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