kubectl create namespace

C++
kubectl config set-context --current --namespace=my-namespacekubectl config set-context --current --namespace=<insert-namespace-name-here>
# Validate it
kubectl config view --minify | grep namespace:# cli
kubectl create ns test-namespace

# or in yaml
---
apiVersion: v1
kind: Namespace
metadata:
  name: test-namespace# Create Namespace in current cluster
kubectl create namespace my-namespace# Get Namespaces for current cluster
kubectl get namespaces
Source

Also in C++: