1、创建本地镜像目录
mkdir /mnt
2、挂载本地镜像
sudo mount -o loop /home/rootxxx/Kylin-Server-10-SP2-aarch64-Release-Build09-20210524.iso /mnt
sudo vi /etc/fstab
/home/rootxxx/Kylin-Server-10-SP2-aarch64-Release-Build09-20210524.iso /mnt iso9660 defaults 0 0
3、进入/etc/yum.repo.d目录
cd /etc/yum.repo.d/
备份原repo文件，修改配置文件时，需要备份原文件。
sudo mkdir bak
sudo mv *.repo bak
4、修改 kylin_aarch64.repo配置文件
sudo vi /etc/yum.repos.d/kylin_x86_64.repo
[kylin_x86_64.repo]
name=kylin_x86_64.repo
baseurl=file:///mnt
enabled=1
gpgcheck=0
5、yum生效
yum clean all
yum makecache
yum list
