title: QXcbConnection: Could not connect to display Aborted, when installing QT on linux
body: <p>I am trying to install Qt on a Linux machine remotely from a Windows machine using PuTTY.
  When I run the command to install Qt on Linux I get the following error:</p>
  
  <pre><code>~/QT#  ./qt-unified-linux-x64-2.0.4-online.run
  QXcbConnection: Could not connect to display
  Aborted
  </code></pre>
  
  <p>Please suggest any workaround.</p>