red-hat6.5 yum 源配置，cloud-init 安装 This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register

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

 ftp://ftp.pbone.net/mirror/pkgs.repoforge.org/python-yaml/python-yaml-3.09-3.el6.rf.x86_64.rpm