Misc - How To Setup a Wi-Fi Hotspot

"Creating a Wi-Fi Internet hotspot service from scratch can seem like a daunting task. I had many sleepless nights trying to get to grips with FreeRadius, DD-WRT, Chillispot etc. I hope that this How To helps you to avoid some of the problems I encountered along the way."
http://www.howtoforge.com/wifi_hotspot_setup