Log files are helpful in troubleshooting issues and in monitoring the performance of cPanel servers. We are here providing a list of Linux and cPanel logs location. It can be changed based on the installations and customization.
System logs
/var/log/messages : General system activity
/var/log/auth.log : Authentication logs
/var/log/secure : Authentication logs in some distributions
/var/log/dmesg : Driver messages
/var/log/kern.log : Kernel logs
/var/log/cron.log : Cron jobs log
/var/log/boot.log : Logs recorded on system boot
cPanel/WHM
/usr/local/cpanel/logs/access_log : cPanel Access log
/usr/local/cpanel/logs/error_log : cPanel Requests and Errors log
/usr/local/cpanel/logs/login_log : cPanel Login errors log
/var/cpanel/accounting.log : cPanel Account activity audit log
Apache logs
/usr/local/apache/logs/access_log
/usr/local/apache/logs/error_log
/usr/local/apache/logs/suexec_log
/usr/local/apache/logs/suphp_log
/usr/local/apache/domlogs/domain.com : The general access log for each domain configured with cPanel.
E-mail Logs
/var/log/maillog : Common mail log
/var/log/qmail/ : Qmail log directory
Exim
/var/log/exim_mainlog
/var/log/exim_paniclog
/var/log/exim_rejectlog
MySQL Log
/var/lib/mysql/hostname.err : MySQL server error log for cPanel server
/var/log/mysqld.log : Common error log
FTP Log
/var/log/xferlog : Contains logging information from the FTP server daemon
Direct Admin Control Panel
/var/log/httpd/domains/domainname.error.log : Error Log
/var/log/httpd/domains/domainname.log : Custom Log
CSF/LFD Log
/var/log/lfd.log
Other Logs
/var/log/lighttpd : Lighttpd access and error logs directory
/var/log/yum.log : Yum log files
