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Kubernetes dashboard

Kubectl proxy
  • creates a proxy server between localhost and the Kubernetes API Server
  • uses connection as configured in the kubeconfig
  • Run kubectl proxy command at your master node cks-master
Kubectl port-forward
Install kubenretes dashboard
kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.5.0/aio/deploy/recommended.yaml
Create SSH tunnel to cks-master
ssh -i  ~/.ssh/google_compute_engine -L8001:127.0.0.1:8001 jantoth@35.198.101.56
Find a token belonging to kubernetes-dashboard serviceaccount
kubectl  get secret kubernetes-dashboard-token-c7j68 -n kubernetes-dashboard  -ojsonpath='{.data.token}' | base64 -d
How to enable insecure HTTP at kubernetes dashboard
hugo % k edit deployments.apps -n kubernetes-dashboard kubernetes-dashboard
deployment.apps/kubernetes-dashboard edited

...
    matchLabels:
      k8s-app: kubernetes-dashboard
  strategy:
    rollingUpdate:
      maxSurge: 25%
      maxUnavailable: 25%
    type: RollingUpdate
  template:
    metadata:
      creationTimestamp: null
      labels:
        k8s-app: kubernetes-dashboard
    spec:
      containers:
      - args:
        # - --auto-generate-certificates            < ------- disable this option !!!
        - --namespace=kubernetes-dashboard
        - --insecure-port=9090                      < ------- add this option !!!
        image: kubernetesui/dashboard:v2.5.0
        imagePullPolicy: Always
        livenessProbe:

        ...
        PLUS adjust readiness and livenessProbe ...
        ...


# edit service too
k edit svc -n kubernetes-dashboard kubernetes-dashboard
apiVersion: v1
kind: Service
metadata:
  ...
  ...
  ports:
  - nodePort: 30222
    port: 9090
    protocol: TCP
    targetPort: 9090
  selector:
    k8s-app: kubernetes-dashboard
  sessionAffinity: None
  type: NodePort

author image

Jan Toth

I have been in DevOps related jobs for past 6 years dealing mainly with Kubernetes in AWS and on-premise as well. I spent quite a lot …

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