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The tar guest-session-prefs-lightdm-0.12.tar.gz works fine on my 12.04. You may want to provide some more details about the nature of your problems.

Guests are denied access to /home by design (via AppArmor).

I think it's intentionally prevented via AppArmor.

$ grep /media /etc/apparmor.d/lightdm-guest-session
owner /media/ r,
owner /media/** rmwlixk, # we want access to USB sticks and the like...

Yep, the examples in /etc/guest-session/prefs.sh ought to cover what you were looking for. I'm glad that you found the examples useful, carret.

Hello,


I'm not able to reproduce that behavior. To me, music that was playing in a regular session keeps playing if I launch a guest session.


No. That is I have no idea.

I noticed that...

Thanks, glad to hear you say that. :) You're welcome.
Please feel free to post your comments, other customization ideas, etc.

When fixing the permissions issue, I made "lp" the group, and added write access to the group:

~$ ls -l /dev/bus/usb/006
total 0
crw-rw-r-- 1 root root 189, 640 2010-10-11 23:09 001
crw-rw-r--...

I wrote a tutorial, Customize guest session, that provides a few customization examples.

Important note
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Up to Ubuntu 11.04 the guest session feature was provided by gdm-guest-session, an extension to the GNOME Display Manager (GDM) which was...

The tutorial Customize guest session, which also covers several other ways to customize guest sessions, effectively supersedes this document.
Background

The guest session feature (package...

Your post solved the problem for mee too. Thanks, "aouie"!

However, one thing makes me fear that the solution is a workaround. In my case, while the scanner at this moment is represented by device...