title: HTTP ERROR 404 while accessing /solr/admin/ping. Reason: Not Found in ubuntu 16.04
body: <p>Installed SOLR 7.3.0 in ubuntu 16.04, i am able to access solr link (<a href="http://localhost:8983/solr" rel="nofollow noreferrer">http://localhost:8983/solr</a>) in browser. But admin link(<a href="http://localhost:8983/solr/admin/ping" rel="nofollow noreferrer">http://localhost:8983/solr/admin/ping</a>) are giving 404 error.
  Permissions given to /var/solr/data, still i have problem.</p>