#yum 替换
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-9.repo
yum clean all
yum makecache

cat > /etc/yum.repos.d/local.repo << 'EOF'
[local]
name=CentOS-7 Local Source
baseurl=file:///mnt/
enabled=1
gpgcheck=0
EOF

###Kylin Linux Advanced Server 10 - os repo 
### [ks10-adv-os] name=Kylin Linux Advanced Server 10 - os 
#其中V10SP1看版本选择，aarch64看架构选择 
#相当于baseurl=http://update.cs2c.com.cn:8080/NS/V10/{版本}/os/adv/lic/base/{架构}/
###Kylin Linux Advanced Server 10 - os repo###
vi /etc/yum.repos.d/kylin_aarch64.repo
[ks10-adv-os]
name = Kylin Linux Advanced Server 10 - Os
baseurl=http://update.cs2c.com.cn:8080/NS/V10/V10SP3/os/adv/lic/base/aarch64/
gpgcheck=0
enable=1

###uos本地源
mkdir ~/yum.repos.d && \
mv /etc/yum.repos.d/* ~/yum.repos.d
vi /etc/yum.repos.d/UnionTechOS-local.repo
#本地源文件内容如下
[UnionTechOS-local-AppStream]
name = UnionTechOS local AppStream
baseurl = file:///mnt/AppStream
enabled = 1
gpgcheck = 0
[UnionTechOS-local]
name = UnionTechOS local
baseurl = file:///mnt/
enabled = 1
gpgcheck = 0

#新建local.repo 
vim /etc/yum.repos.d/local.repo 
 
[base] 
name=CentOS 
baseurl=file:///local-yum 
enabled=1 
gpgcheck=0 
 
 
 
#清除下yum 原有的信息，载入新的缓存 
yum clean all 
yum makecache 
yum clean all && yum makecache