CentOS7用系统安装光盘作的本地yum仓库
#挂载光盘至某目录,如/mnt/cdrom
mount /dev/cdrom /mnt/cdrom#创建配置文件 [root@centos7 ~]#vim /etc/yum.repos.d/centos7.repo
[CentOS7] name=CentOS 7 baseurl=file:///mnt/cdrom gpgcheck=0 enabled=1