title: Vagrant: Pruning invalid NFS exports. Administrator privileges will be required
body: <p>While i am trying to run:
  vagrant up i got the following </p>
  
  <pre><code>[default] Running provisioner: file...
  [default] Forcing shutdown of VM...
  [default] Destroying VM and associated drives...
  Pruning invalid NFS exports. Administrator privileges will be required...
  [default] Running cleanup tasks for 'shell' provisioner...
  [default] Running cleanup tasks for 'file' provisioner...
  [default] Running cleanup tasks for 'shell' provisioner...
  [default] Running cleanup tasks for 'puppet' provisioner...
  /usr/lib/ruby/vendor_ruby/net/scp.rb:392:in `await_response_state': scp: ~/.bash_profile: No such file or directory (RuntimeError)
      from /usr/lib/ruby/vendor_ruby/net/scp.rb:363:in `block (3 levels) in start_command'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/channel.rb:311:in `call'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/channel.rb:311:in `process'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/session.rb:217:in `block in preprocess'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/session.rb:217:in `each'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/session.rb:217:in `preprocess'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/session.rb:200:in `process'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/session.rb:164:in `block in loop'
      from /usr/lib/ruby/vendor_ruby/net/ssh/connection/session.rb:164:in `loop'
  .
  .
  .
  .
  .
  </code></pre>
  
  <p>I am using the following versions:
  ubuntu 14.04LTS
  Vagrant 1.4.3
  Virtualbox 4.3.36</p>
  
  <p>these are my tries but no luck:</p>
  
  <pre><code>sudo rm /etc/exports
  sudo touch /etc/exports
  
  vagrant halt
  vagrant up --provision
  
  $ vagrant plugin install vagrant-vbguest
  </code></pre>