Hi Folks,
I found that Rancher have a free certification. Rancher is Kubernetes but not a build it yourself one like Kubeadm. They also created the k3s version of Kuberentes that runs on a lot of appliances.
I have gone through the first lessons and they are very straight forward.
https://academy.rancher.com/courses/course-v1:RANCHER+K101+2019/about
cheers