Just wanted to note that this tutorial/intro on Docker does a great job of opening the door for this fantastic creation which has been extremely beneficial to many sysadmins already. I highly recommend you take a gander at the power of docker and how easy it can be to install/configure/implement into whatever your doing!

Mario Loria is a builder of diverse infrastructure with modern workloads on both bare-metal and cloud platforms. He's traversed roles in system administration, network engineering, and DevOps. You can learn more about him here.