hi, specifically this isnt a mod_radius problem - its a 'how to configure apache for my distro' problem.
ubuntu have split their config into 'enabled modules' which are then called into play read a suitable document to find how to get the module incorporated into your apache 2.2.x install eg http://www.control-escape.com/web/configuring-apache2-debian.html alan - List info/subscribe/unsubscribe? See http://www.freeradius.org/list/users.html
