where Redhat explains how SANE permissions are
integrated. Maybe you can find docuemantation on their Website?
If not, ask their support or ask in newsgroups.
> Your distribution should have set up the scripts to automatically
> change permissions correctly. Look for " libsane.usermap" and
> "libusbscanner" in /etc/hotplug/usb . Usually you must just add the
> users that are allowed to access the scanner to group "scanner". To
> make that change active, the user must login again. ( is it will
> ask the user to input Password again?)
Just log out and log in again.
> For more details , see your
> distribution's documentation e.g : for debian : README.debian.gz (
> and if I use Redhat where can I found thouse documentation ? )
I don't know if it exists as a Readme.
> because I am not experience in Linux, and I need help. Thanks
Read the documentation of your distribution :-)
Somewhere package-specific documentation must be located also for
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