I've been playing with Apple's Xgrid a bit lately and was hoping to find a means of using multiple agents, running tasks as an authenticated user, without having to run OS X Server on the controller.
The only way to do this is via the single-sign-on authentication option for both Xgrid controllers and agents, implemented via Kerberos in conjunction with the following packages:
(some opensource available via http://www.opensource.apple.com/release/mac-os-x-1062/ )
I'm a bit rusty on Kerberos. Before I go down that route, or build a VM running Linux + OpenLDAP + KDC, has anyone successfully gotten SSO to work without OS X Server?