Have you found a way to do this only using the sudoers files ? I have found I can't produce the behavior you describe only with sudoers.
I've filed a bug for this, which only happens in Dapper BTW. Edgy seems to do it right. See: https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/92401 -- Allow multiple users to only install software https://launchpad.net/bugs/56207 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
