OpenShift enables user to build applications and host apps on the OpenShift server with the ability to modify and deploy. OpenShift is a cloud platform of RedHat which was designed to simplify application development and hosting. OpenShift gives usera complete control over users applications and coding in the language of user choice - Java PHP Ruby.
Red Hat Enterprise Linux Server is an open source operating system that can be deployed on physical systems, in the cloud, or as a guest on the most widely available hypervisors. It orchestrates the hardware resources for all the basic computing requirements and includes support for all major hardware platforms