$ kubectl delete all --all --all-namespaces
pod "busybox" deleted
pod "hello-world" deleted
pod "helloworld-deployment-6c54b87b6f-48hbx" deleted
pod "init-sample" deleted
pod "nginx" deleted
pod "normal-end--1-4dzps" deleted
pod "normal-end--1-4hbpm" deleted
pod "normal-end--1-82j8m" deleted
pod "normal-end--1-8j2tj" deleted
pod "normal-end--1-s4vsc" deleted
pod "normal-end--1-sqhk5" deleted
pod "web-deploy-86cd4d65b9-5bbtr" deleted
pod "web-deploy-86cd4d65b9-hhjrp" deleted
pod "web-deploy-86cd4d65b9-p7q2h" deleted
pod "webapl" deleted
pod "webserver" deleted