Install Virtual Box On Fedora 16/15/14

Install VirtualBox 4.1.0 on Fedora 16/15/14, CentOS/Red Hat (RHEL) 5.6/6

virtualbox-logo-smallOracle VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox supports a large number of guest operating systems:

    Windows 3.x
    Windows NT 4.0
    Windows 2000
    Windows XP
    Windows Server 2003
    Windows Vista
    Windows 7
    DOS
    Linux (2.4 and 2.6)
    Solaris
    OpenSolaris
    OpenBSD

This guide shows howto install VirtualBox 4.1 (currently 4.1.0) on Fedora 15, Fedora 14, Fedora 13, Fedora 12, CentOS 5.6, Red Hat (RHEL) 5.6 and Red Hat (RHEL) 6. This howto uses Virtual Box yum repositories.
 
1. Change to root User

su -
## OR ##
sudo -i

2. Install Fedora or RHEL Repo Files

cd /etc/yum.repos.d/

## Fedora 15/14/13/12 and RHEL 6 users
wget http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo

## CentOS 5.6 and RHEL 5.6 users
wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo

3. Update latest packages

yum update

Note: Reboot if you got kernel update.
4. Install following dependency packages

yum install gcc kernel-devel kernel-headers

## PAE kernel users install ##
yum install gcc kernel-PAE-devel kernel-headers

5. Install VirtualBox Latest Version (current 4.1.0)

yum install VirtualBox-4.1

Note:
This command create automatically vboxusers group and VirtualBox user must be member of that group.
This command also build needed kernel modules.
6. Add VirtualBox User to vboxusers Group

usermod -a -G vboxusers user_name

7. Start VirtualBox

Use launcher or simply:

VirtualBox