CentOS Linux release 7.2.1511yum grouplist 报错处理

报错截图： 解决方案： 1、更新阿里yum源头 CentOS 5 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo CentOS 6 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/rep

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