Cpanel log locations

Apache:
/usr/local/apache/logs/access_log
/usr/local/apache/logs/error_log

MySQL:
/var/lib/mysql/hostname.err

cPanel Installation Logs:
/var/log/cpanel-install-thread0.log

Apache domlogs:
/usr/local/apache/domlogs/example.com

cPanel Access Log:
/usr/local/cpanel/logs/access_log

cPanel Error Log:
/usr/local/cpanel/logs/error_log

ModSecurity:
/usr/local/apache/logs/modsec_audit.log
/usr/local/apache/logs/modsec_debug_log

Cron Logs:
var/log/cron

Apache SUEXEC Logs:
/usr/local/apache/logs/suexec_log

Exim:
/var/log/exim_mainlog
/var/log/exim_paniclog
/var/log/exim_rejectlog

BIND (named) Log:
/var/log/messages

Courier or Dovecot IMAP:
/var/log/maillog

Tomcat Logs:
/usr/local/jakarta/tomcat/logs/catalina.err
/usr/local/jakarta/tomcat/logs/catalina.out

cPanel Error Log:
/usr/local/cpanel/logs/error_log

cPanel License Log:
/usr/local/cpanel/logs/license_log

cPHulkd:
/usr/local/cpanel/logs/cphulkd.log

Stats Execution Logs:
/usr/local/cpanel/logs/stats_log

cPanel Backup Logs:
/usr/local/cpanel/logs/cpbackup/*.log

ChkServd (cPanel Monitoring Daemon) Logs:
/var/log/chkservd.log

SSH Logs:
/var/log/secure

Pure-FTP:
/var/log/messages
/var/log/xferlog (symlinked to /usr/local/apache/domlogs/ftpxferlog)