Difference between revisions of "Kubernetes namespaces"
Jump to navigation
Jump to search
| Line 1: | Line 1: | ||
| + | Kubernetes starts with four initial namespaces: | ||
| + | * <code>default</code> The default namespace for objects with no other namespace | ||
| + | * <code>kube-system</code> The namespace for objects created by the Kubernetes system | ||
| + | * <code>kube-public</code> This namespace is created automatically and is readable by all users (including those not authenticated). This namespace is mostly reserved for cluster usage, in case that some resources should be visible and readable publicly throughout the whole cluster. The public aspect of this namespace is only a convention, not a requirement. | ||
| + | * <code>kube-node-lease</code> This namespace holds Lease objects associated with each node. Node leases allow the kubelet to send heartbeats so that the control plane can detect node failure. | ||
| + | |||
| + | |||
* https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/ | * https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/ | ||
Revision as of 06:50, 20 July 2022
Kubernetes starts with four initial namespaces:
defaultThe default namespace for objects with no other namespacekube-systemThe namespace for objects created by the Kubernetes systemkube-publicThis namespace is created automatically and is readable by all users (including those not authenticated). This namespace is mostly reserved for cluster usage, in case that some resources should be visible and readable publicly throughout the whole cluster. The public aspect of this namespace is only a convention, not a requirement.kube-node-leaseThis namespace holds Lease objects associated with each node. Node leases allow the kubelet to send heartbeats so that the control plane can detect node failure.
kubectl get namespaces- Default namespaces:
defaultandkube-system
kubectl create namespace MY_TEST_NAMESPACE namespace/MY_TEST_NAMESPACE created
kubectl create ns MY_TEST_NAMESPACE namespace/MY_TEST_NAMESPACE created
kubectl get all --all-namespaceskubectl get pods --all-namespaces
Activities
Related terms
kind: namespacehelm listhelm install -n, --namespaceNo resources found in default namespace.kubectl get configmaps -Adefault, kube-node-lease, kube-public, kube-system
EKS
See also
kubectl: [cp | config | create|delete|edit | explain |apply|exec|get|set|drain | uncordon | rolling-update|rollout|logs|run|auth|label | annotate|version|top|diff|debug|replace|describe|port-forward | proxy|scale|rollout|api-resources| expose deployment | expose | patch | attach | get endpoints | ~/.kube/config | kubectl logs --help | kubectl --help, kubectl-convert, kubectl autoscale, kubectl.kubernetes.io- Kubernetes namespaces:
kubectl get namespaces,kube-system namespace,--namespace
Advertising:
