I would like to leave epel enabled and configure it to allow updating only the packages that were installed from epel itself in the first place (packages which were manually installed from epel because of specific needs). Is there a yum conf directive to allow this?
I Just try to install system requirements of http://magento.com/resources/system-requirements , But facing the issues below attached the same.
For my every install EPEL package, there was a issue of "No Package xxx available",
I've Enabled EPEL Repository by,