kubectl rollout undo deployment code example

Example 1: kubernetes get deployments

# Get pods in default namespace
kubectl get deployments

#Get Pods in my-namespace
kubectl get deployments -n my-namespace

#Get Pods in all namespaces
kubectl get deployments --all-namespaces

Example 2: scale deployment

# scale deployment in the default namespace, named myDeploymentName to have 3 pods
kubectl scale deployment/myDeploymentName --replicas=3

# scale deployment in the myNamespace namespace, named myDeploymentName to have 3 pods
kubectl scale deployment/myDeploymentName --replicas=3 -n myNamespace