and next is more important

We've built in a BigBlueButton configuration utility, called bbb-conf, to help you configure your BigBlueButton server and trouble shoot your setup if something doesn't work right.

If you think something isn't working correctly, the first step is enter the following command.

   bbb-conf --check

The --check will check your setup to ensure the correct processes are running, the BigBlueButton components have correctly started, and look for common configuration problems that might prevent BigBlueButton from working properly. For example, here's the output on our demo server

Current Configuration: 
 
/var/www/bigbluebutton/client/conf/config.xml (bbb-client) 
                 IP for tunnel check: demo.bigbluebutton.org 
                  IP for rtmp (red5): demo.bigbluebutton.org 
          host for bbb-web interface: demo.bigbluebutton.org 
 
/etc/nginx/sites-available/bigbluebutton (configuration file nginx) 
                         server_name: demo.bigbluebutton.org 
                                port: 80 
                client document root: /var/www/bigbluebutton 
 
/var/lib/tomcat6/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties (bbb-web) 
                                host: demo.bigbluebutton.org 
 
/var/lib/tomcat6/webapps/bigbluebutton/demo/bbb_api_conf.jsp (API demos) 
                                host: demo.bigbluebutton.org 
 
/etc/asterisk/bbb_extensions.conf (asterisk) 
                   conference module: konference

One common problem is that not all the processes are running. You can do a clean restart of BigBluebutton with the command.

   bbb-conf --clean

If you are accessing the server via an IP address, then another common problem is the IP address in BigBlueButton's configuration files is different than the IP address of the host server. To change all of BigBlueButton's configuration files to use a different IP address, enter

If you need to change your IP address for BigBlueButton, the following command will update all the configuration files and restart the needed processes.

   bbb-conf --setip <ip_address>

for example:bbs-conf --setip 202.11.22.44 or bbs-conf --setip localhost

and then you can visit  or