check path
vi /var/lib/tomcat7/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties
default path
/var/www/bigbluebutton-
check path
vi /var/lib/tomcat7/webapps/bigbluebutton/WEB-INF/classes/bigbluebutton.properties
default path
/var/www/bigbluebutton-