- To get how many Namespaces exist on the system?
$ kubectl get ns
NAME STATUS AGE
default Active 78d
kube-node-lease Active 78d
kube-public Active 78d
kube-system Active 78d
- How many pods exist in kube-system namespace
$ kubectl get pods -n kube-system
NAME READY STATUS RESTARTS AGE
coredns-864fccfb95-gwtl4 1/1 Running 14 78d
coredns-864fccfb95-qqlmg 1/1 Running 14 78d
etcd-docker-desktop 1/1 Running 14 78d
kube-apiserver-docker-desktop 1/1 Running 15 78d
kube-controller-manager-docker-desktop 1/1 Running 14 78d
kube-proxy-nsmlj 1/1 Running 14 78d
kube-scheduler-docker-desktop 1/1 Running 19 78d
storage-provisioner 1/1 Running 27 78d
vpnkit-controller 1/1 Running 16 78d
- To create a Pod in name
redis from image redis in namespace kube-system
$ kubectl run redis --image=redis --dry-run=client -n kube-system -o yaml > pod.yaml
kubectl -n <namespace> get <resource type> <resource Name> -o yaml.
