It was fine until I installed the turn server to enable WebRTC Its a google cloud server, under Firefall but I open the ports and test with netcat, just like the tutorial says.
Potential problems described below:
# IP does not match:
# IP from ifconfig: 10.142.0.2
# /etc/nginx/sites-available/bigbluebutton: live.MYSITE.com
# Warning: API URL IPs do not match host:
#
# IP from ifconfig: 10.142.0.2
# /var/lib/tomcat7/webapps/demo/bbb_api_conf.jsp: live.MYSITE.com
# Not running: LibreOffice
....................
# Error: Could not connect to the configured hostname/IP address
#
# https://live.MYSITE.com/
#
# If your BigBlueButton server is behind a firewall, see FAQ.
# Warning: The setting of EXTERNAL-IP for proxy_pass in
#
# /etc/bigbluebutton/nginx/sip.nginx
#
# does not match the local IP address (10.142.0.2).
# (This is OK if you've manually changed the values)
# Warning: The API demos are installed and accessible from:
#
# https://live.MYSITE.com/demo/demo1.jsp
#
# These API demos allow anyone to access your server without authentication
# to create/manage meetings and recordings. They are for testing purposes only.
# If you are running a production system, remove them by running:
#
# sudo apt-get purge bbb-demo