spacewalk-koan from systemsmanagement:Uyuni:Stable:CentOS7-Uyuni-Client-Tools project

对于 CentOS 7，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Stable:CentOS7-Uyuni-Client-Tools/CentOS_7/systemsmanagement:Uyuni:Stable:CentOS7-Uyuni-Client-Tools.repo
yum install spacewalk-koan