首先将iso镜像上传到centos系统的/home/images/ 目录下
将iso镜像挂载到/mnt目录

mount -t iso9660 /home/imags/Kylin-Server-V10-SP3-General-Release-2303-X86_64.iso  /mnt

配置本地yum

vim /etc/yum.repo.d/centos.repo
    ###Kylin Linux Advanced Server 10 - os repo###                                                                                                                         

    [centosos]
    name = centos
    baseurl = file:///mnt
    gpgcheck = 0
    gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-kylin

    enabled = 1

清除缓存

yum clean all

重建yum缓存区域

yum makecache

安装所有更新软件

yum update

查看安装包列表

yum list all