官方地址 ： https://www.virtualbox.org/wiki/Linux_Downloads
1.导入 yum 源
Oracle Linux / RHEL
#cd /etc/yum.repos.d/ #wget http://download.virtualbox.org/virtualbox/rpm/el/virtualbox.repo
Fedora
#cd /etc/yum.repos.d/ #wget http://download.virtualbox.org/virtualbox/rpm/fedora/virtualbox.repo
openSUSE
#cd /etc/zypp/repos.d/ #wget http://download.virtualbox.org/virtualbox/rpm/opensuse/13.2/virtualbox.repo
2.安装
＃yum install VirtualBox-5.1