<br><div>Greetings,</div><div><strong>I couldn't find solution online.</strong></div><div>I have installed ndn simulator in Ubuntu 18.04 and I am unable to install these packages</div><div>python-pygoocanvas</div><div>python-gnomedesktop</div><div>python-rsvg</div><div>Error<span data-emoji-typing="true">:</span> Unable to locate package.</div><div>I am unable to use visualizer.</div><br><div>Thank You,</div><div>Sai Vinay</div><img class="mailspring-open" alt="Open Tracking" width="0" height="0" style="border:0; width:0; height:0;" src="https://link.getmailspring.com/open/1544111508.local-53294b09-271a-v1.5.3-420ce003@getmailspring.com?recipient=bmRuc2ltQGxpc3RzLmNzLnVjbGEuZWR1">