PodCTL Basics - What is Kubernetes?

Show: PodCTL Basics #1 Show Overview: The basics of Kubernetes. Show Notes: Kubernetes Concepts Kubernetes Code on GitHub Segment 1 - What is Kubernetes? Technology that spawned from Google’s internal “Borg” system for running application in containers. Open source project donated to the CNCF in 2015. Open source community of 1500+ engineers working on various sub-projects that make up the Kubernetes system. Segment 2 - How does Kubernetes work? etcd Kubernetes API Kubernetes scheduler Kubelet on each worker machine Controllers Segment 3 - What’s the relationship between Kubernetes and Containers? Containers describe what application bits run on a machine Kubernetes is the framework that places containers on machines and ensures that the containers run in a well-defined manner (start/stop, highly available, load-balanced, etc.) Segment 4 - Are there alternative technologies that work similar to Kubernetes? Kubernetes is ultimately a framework that schedules containers Mesos Marathon Docker Swarm Nomad from Hashicorp Lots of homegrown, DIY systems, mostly based on scripting Segment 5 - How can a company get Kubernetes or use Kubernetes? Use the Open source software from the Kubernetes community Use commercially available distributions of Kubernetes from multiple vendors Consume Kubernetes-as-a-Service from multiple cloud providers Feedback? Email: PodCTL at gmail dot com Twitter: @PodCTL Web: http://podctl.com