code: def virtualbox_host():
      '''Install a VirtualBox host system.
  
      More Infos:
       * overview:     https://wiki.ubuntuusers.de/VirtualBox/
       * installation: https://wiki.ubuntuusers.de/VirtualBox/Installation/
      '''
      if query_yes_no(question='Uninstall virtualbox-dkms?', default='yes'):
          run('sudo apt-get remove virtualbox-dkms')
      install_packages([
          'virtualbox',
          'virtualbox-qt',
          'virtualbox-dkms',
          'virtualbox-guest-dkms',
          'virtualbox-guest-additions-iso',
      ])
      users = [env.user]
      for username in users:
          run(flo('sudo  adduser {username} vboxusers')f virtualbox_host():
      '''Install a VirtualBox host system.
  
      More Infos:
       * overview:     https://wiki.ubuntuusers.de/VirtualBox/
       * installation: https://wiki.ubuntuusers.de/VirtualBox/Installation/
      '''
      if query_yes_no(question='Uninstall virtualbox-dkms?', default='yes'):
          run('sudo apt-get remove virtualbox-dkms')
      install_packages([
          'virtualbox',
          'virtualbox-qt',
          'virtualbox-dkms',
          'virtualbox-guest-dkms',
          'virtualbox-guest-additions-iso',
      ])
      users = [env.user]
      for username in users:
          run(flo('sudo  adduser {username} vboxusers'))
docs: Install a VirtualBox host system.
  
      More Infos:
       * overview:     https://wiki.ubuntuusers.de/VirtualBox/
       * installation: https://wiki.ubuntuusers.de/VirtualBox/Installation/