title: Minikube install in Ubuntu vm_VT-X/AMD-v enabling to VM inside another VM
body: <p>I'm tring to install minikube in Ubuntu vm (in virtual box). I have enabled VT-X/AMD-v for the vm. But i'm getting following error.</p>
  
  <pre><code># minikube start
  Starting local Kubernetes cluster...
  E0217 15:00:35.395801    3869 start.go:107] Error starting host: Error creating host: Error with pre-create check: "This computer doesn't have VT-X/AMD-v enabled. Enabling it in the BIOS is mandatory".
  
   Retrying.
  E0217 15:00:35.396019    3869 start.go:113] Error starting host:  Error creating host: Error with pre-create check: "This computer doesn't have VT-X/AMD-v enabled. Enabling it in the BIOS is mandatory"
  ================================================================================
  An error has occurred. Would you like to opt in to sending anonymized crash
  information to minikube to help prevent future errors?
  To opt out of these messages, run the command:
      minikube config set WantReportErrorPrompt false
  ================================================================================
  Please enter your response [Y/n]:
  </code></pre>
  
  <p>I found a <a href="https://github.com/docker/machine/issues/2256" rel="noreferrer">reference</a>, according to that, we can not have virtualization inside virtualization. Is it true? How can i fix this?</p>