1.在虚拟机dvd中放入光盘
2.挂载光盘
# mkdir /media/cdrom
# mount /dev/cdrom /media/cdrom
3.写入fstab
# vim /etc/fstab
/dev/cdrom /media/cdrom iso9660 default 0 0
4.添加配置文件
# vim /etc/yum.repos.d/local.repo
[local]
name=local-cd.repo
baseurl=file:///media/cdrom
enabled=1
gpgcheck=0