Advantages:
https://www.youtube.com/results?search_query=openshift+tutorial
https://www.youtube.com/watch?v=qaIROwHUm54&list=RDQMckWPDuWamgc&start_radio=1
https://www.youtube.com/watch?v=UWg3ORRRF60
https://www.youtube.com/watch?v=E3h8_MJmkVU