-> Check the pods status
e.g.
# kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS
kube-system coredns-78fcdf6894-6ggkk 0/1 Pending
kube-system coredns-78fcdf6894-tm52r 0/1 Pending
-> Check the deployments
# kubectl get deployment --all-namespaces
NAMESPACE NAME DESIRED CURRENT UP-TO-DATE AVAILABLE
kube-system coredns 2 2 2 0
-> Needs to remove the deployments related to pod and service
e.g.
# kubectl delete deployment coredns -n kube-system
deployment.extensions "coredns" deleted
