title: VirtualBox to share clipboard and files
body: <p>I use <code>VirtualBox 5.2.6</code> on <code>Windows 10</code>. There is an <code>Ubuntu</code> virtual machine, from which I would like to access to host's clipboard and files.
  I tried to use </p>
  
  <blockquote>
    <p>Machine>Settings >> General>Advanced>Shared Clipboard</p>
  </blockquote>
  
  <p>I also tried </p>
  
  <blockquote>
    <p>Devices>Shared Clipboard>Bidirectional</p>
  </blockquote>
  
  <p>I installed <code>virtualbox-guest-dkms</code> too, but has no effect.</p>