A Quick Review of Kubernetes etcd

(Jan. 27 2020) – So you’ve got a Kubernetes cluster, now what? etcd is the persistent key-value store that holds the state of a Kubernetes cluster. Every pod, deployment, secret, kubelet – everything about a Kubernetes cluster is stored in etcd. That...

How does Kubernetes Ingress work?

(Jan. 7 2020) – In this quick video, we answer the question of how Ingresses in Kubernetes work. Ingresses manage external access to services and pods within a cluster.  We start with three pods in our cluster, with their IP addresses ending at .9, .17, and...

Using Raw API calls to control Kubernetes

(Jan. 3 2020) – This quick video explains how you configure Kubernetes pods to control Kubernetes itself with raw API calls. Most users interact with Kubernetes using kubectl. kubectl itself is a sophisticated wrapper for “curl” and communicates with a...