Install VirtualBox 4.2.6 on RHEL/CentOS 6.3/5.6 and Fedora 17-12

## RHEL 6.3/6.2/6.1/6/5.8/5.6 and CentOS 6.3/6.2/6.1/6/5.8/5.6 ##
# cd /etc/yum.repos.d/
# wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo

# yum update
# yum install binutils qt gcc make patch libgomp glibc-headers glibc-devel kernel-headers kernel-devel dkms 

# yum install VirtualBox-4.2

# /etc/init.d/vboxdrv setup

출처: http://www.tecmint.com/install-virtualbox-on-redhat-centos-fedora/