Accessing remote minikube UI via SSH port-forwarding


Get the k8s node’s IP address (the one which runs the dashboard), with:

minikube dashboard --url

Use this IP and do a local port-forwarding, with:

ssh cgiehl@server -L 30000::30000

Today, I was trying out minikube, a simple way to setup a k8s „cluster“ locally and play around with it. Unfortunately, „locally“ didn’t quite work out for me since I was heavily running out of disk space 😀 I’ve heard a lot of ppl and their excitement about running minikube locally, but as soon as you ask them how to quickly run it on a server to mess around, it’s always the same: „On a server you want to setup kubernetes fully!“. Since this was not the answer I was looking for, I took a quick glimpse at my Ubuntu home-server in the corner and gave it a shot!

The installation was super easy and super fast (as expected), however, the moment the official docs stated:

To access the Kubernetes Dashboard, run this command in a shell after starting minikube to get the address:

minikube dashboard

Nothing openend in my SSH login shell 😉 Of course, you can enable X11-forwarding but since the dashboard is accessible via a browser, I wanted to use my local browser anyways. But…

What is the dashboard’s IP?

Now things get interesting and I want to show some ways on how to obtain them. The first thing I tried was

server:~ cgiehl$ kubectl get services --all-namespaces

NAMESPACE     NAME                   TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)         AGE

default       kubernetes             ClusterIP     <none>        443/TCP         41m

kube-system   kube-dns               ClusterIP    <none>        53/UDP,53/TCP   41m

kube-system   kubernetes-dashboard   NodePort    <none>        80:30000/TCP    41m

Now we have the exposed port running on 30000. Still we need the IP address!

A search in the repo gave me, that port 30000 is the default port, specified in the service.yaml.

server:~cgiehl$ kubectl describe nodes minikube
  Hostname:    minikube

After figuring that out, I thought this needs to be easier. It turned out, that there even exists a CLI flag for minikube dashboard it (idk since which version).

server:~ cgiehl$ minikube dashboard --url

which directly gives

Further reading:

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