K
Q

How to configure minikube ssh?

12/26/2018

I am trying to start Kubernetes minikube (v0.32.0) using kvm on Ubuntu 18.04 following the

https://kubernetes.io/docs/setup/minikube/

However, it hangs while running: minikube start --vm-driver kvm2 -v 10 or minikube ssh -v 10 with

Error dialing TCP: ssh: handshake failed: ssh: unable to authenticate, attempted methods [none publickey], no supported methods remain.

I can connect to minikube VM with "ssh docker@192.168.39.98", so I believe minikube ssh does not work because it does not use the same parameters. How do I configure it to do it?

  • I did manage to login to minikube through kvm front-end using docker/tcuser and copy my public ssh key but it did not help.
  • My ~/.minikube/machines/minikube/config.json for authentication is:
"AuthOptions": {
            "CertDir": "/home/badgers/.minikube",
            "CaCertPath": "/home/badgers/.minikube/certs/ca.pem",
            "CaPrivateKeyPath": "/home/badgers/.minikube/certs/ca-key.pem",
            "CaCertRemotePath": "",
            "ServerCertPath": "/home/badgers/.minikube/machines/server.pem",
            "ServerKeyPath": "/home/badgers/.minikube/machines/server-key.pem",
            "ClientKeyPath": "/home/badgers/.minikube/certs/key.pem",
            "ServerCertRemotePath": "",
            "ServerKeyRemotePath": "",
            "ClientCertPath": "/home/badgers/.minikube/certs/cert.pem",
            "ServerCertSANs": null,
            "StorePath": "/home/badgers/.minikube"
-- Draif Kroneg
kubernetes
ssh
ubuntu

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1 Answer

12/26/2018

Is your VM really starting? Are you running on bare metal or nested virtualization? Generally, your ssh private key to connect to the VM will be under:

/home/badgers/.minikube/machines/minikube/id_rsa

You can check it with:

$ minikube ssh-key

This is also identified by the SSHKeyPath option in your config:

{
    "ConfigVersion": 3,
    "Driver": {
        "IPAddress": "192.168.x.x",
        "MachineName": "minikube",
        "SSHUser": "docker",
        "SSHPort": 22,
        "SSHKeyPath": "/home/badgers/.minikube/machines/minikube/id_rsa",
        ...
}
-- Rico
Source: StackOverflow