Kubernetes Mock Exam 1

 use command line create pod

https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#run

#kubectl run --generator=run-pod/v1 nginx-pod --image=nginx:alpine

use command line create pod with labels tier=msg

#kubectl run --generator=run-pod/v1 messaging --image=redis:alpine --dry-run -o yaml > messaging.yaml

edit the yaml file add labels

metadata:

  labels:

    tier: msg

#kubectl create -f messaging.yaml

create namespace with name apx-x9984574

https://kubernetes.io/docs/tasks/administer-cluster/namespaces-walkthrough/#create-new-namespaces

{

  "apiVersion": "v1",

  "kind": "Namespace",

  "metadata": {

    "name": "apx-x9984574"

  }

}

list node in json format

https://kubernetes.io/docs/reference/kubectl/jsonpath/

#kubectl get nodes -o json > /opt/outputs/nodes-z3444kd9.json

create service with command line

https://kubernetes.io/docs/tasks/access-application-cluster/service-access-application-cluster/

#kubectl expose pod messaging --type=ClusterIP --name=messaging-service --port=6379

create deployment 

#kubectl run hr-web-app --image=kodekloud/webapp-color --replicas=2

create static pod 

cp existing pod yaml file

Change the name

copy the file to /etc/kubernetes/manifests

create pod specific the namespace

#kubectl run --generator=run-pod/v1 temp-bus --image=redis:alpine --namespace=finance

fix the pod issue

find the root cause

create yaml file

delete pod and recreate it

export service

#kubectl expose deployment hr-web-app --type=NodePort --name=hr-web-app-service --port=8080 --target-port=30082

json fetch 

https://kubernetes.io/docs/reference/kubectl/jsonpath/

create pv

https://kubernetes.io/docs/tasks/configure-pod-container/configure-persistent-volume-storage/#create-a-persistentvolume

apiVersion: v1

kind: PersistentVolume

metadata:

  name: pv-analytics

spec:

  capacity:

    storage: 100Mi

  accessModes:

    - ReadWriteMany

  hostPath:

    path: "/pv/data-analytics"