The easiest way to get Docker up and running depends on the operating system that you are using. Docker needs Linux. So, if you are running Linux, the process should be very simple. If you are using Windows or OS X, it's a little bit more complicated because you will need to use a virtual machine to run a Linux image that can run Docker. Let's start with Linux.
We are going to focus on an Ubuntu install in this section since it is one of the most popular Linux distributions. You don't need to run Ubuntu to be able to install Docker. Docker supports many different Linux distributions, and there are installation instructions for all of them available on the Docker website (for more information, visit https://docs.docker.com/installation/).
With Ubuntu, the first thing that you should do is check out the kernel version that you are running. You can do this with the help of the following command:
uname –r
If you are running a kernel version of 3.10 or higher, you should...