[root@localhost ~]# yum repolist
Updating Subscription Management repositories.
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Repository 'dvd1' is missing name in configuration, using id.
Repository 'dvd2' is missing name in configuration, using id.
dvd1 0.0 B/s | 0 B 00:00
dvd2 0.0 B/s | 0 B 00:00
Failed to synchronize cache for repo 'dvd1', ignoring this repo.
Failed to synchronize cache for repo 'dvd2', ignoring this repo.
告诉我该怎么办？？我无法安装docker
阅读
Unable to read consumer identity
This system is not registered to Red Hat Subscription Management. You can use
subscription-manager to register.
似乎您的系统缺少与Red Hat的订阅/激活。请参见是否可以通过subscription-manager启动/激活订阅>