Look in the files
PHP ini would be in one of these locations with the paths slightly different depending on version
/usr/local/lsws/lsphp73/etc/php.ini
/usr/local/lsws/lsphp73/etc/php/7.3/litespeed/php.ini
Other information See
https://docs.cyberpanel.net/doku.php?id=start
https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:php:503-errors
Config files:
grep log /usr/local/lsws/conf/httpd_config.xml
Services
Restart Powerdns
service pdns restart
systemcl restart pdns
Restart Mysql/Mariadb
service mysql restart
systemcl restart mysql
Restart Cyberpanel control daemon
service lscpd restart
service gunicorn restart
Restart webserver
service lsws restart
systemctl restart lsws
CyberPanel
/home/cyberpanel/error-logs.txt
/usr/local/lscp/cyberpanel/logs/error.log
/usr/local/lscp/cyberpanel/logs/access.log
/usr/local/lscp/cyberpanel/logs/stderr.log
Litespeed/Openlitespeed
/usr/local/lsws/logs/error.log
/usr/local/lsws/logs/access.log
/usr/local/lsws/logs/auditmodsec.log