kubectl

Question 1

get node info

Answer 1

kubectl get nodes

Question 2

create my-nginx from nginx with 2 instances and expose 888->80

Answer 2

kubectl run my-nginx –image=nginx –replicas=2 –port=80 –hostport=8001

Question 3

get deployments

Answer 3

kubectl get deployments

Question 4

details of nginx deployment

Answer 4

kubectl describe deployment nginx

Question 5

details of nginx pod

Answer 5

kubectl describe pod nginx

Question 6

expose the container port 80 on the host 8000 binding to the external-ip of the host.

Answer 6

kubectl expose deployment http –external-ip=”172.17.0.7” –port=8000 –target-port=80

Question 7

get services

Answer 7

kubectl get svc

Question 8

details of a service http

Answer 8

kubectl describe svc http

Question 9

scale my-nginx to 3 replicas

Answer 9

kubectl scale –replicas=3 deployment my-nginx

Question 10

deploy spec..yaml to a new cluster

Answer 10

kubectl create -f spec.yaml

Question 11

update spec.yaml to the existing cluster

Answer 11

kubectl apply -f spec.yaml

Question 12

create a replica set

Answer 12

kubectl create -f replicase-definition.yaml

Question 13

list replica sets

Answer 13

kubectl get replicates

Question 14

delete replica set with all underlying pods

Answer 14

kubectl delete replicates my-app-replicaset

Question 15

update the replicaset replicaset-definition.yaml

Answer 15

kubectl replace -f replicaset-definition.yaml

Question 16

scale the replicaset replicaset-definition.yaml

Answer 16

kubectl scale –replicas=6 -f replicase-definition.yaml

Question 17

create a deployment from my-deployment.yaml

Answer 17

kubectl create -f my-deployment.yaml

Question 18

list deployments

Answer 18

kubectl get deployments

Question 19

list deployments, replicasets, pods

Answer 19

kubectl get all

Question 20

rollout status of my-deployment

Answer 20

kubectl rollout status deployment/my-deployment

Question 21

revisions and history of my-deployment

Answer 21

kubectl rollout history deployment/my-deployment

Question 22

see the deployments detail

Answer 22

kubectl describe deployments

Question 23

undo my-deployment - go back to previous version

Answer 23

kubectl rollout undo deployment/my-deployment

Question 24

create a deployment for my-nginx pod with nginx image

Answer 24

kubectl run my-nginx –image=nginx