【CentOS7】yum安装时出现错误Errno 14 Couldn't resolve host的解决办法

在安装python-sphinx时出现Errno 14 Couldn't resolve host,什么东东?python [root@localhost jansson-1.2]# yum install python-sphinx Loaded plugins: fastestmirror http://yum.loway.ch/RPMS/repodata/repomd.xml: [Errno
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