[Koha] Koha Installation Help

I am newbie to koha project.After spending 2 days on it ,i could not install it.I followed install-ubuntu documentation of it.I placed koha project in /var/www directory.After following the instructions from the manual when i browsed to "localhost:8080",it says. Not Found The requested URL / was not found on this server. ------------------------------ Apache/2.2.14 (Ubuntu) Server at localhost Port 8080 -- Thanks Regards Amrit Pal amritpalpathak.blogspot.com