If It Ain't Broke, Break It; Then Fix It

 Make it Portable Baby!!! Have you ever tried to do something, I mean anything, and failed. You really tried everything to make it work, read documents, watched a youtube video, and then called the friend that told you about it in the first place. All of this to no avail. Hold on, you mean calling the friend that told you about it was no help?! Yep, that is right. They were no help especially when they said that magical phrase that we all know so well, "It worked for me".  Well, that is where the beauty of Docker comes into play. Docker is what we call portable; meaning that it works the same no matter where you run it. This is because of how containers are built. Well, I should say how the images for containers are built.  Before I go any further, I will tell you that I learned much of what I am putting in this post from this blog ( https://www.opensourceforu.com/2016/07/many-approaches-sandboxing-linux/ ). So how does the building of an image make a container portable? ...

 In this post, we will walk through installing the community edition of the very popular RedHat Linux. The community edition is called CentOS. I call it the community edition because there are immaterial differences between the two minus the great support that comes with a purchase of RedHat.  Before we go any further you will have to get familiar with the following websites:   Virtualbox  (https://www.virtualbox.org/) - This will be your hosted hypervisor. If you are not familiar with a hosted hypervisor please read my absolutely wonderfully stupendous post called " Virtualization -What is it and Why do we use it "  Distrowatch  (https://distrowatch.com/) - a virtual playground of Linux distros (a.k.a flavors) that you have never heard of.  The Centos Project (https://www.centos.org/) - where we will download our ISO image file for creating a CentOS virtual machine on your host machine. The first step lets install Virtualbox. If any of you are famili...