Kubernetes is a distributed cluster technology that manages container-based systems in a declarative manner using an API. There are currently many learning resources to get started with the fundamentals of Kubernetes, but there is less information on how to manage Kubernetes infrastructure on an ongoing basis. Written by Chris Gaun, Kubernetes Engine Product Manager for D2iQ, This Refcard aims to deliver quick, accessible information for operators using any Kubernetes product.

• About Kubernetes
• Basics
• Kubectl
• Commands
• Managing Nodes
• Test Plan
• Security and Troubleshooting
• General Debugging
• Troubleshooting with Curl
• Feeding Results to Other Things
• Troubleshooting with jq