(28, ‘Resolving timed out after 30557 milliseconds’)
Loaded plugins: fastestmirror
Determining fastest mirrors
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
http://mirrors.aliyun.com/centos/7/os/x86_64/repodata/repomd.xml: [Errno 12] Timeout on http://mirrors.aliyun.com/centos/7/os/x86_64/repodata/repomd.xml: (28, 'Resolving timed out after 30557 milliseconds')
Trying other mirror.
遇到這種錯誤 網不好