CentOS yum 命令出现 [Errno 14] curl#6 - "Couldn't resolve host ..." 的解决方法
14] curl#6 - "Couldn't resolve host 'opensource.wa ...
原文：解决centos yum源配置出现Couldn't resolve host 问题
http: mirrors. .com centos os i repodata repomd.xml: Errno PYCURL ERROR Couldn t resolve host mirrors. .com Trying other mirror. Error: Cannot retrieve repository metadata repomd.xml for repository: b ...
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