插入插件iso，虚拟机菜单栏=》devices=》install guest addtions cd image...
挂载插件iso， mount /dev/cdrom /mnt/temp
进入/mnt/temp 安装VitruBox......sh
如安装失败，可能需要先安装如下包
yum install kernel-headers
yum install kernel-devel
yum install gcc make
取消挂载点umount -a
查看是否取消成功df -h
原文：http://yebaoshan.blog.51cto.com/9954062/1631535