adding docker installation guide prior to installation of minikub

Change-Id: Ibc9dacb945e886b3f4bcc590d652224f8e721ceb
diff --git a/prereqs/k8s-single-node.md b/prereqs/k8s-single-node.md
index b9b4cc2..ad08a06 100644
--- a/prereqs/k8s-single-node.md
+++ b/prereqs/k8s-single-node.md
@@ -5,26 +5,17 @@
 
 There are two popular single-node versions of Kubernetes.
 
-* **Minikube**
+* **Minikube** (recommended)
     * Documentation: <https://kubernetes.io/docs/getting-started-guides/minikube/>
+    * Installation on a Linux machine (either physical or a VM on your laptop or in the cloud): <https://github.com/kubernetes/minikube#linux-continuous-integration-without-vm-support (Must have Docker installed <https://docs.docker.com/install/>)
+    * Installation directly on your Windows or MacOS System: <https://kubernetes.io/docs/getting-started-guides/minikube/#installation>
     * Minimum requirements:
         * One machine, either a physical machine or a VM. It could also be your own PC! It installs natively also on macOS.
 * **Mikrok8s**
     * Documentation: <https://microk8s.io/>
     * One machine, Linux based, either physical machine or virtual. It could also be your own PC!
 
-We recommend Minikube, which is easy to set up and use. The following
-comments on two considerations:
-
-* If you want to install Minikube on a Linux machine (either a
-  physical machine or a VM on your laptop or in the cloud), you will
-  need to follow the instructions at <https://github.com/kubernetes/minikube#linux-continuous-integration-without-vm-support>.
-
-* If you want to run Minikube directly on your Windows or MacOS
-  system, you will need to follow the instructions at
-  <https://kubernetes.io/docs/getting-started-guides/minikube/#installation>.
-
 ## Done?
 
-Once you are done, you are ready to install Kubctl and Helm, so return to 
+Once you are done, you are ready to install Kubctl and Helm, so return to
 [here](kubernetes.md#get-your-kubeconfig-file) in the installation guide.
diff --git a/prereqs/kubernetes.md b/prereqs/kubernetes.md
index c259de9..7a3e3d0 100644
--- a/prereqs/kubernetes.md
+++ b/prereqs/kubernetes.md
@@ -10,7 +10,7 @@
 
 ## Install Kubernetes
 
-The following sections offer pointers and scripts to install your favorite
+The following sections, [Single Node Cluster](k8s-single-node.md) and [Multi Node Cluster](k8s-multi-node.md), offer pointers and scripts to install your favorite
 version of Kubernetes. Start there, then come back here and follow the
 steps in the following three subsections.