[root@king ~]# yum repolist
Loaded plugins: product-id,refresh-packagekit,security,subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
base | 224 B 00:00
Error: requested datatype primary not available
步骤：
yum clean all
yum --rebuilddb
原文链接：https://www.f2er.com/bash/391161.html