Cloud & on-Prem Clusters, Images, Debug Container & Pods, kubectl

Kubernetes = K8s

Observability = Olly

https://github.com/kubernetes-sigs/kind/releases

1. Clusters:

What is cluster: cluster is a group of nodes

How to install kind

kind cluster:

# To create a kind cluster: which is a single node cluster
kind create a cluster --name suraj

A configuration file to create a double node cluster:

# cluster.yaml
kind: cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  image: kindest/node:v1.31.0@sha256:53df588e04085fd41ae12de0c3fe4c72f7013bba32a20e7325357a1ac94ba865
- role: worker-node
  image: kindest/node:v1.30.3@sha256:bf91e1ef2f7d92bb7734b2b896b3dddea98f0496b34d96e37dd5d7df331b7e56

Note: The worker node’s current running version can’t be greater than the control plane (master node).

Why: Because some backward compatibility issues occur.

Note the command to create the double node cluster:

kind create cluster --name day3 --config cluster.yaml