Enlaces interesantes: https://help.ubuntu.com/community/WifiDocs/ChillispotHotspot/7.10 http://faberlibertatis.org/wiki/Hotspot_Ubuntu_Dapper_Server_HOWTO http://www.ibr.cs.tu-bs.de/cgi-bin/dwww?type=file&location=/usr/share/doc/freeradius/examples/db_mysql.sql.gz