Cannot retrieve metalink for repository: epel/x86_64

yum remove epel-release
rm -rf /var/lib/rpm/__db*
yum clean all
yum update
yum install epel-release

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

Edit file - change link bug

[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
#baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7

to

[epel]
name=Extra Packages for Enterprise Linux 7 - $basearch
#baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch
#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch
baseurl=http://mirror.globo.com/epel/7/$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7

Sorry, I not speak english!

Welcome to Nethserver Community and thanks for your feedback.

It seems to work again, maybe a mirror was not synced.

Do not be shy, like a lot of people here.