title: qDebug() stopped to work (no more printing to console) after upgrading to ubuntu 17.10 (and Fedora as well)
body: <p>After upgrading from Ubuntu 17.04 to 17.10, the <code>qDebug()</code> macro stopped working and no longer displays the messages on the console.</p>
  
  <p>How can the debug output be re-enabled in order to see the output of the macro on the console?</p>