Creating custom namespaces in Kubernetes - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to create a new namespace named 'dev'.

Kubernetes

kubectl create namespace [1]

Drag options to blanks, or click blank then click option'

Adevelopment

Bprod

Cdev

Ddefault

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'default' which is a pre-existing namespace.

Misspelling the namespace name.

Omitting the namespace name.

The command kubectl create namespace dev creates a new namespace called 'dev'.

2fill in blank

medium

Complete the command to list all namespaces in the cluster.

Kubernetes

kubectl get [1]

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Anamespaces

Bpods

Cservices

Dnodes

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'pods' or 'services' instead of 'namespaces'.

Using singular form like 'namespace' which is incorrect.

The command kubectl get namespaces lists all namespaces in the Kubernetes cluster.

3fill in blank

hard

Fix the error in the command to delete the namespace named 'test'.

Kubernetes

kubectl delete [1] test

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Anode

Bnamespace

Cservice

Dpod

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'pod' or 'service' instead of 'namespace'.

Omitting the resource type.

To delete a namespace, use kubectl delete namespace test. Using 'namespace' is correct.

4fill in blank

hard

Fill both blanks to create a namespace using a YAML file named 'ns.yaml'.

Kubernetes

kubectl [1] -f [2]

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Aapply

Bcreate

Cdelete

Dns.yaml

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'apply' instead of 'create' for initial creation.

Using wrong file name or omitting the file.

The command kubectl create -f ns.yaml creates resources defined in the YAML file, including namespaces.

5fill in blank

hard

Fill all three blanks to define a namespace named 'staging' in a YAML manifest.

Kubernetes

apiVersion: v1
kind: [1]
metadata:
  name: [2]
  labels:
    environment: [3]

Drag options to blanks, or click blank then click option'

ANamespace

Bstaging

Cstaging-env

DPod

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'Pod' instead of 'Namespace' for kind.

Incorrect or missing name and label values.

This YAML defines a namespace resource named 'staging' with a label 'environment: staging-env'.