How to generate kubernetes dashboard access token

1. Create the dashboard service account

Run the following command to create a service account

kubectl create serviceaccount kubernetes-dashboard-admin-sa -n kube-system

The command will create a service account in the namespace of kube-system. replace your namespace instate of kube-system

2. Bind the service account to the cluster-admin role

kubectl create clusterrolebinding kubernetes-dashboard-admin-sa --clusterrole=cluster-admin --serviceaccount=kube-system:kubernetes-dashboard-admin-sa

3. List Secretes

kubectl get secrets -n kube-system

if you using kubernetes 1.23 or above please use following to get secret

kubectl -n kube-system create token kubernetes-dashboard-admin-sa --duration=8760h 
# --duration=8760h   1 year
# --duration=87600h  10 years

then you dont have to follow step 4.

4. get the token from secret

kubectl describe secret kubernetes-dashboard-admin-sa-token-lj8cc -n kube-system

Here your secret name can be different. Now copy the token and use it to login kubernetes dashboard.