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Cheatsheet for Kubernetes (MiniKube & Kubectl)

ssmak

Steve Mak

Posted on June 25, 2020

Cheatsheet for Kubernetes (MiniKube & Kubectl)

MiniKube

Ref: https://kubernetes.io/docs/setup/learning-environment/minikube/

Start up a single node Kubernetes cluster

minikube start --kubernetes-version=<version> --driver=<driver_name>
------
e.g.
minikube start --kubernetes-version=v1.18.0 --driver=docker

Minikube supports the following drivers:
---
docker, virtualbox, podman, vmwarefusion, kvm2, hyperkit, hyperv, vmware, parallels, none
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Get the status

minikube status
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Visit the dashboard

minikube dashboard
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Stop a cluster

minikube stop
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Delete a cluster

minikube delete
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List available addons

minikube addons list
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Enable an addon

minikube addons enable metrics-server
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Disable an addon

minikube addons disable metrics-server
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Proxy to a cluster service

minikube service <service_name>
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Kubectl

Set the cluster configuration file that Kubectl should refer

kubectl config use-context minikube
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Show the Kubernetes client and server versions

kubectl version
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Create deployment

kubectl create deployment hello-node --image=k8s.gcr.io/echoserver:1.4
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View deployments

kubectl get deployments
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View pods

kubectl get pods
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View services

kubectl get services
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View pods and services

kubectl get pod,svc -n kube-system
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View events

kubectl get events
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View kubectl configuration

kubectl config view
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Expose the pod to the public internet

kubectl expose deployment hello-node --type=LoadBalancer --port=8080
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Delete the services

kubectl delete service hello-node
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Delete the deployments

kubectl delete deployment hello-node
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YAML Reference

Deployment

Example 1 

apiVersion: apps/v1
kind: Deployment
metadata:
  name: helloworld-web
  labels:
    app: helloworld-web
    tier: frontend
spec:
  replicas: 2
  selector:
    matchLabels:
      app: helloworld-web
      tier: frontend
  template:
    metadata:
      labels:
        app: helloworld-web
        tier: frontend
    spec:
      containers:
      - name: helloworld-web
        image: ssmak/helloworld_web:latest
        ports:
        - containerPort: 80
        - containerPort: 443
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ssmak
Steve Mak

Posted on June 25, 2020

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Cheatsheet for Kubernetes (MiniKube & Kubectl)
cheatsheet Cheatsheet for Kubernetes (MiniKube & Kubectl)

June 25, 2020