[Aks@EagleEye Desktop]$ sudo rpm -Uhv VirtualBox-3.1-3.1.0_55467_fedora12-1.i686.rpm
warning: VirtualBox-3.1-3.1.0_55467_fedora12-1.i686.rpm: Header V4 DSA signature: NOKEY, key ID 6dfbcbae
Preparing... ########################################### [100%]
1:VirtualBox-3.1 ########################################### [100%]
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!
[Aks@EagleEye Desktop]$ rpm -qa | grep VirtualBox
VirtualBox-3.1-3.1.0_55467_fedora12-1.i686
[Aks@EagleEye Desktop]$ su -c '/etc/init.d/vboxdrv setup'
Password:
Stopping VirtualBox kernel module [ OK ]
Removing old VirtualBox netadp kernel module [ OK ]
Removing old VirtualBox netflt kernel module [ OK ]
Removing old VirtualBox kernel module [ OK ]
Recompiling VirtualBox kernel module [ OK ]
Starting VirtualBox kernel module [FAILED]
(Cannot create device /dev/vboxdrv with major 10 and minor 57)
[Aks@EagleEye Desktop]$ groups
Aks vboxusers
[Aks@EagleEye Desktop]$