ref page:
steps:
1.enable epel.
if not installed ,check page
then download the rpm file and installed it :
or rpm -ivh
2.place saltstack-zeromq4-epel-6.repo from to /etc/yum.repo.d/
this will use ZeroMQ 4. if not,ZeroMQ3 will be installed from EPEL.
3.yum install -y salt-minion