docker

Dockets allows you to create containers which share same OS and resources but provide isolated environment to run different applications in different containers at the same time.  It is the new hot technology which which has seen a huge growth and adaptation by many companies around the world.

If you are interested in docker and  try it out , here is the good news  , Play-with-docker is providing  Free Docker Training for Beginners Intermediate & Advanced users . The tutorials provided are from docker and the members of docker community.