PHP-FPM 5.3 :
/usr/local/apps/php53/var/log/

PHP-FPM 5.4 :
/usr/local/apps/php54/var/log/

PHP-FPM 5.5 :
/usr/local/apps/php55/var/log/

PHP-FPM 5.6 :
/usr/local/apps/php56/var/log/

Apache [Domain Logs| Access Logs | Error Logs | suPHP Logs] :
/usr/local/apps/apache/logs/

Apache2 [Domain Logs| Access Logs | Error Logs] :
/usr/local/apps/apache2/logs/

NGINX [Domain Logs] :
/usr/local/apps/nginx/var/log/

Tomcat 7 :
/usr/local/apps/tomcat/logs/

Lighttpd [Domain Logs| Access Logs | Error Logs] :
/usr/local/apps/lighttpd/var/log/

Service Start/Stop/Restart :
/tmp

EMPS Update :
/tmp/emps.log

Webuzo Installation :
/root/webuzo-install.log

Dovecot:
/var/log/dovecot-debug.log
/var/log/dovecot-info.log
/var/log/dovecot.log

Exim :
/var/log/exim/main.log
/var/log/exim/reject.log
/var/log/exim/panic.log

CRON :
/var/log/cron

MySQL :
/var/log/mysqld.log

MariaDB :
/var/log/mysqld.log

MongoDB :
/var/lib/mongo/mongod.log

Contact support for more information : https://www.softaculous.com/support/