FreeRADIUS as auth server for OpenVPN

Hi, Can anybody please advise tutorial/howto ar good documentation on how to configure subj (FreeRADIUS as auth server for OpenVPN)? Freeradius server is already configured, i'm trying to configure openvpn to auth from freeradius. Should i use pam_radius (http://freeradius.org/pam_radius_auth/) ? Thank you for advice Best Regards, Dmitry --- Dmitry KORZHEVIN System Administrator STIDIA S.A. - Luxembourg e: dmitry.korzhevin@stidia.com m: +38 093 874 5453 w: http://www.stidia.com