B​​IOS​​​或者​​虚拟机​​设定：VT-X/AMD-v

vmware的设定方法：VM => “Settings…”=> Processors => 选中复选框Virtualize Intel VT-x/EPTor AMD-V/RVI

注意：只能在VM停下来的时候才能设定。


# rpm -ivh https://mirrors.tuna.tsinghua.edu.cn/virtualbox/5.1.12/VirtualBox-5.1-5.1.12_112440_el7-1.x86_64.rpm


采用yum方式安装，解决依赖包缺失问题

cd /etc/yum.repos.d
wget http://download.virtualbox.org/virtualbox/rpm/rhel/virtualbox.repo
yum makecache
yum install VirtualBox-4.3