1.下载rpm包

# wget http://download.virtualbox.org/virtualbox/4.2.8/VirtualBox-4.2-4.2.8_83876_el6-1.x86_64.rpm

2.安装依赖包

# cd /etc/yum.repos.d

# mv Oracle-Base.repo Oracle-Base.repo.disabled

# wget http://public-yum.oracle.com/public-yum-ol6.repo 

# yum -y install SDL

3.安装

# rpm -ivh VirtualBox-4.2-4.2.8_83876_el6-1.x86_64.rpm 

4.进入图形界面登陆VirtualBox

# init 5

如图: