【问题】This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

转自：https://blog.csdn.net/yunying_si/article/details/23969933

RedHat Enterprise Linux 6.4，是63位的。使用yum命令安装软件时候出现以下错误：

This system is not registered to Red Hat Subscription Management.You can use subscription-manager to register.

原因：使用redhat的yum源是需要注册付费的。

解决办法：卸载原有yum包，替换centos 6.4的yum包

卸载yum包

rpm -aq|grep yum|xargs rpm -e --nodeps

下载centos6.4的yum包，下载路径http://vault.centos.org/6.4/os/x86_64/Packages/