Centos7 配置ISO镜像文件为本地YUM源

1）创建挂载路径

sudo mkdir /media/iso

2）挂载ISO镜像到目录

sudo mount -o loop CentOS-7-x86_64-Minimal-1708.iso /media/iso

3）验证挂载

df -h

4）创建本地yum源配置文件

sudo touch /etc/yum.repos.d/local.repo

5）编辑local.repo文件内容

[local_server]
name=Thisis a local repo
baseurl=file:///media/iso
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

 6）更新yum源

yum clean all 
yum makecache