install VirtualBox on fedora12

1. download rpm:

   http://download.virtualbox.org/virtualbox/rpm/fedora/12/i386/

2. [root@alex ~]# rpm -i Downloads/VirtualBox-3.2-3.2.8_64453_fedora12-1.i686.rpm
warning: Downloads/VirtualBox-3.2-3.2.8_64453_fedora12-1.i686.rpm: Header V4 DSA signature: NOKEY, key ID 98ab5139

Creating group 'vboxusers'. VM users must be member of that group!

No precompiled module for this kernel found -- trying to build one. Messages
emitted during module compilation will be logged to /var/log/vbox-install.log.

Success!

WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.