> > Is anybody using http://freeipa.org on a CentOS 6 server? Is it working > well? > Yes and yes.... I suggest checking out the FreeIPA mailing list and IRC channel if you have any trouble as you'll find quite a few people there. As a heads up IPA 2.2 will be coming in CentOS 6.3 which includes SSH key maintenance in IPA and form based authentication for when you don't have a kerberos token to pass to the IPA interface.