[useless] Tips

Question 1

Set an alias for ‘kubectl’

Answer 1

alias k=kubectl

Question 2

Generate a declarative configuration file for a pod using an imperative command

Answer 2

kubectl run p1 –image=nginx –restart=Never –dry-run=client -o yaml > p1.yaml

Question 3

Generate a declarative configuration file for a deployment using an imperative command

Answer 3

k run d1 –image=nginx –dry-run -o yaml > d1.yaml

Question 4

Generate a declarative configuration file for a job using an imperative command

Answer 4

kubectl run j1 –image=nginx –restart=OnFailure –dry-run=client -o yaml > j1.yaml

Question 5

Generate a declarative configuration file for a cronjob using an imperative command

Answer 5

kubectl run cj1 –image=nginx –restart=OnFailure –schedule=”*/1 * * * *” –dry-run=client -o yaml > cj1.yaml

Question 6

Shortcut (alias) for configmaps?

Answer 6

cm

Question 7

Shortcut (alias) for namespaces?

Answer 7

ns

Question 8

Shortcut (alias) for nodes?

Answer 8

nodes

(trick question, there is no shortcut)

Question 9

Shortcut (alias) for persistent volume claims?

Answer 9

pvc

Question 10

Shortcut (alias) for persistent volumes?

Answer 10

pv

Question 11

Shortcut (alias) for pods?

Answer 11

po

Question 12

Shortcut (alias) for statefulsets?

Answer 12

sts

Question 13

Shortcut (alias) for resource quotas?

Answer 13

quota

Question 14

Shortcut (alias) for service accounts?

Answer 14

sa

Question 15

Shortcut (alias) for services?

Answer 15

svc

Question 16

Shortcut (alias) for deployments?

Answer 16

deploy

Question 17

Shortcut (alias) for replica sets?

Answer 17

rs

Question 18

Shortcut (alias) for cronjobs?

Answer 18

cj

Question 19

Shortcut (alias) for jobs?

Answer 19

jobs
(trick question, there is no alias!)

Question 20

Shortcut (alias) for ingresses?

Answer 20

ing

Question 21

Shortcut (alias) for storage classes?

Answer 21

sc

Question 22

Shortcut (alias) for network policies?

Answer 22

netpol

Question 23

bash alias for setting namespace for current context

Answer 23

alias kn=’kubectl config set-context –current –namespace ‘

Question 24

create a vim configuration for two spaces when tab key is pressed

Answer 24

vim ~/.vimrc
set tabstop=2
set expandtab

Question 25

Provide a pod within the cluster from which to shell into to curl other pods

Answer 25

kubectl run -it --rm curl --image=radial/busyboxplus:curl --restart=Never

Question 26

What is the shortcut imperative command for getting all pods in all namespaces?

Answer 26

k get po -A

Question 27

Imperative command to get the logs of a previous instance of a pod?

(e.g. for a pod named po1)

Answer 27

kubectl logs po1 -p