-# Install EPEL required by some packages
-# if [ ! -f /etc/yum.repos.d/epel.repo ] ; then
-# if grep -q "Red Hat Enterprise Linux" /etc/redhat-release ; then
-# sudo yum -y install http://mirror.centos.org/centos/7/extras/x86_64/Packages/epel-release-7-11.noarch.rpm
-# else
-# sudo yum -y install epel-release --enablerepo=extras
-# fi
-# fi
-
-# Work around a conflict with a newer zeromq from epel
-# if ! grep -q zeromq /etc/yum.repos.d/epel.repo; then
-# sudo sed -i '/enabled=1/a exclude=zeromq*' /etc/yum.repos.d/epel.repo
-# fi
-