~/d/stacks (master|✔) $ kubectl --namespace=default get ns
NAME                  STATUS    AGE
default               Active    23h
gitlab-managed-apps   Active    23h
kube-public           Active    23h
kube-system           Active    23h
~/d/stacks (master|✔) $ kubectl --namespace=gitlab-managed-apps get po
NAME                                                     READY     STATUS    RESTARTS   AGE
ingress-nginx-ingress-controller-69c8bdd985-58x5g        1/1       Running   0          23h
ingress-nginx-ingress-default-backend-5f5888cc9b-7g2jd   1/1       Running   0          23h
tiller-deploy-6dd5d75c8-m5k4q                            1/1       Running   0          23h