The following commands can be used for environment diagnosis.

1. Run kubectl get nodes to list all nodes registered in Kubernetes.
2. Run kubectl get pods -n hcm1 to see all HCM microservices are up and running.
3. Run kubectl get pods -n core to see core microservices are up and running.
4. Run kubectl describe pods -n <namespace> <pod_id> to see details of the particular pod.
5. Run kubectl logs -n <namespace> <pod_id> -c <container_id> to see logs of the particular docker container in the particular pod (run without -c parameter to see which containers the pod consists of).
6. Run kubectl delete -n <namespace> <pod_id> to restart the particular pod (Kubernetes re-create a pod if deleted manually).