dnf core plugins for epel
wget -P /etc/yum.repos.d/ https://copr.fedoraproject.org/coprs/jkastner/dnf-plugins-core/repo/epel-7/jkastner-dnf-plugins-core-epel-7.repo && yum install dnf-plugins-core
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/jkastner/dnf-plugins-core/