title: must be configured to display at least 256 colour
body: <p>While installing Oracle 19c Client, I am getting this error.</p>
  <pre><code>Chencking monitor: must be configured to display at least 256 colors
  &gt;&gt;&gt; Could not execute auto check for display colors using command /usr/bin/xdpyinfo. Check if the DISPLAY vairable is set. 
  Failed &lt;&lt;&lt;&lt;
  Some requirement checks failed. You must fulfill these requirements before continuing with the installation
  </code></pre>
  <p>I dont use Putty or mobaxterm. I using Linux's own terminal on virtual machine.</p>