- The guest additions on this VM do not match the install version of VirtualBox.
- detected “cgroupfs” as the Docker cgroup driver. The recommended driver is “systemd”
- Unable to connect to the server: x509: certificate is valid for x.x.x.x” error.
- 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”)
- Kubelet folder is missing on worker node.
- No supported authentication methods available [server sent:publickey]