Key Kubernetes Concepts

See below are a good reference to understand Kubernetes Concepts

Architecture

Key Kubernetes Concepts

Comic by Google

https://cloud.google.com/kubernetes-engine/kubernetes-comic

Kubernetes log

kubectl logs -f pod — tail=10

Set Multiple Cluster

export KUBECONFIG=$HOME/.kube/config-work-dev:$HOME/.kube/config-work-prod

# get the current context

kubectl config current-context

# use a different context

kubectl config use-context work-dev

Telepresence: a local development environment for a remote Kubernetes cluster.

telepresence — namespace <name_space> — run-shell

If Dns not resolve service name use below command

sudo killall -HUP mDNSResponder

Error while enabling ingress

Using the Nginx Ingress Controller with Kubernetes | Karim's Blog

Kubernetes nginx-ingress-controller

kubectl -n kube-system expose rs default-http-backend-59868b7dd6 — port=80 — target-port=8080 — name=default-http-backend

Install Ingress by enabling plugin

minikube addons enable ingress

POD Cheat Sheet