Here are the 5 free short courses on Kubernetes you can opt today.
(The links look ugly and too big so I have shortened the links with Bitly.)
Learn Devops Kubernetes deployment by kops and terraform - http://bit.ly/2SYynLY
Just enough kubernetes to be dangerous - http://bit.ly/2IwtNjj
Containers 101 - http://bit.ly/2U5BYEG
Kubernetes Quick Basics with Docker - http://bit.ly/2Tdm11P
Net DevOps: Cisco Python, Automation, NETCONF, SDN, Docker - http://bit.ly/2BPvJxs
Note: I am not affiliated to any of the brands here (All these links are from Udemy). On LinkedIn, most of the guys asked me some free resources to learn on kubernetes and DevOps, so I thought these links are useful.