安装eple源，在yum clean all；yum makecache 后出现报错
Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again
解决办法：
sed -i ‘s/mirrorlist/\#mirrorlist/g‘ epel.repo epel-testing.repo
sed -i ‘s/\#baseurl/baseurl/g‘ epel.repo epel-testing.repo
yum clean all
yum makecache
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执行yum：Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again
原文：http://oslibo.blog.51cto.com/10854638/1727472