现在网上最新的是CentOS7.1, 但是在配置国内流行的163源的时候,网上的文章大多数我这里都通不过. 错误信息大概是: One of the configured repositories failed (CentOS-7 - Addons - 163.com), and yum doesn't have enough cached data to continue. At this point the only safe thing yum can do is fail. There a