1.挂载
# mkdir /mnt/cdrom # mount /mnt/CentOS-7.0-1406-x86_64-DVD.iso /mnt/cdrom/
2.配置
# touch CentOS-ISO.repo # cat CentOS-ISO.repo [base] name=CentOS-$releasever – Base #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra baseurl=file:///mnt/cdrom enabled=1 gpgcheck=0 gpgkey=file:///mnt/cdrom/rpm-gpg/RPM-GPG-KEY-CentOS-7
参考：https://blog.51cto.com/11495268/2314967
原文：https://www.cnblogs.com/hixiaowei/p/12346691.html