鲲鹏版本（arm架构）镜像

https://archive.kernel.org/centos-vault/altarch/

Centos7.6 .1810地址如下

https://archive.kernel.org/centos-vault/altarch/7.6.1810/isos/aarch64/

普通centos版本地址如下

Index of /centos-vault/centos/