Kubernetes Node Deployment Problems

Error Messages

  1. The guest additions on this VM do not match the install version of VirtualBox.
  2. detected “cgroupfs” as the Docker cgroup driver. The recommended driver is “systemd”
  3. Unable to connect to the server: x509: certificate is valid for x.x.x.x” error.
  4. Unable to connect to the server: x509: certificate signed by unknown authority (possibly because of “crypto/rsa: verification error” while trying to verify candidate authority certificate “kubernetes”)
  5. Kubelet folder is missing on worker node.
  6. No supported authentication methods available [server sent:publickey]
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