主机已在 Redhat 注册，当我尝试 yum install 时，它说
没有启用的存储库
如何启用回购。
这里有类似的问题，没有答案。
[root@# yum install pdksh.x86_64
Loaded plugins: langpacks, product-id, subscription-manager
This system is registered to Red Hat Subscription Management, but is not receiving updates. You can use subscription-manager to assign subscriptions.
There are no enabled repos.
Run "yum repolist all" to see the repos you have.
You can enable repos with yum-config-manager --enable <repo>