In a nutshell, I want to authenticate users of a Ubuntu 10.04 Server against a Mac OS X Server's OpenDirectory LDAP but ONLY allow them access if they are a member of a group on the LDAP side. ...
On windows there's active directory. On Linux there are several options, but what's the dead simplest option to set up? I'd like to manage users and groups centrally, but don't need anything fancy ...