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MicroK8s : Enable Dashboard2023/06/22

To enable Dashboard on MicroK8s Cluster, Configure like follows.
[1] Enable Dashboard add-on on primary Node.
microk8s enable dashboard

Infer repository core for addon dashboard
Enabling Kubernetes Dashboard
Infer repository core for addon metrics-server
Addon core/metrics-server is already enabled
Applying manifest
serviceaccount/kubernetes-dashboard created
service/kubernetes-dashboard created
secret/kubernetes-dashboard-certs created
secret/kubernetes-dashboard-csrf created
secret/kubernetes-dashboard-key-holder created
configmap/kubernetes-dashboard-settings created created created created created
deployment.apps/kubernetes-dashboard created
service/dashboard-metrics-scraper created
deployment.apps/dashboard-metrics-scraper created
secret/microk8s-dashboard-token unchanged

If RBAC is not enabled access the dashboard using the token retrieved with:

microk8s kubectl describe secret -n kube-system microk8s-dashboard-token

Use this token in the https login UI of the kubernetes-dashboard service.

In an RBAC enabled setup (microk8s enable RBAC) you need to create a user with restricted
permissions as shown in:

microk8s enable dns

Infer repository core for addon dns
Enabling DNS
Using host configuration from /etc/resolv.conf
Applying manifest
serviceaccount/coredns created
configmap/coredns created
deployment.apps/coredns created
service/kube-dns created created created
Adding argument --cluster-domain to nodes.
Adding argument --cluster-dns to nodes.
Restarting kubelet
Restarting nodes.
DNS is enabled

microk8s kubectl get services -n kube-system

NAME                        TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)                  AGE
metrics-server              ClusterIP   <none>        443/TCP                  3m47s
kubernetes-dashboard        ClusterIP    <none>        443/TCP                  2m1s
dashboard-metrics-scraper   ClusterIP   <none>        8000/TCP                 2m1s
kube-dns                    ClusterIP    <none>        53/UDP,53/TCP,9153/TCP   106s

# confirm security token

microk8s config | grep token


# set port-forwarding to enable external access if you need

microk8s kubectl port-forward -n kube-system service/kubernetes-dashboard --address 10443:443

Forwarding from -> 8443
[2] Access to [https://(MicroK8s primary node's Hostname or IP address):10443/] with an web browser on any Client computer in local network. Copy and paste the security token you confirmed on [1] to [Enter token] section and Click [Sing In] button.
[3] After authentication successfully passed, MicroK8s Cluster Dashboard is displayed.
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