centos报错：Errors during downloading metadata for repository 'base '_长夜漫漫惟剑伴的博客-CSDN博客
Cannot find a valid baseurl for repo: base/7 /x86_64_mb5fe191195f1f1的技术博客_51CTO博客
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How to fix CentOS 6 : YumRepo Error: All mirror URLs are not using ftp, http[s] or file. - Knowledgebase - Host4Fun.com
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解决：Failed to download metadata for repo 'base': Cannot download repomd.xml: Cannot download repodata - 知乎
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解决：Failed to download metadata for repo 'base'_萌褚的技术博客_51CTO博客
