Cannot retrieve metalink for repository: epel/x86_64. Please verify its path and try again 解决方法

vim /etc/yum.repos.d/epel.repo

1 [epel]
2 name=Extra Packages for Enterprise Linux 7 - $basearch
3 #baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
4 metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch

取消第三行注释，并注释第四行

1 [epel]
2 name=Extra Packages for Enterprise Linux 7 - $basearch
3 baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
4 #metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch