Start the WebHCat server.
<login as $WEBHCAT_USER> su -hcat -c '/usr/lib/hive-hcatalog/sbin/webhcat/_server.sh --config /etc/hcatalog/conf/webhcat start'
From the browser, type:
http://$WebHCat.server.full.hostname:50111/templeton/v1/status
You should see the following output:
{"status":"ok","version":"v1"}