can i join Linux client to samba4-alpha11 with LDB database with kerberos authentication method

[hesam mohamadian]

hi i want to join linix client to my samba4-alpha 11 server (Domain
Controller) and i want my linux client authenticate via Domain , and set
some policy (for example which user is sudoer and which one is not ) I  want
to *integrate* linux & windows client authentication in one Domain
Controller  Does Any Body Have Any Idea ?