title: not able to start minikube on mac
body: <p>I am trying to setup minikube on my mac machine</p>
  
  <p>Below are environment:</p>
  
  <pre><code>nhs-MBP:~ anhtrang$ minikube version
  minikube version: v0.26.1
  anhs-MBP:~ anhtrang$ echo "";
  
  anhs-MBP:~ anhtrang$ echo "OS:";
  OS:
  anhs-MBP:~ anhtrang$ cat /etc/os-release
  cat: /etc/os-release: No such file or directory
  anhs-MBP:~ anhtrang$ echo "";
  
  anhs-MBP:~ anhtrang$ echo "VM driver":
  VM driver:
  anhs-MBP:~ anhtrang$ grep DriverName ~/.minikube/machines/minikube/config.json
      "DriverName": "virtualbox",
  anhs-MBP:~ anhtrang$ echo "";
  
  anhs-MBP:~ anhtrang$ echo "ISO version";
  ISO version
  anhs-MBP:~ anhtrang$ grep -i ISO ~/.minikube/machines/minikube/config.json
          "Boot2DockerURL": "file:///Users/anhtrang/.minikube/cache/iso/minikube-v0.26.0.iso",
  </code></pre>
  
  <p>Got following error:</p>
  
  <pre><code>nhs-MBP:~ anhtrang$ Starting local Kubernetes v1.10.0 cluster...
  -bash: Starting: command not found
  anhs-MBP:~ anhtrang$ Starting VM...
  -bash: Starting: command not found
  anhs-MBP:~ anhtrang$ E0420 08:24:57.963653   81977 start.go:159] Error starting host: Temporary Error: Error configuring auth on host: OS type not recognized.
  </code></pre>
  
  <p>Please advise</p>