1.mkdir /mnt/cdrom
2.mount /dev/cdrom /mnt/cdrom
3.cp -R /mnt/cdrom /usr/local/src/VBoxAdditions
4.yum install -y gcc gcc-devel gcc-c++ gcc-c++-devel make kernel kernel-devel bzip2
5./usr/local/src/VBoxAdditions/VBoxLinuxAdditions.run install
6.启用共享文件夹：
mkdir /home/www
mount -t vboxsf mooc /home/www
参考文章
https://blog.csdn.net/MingL_Wang/article/details/45156019