One of my problems on Synology DSM is to find files. Therefore, I will maintain and update this list regularly. Configurations httpd.conf httpd.conf-user /usr/syno/apache/conf/httpd.conf /usr/syno/apache/conf/httpd.conf-user apc.ini in extensions.ini and user-setting.ini my-huge.cnf my-innodb-heavy-4G.cnf my-large-cnf my-medium.cnf my-small.cnf /usr/syno/mysql/share/mysql/my-huge.cnf /usr/syno/mysql/share/mysql/my-innodb-heavy-4G.cnf /usr/syno/mysql/share/mysql/my-large.cnf /usr/syno/mysql/share/mysql/my-medium.cnf /usr/syno/mysql/share/mysql/my-small.cnf* copy to and rename /etc/my.cnf ** /usr/syno/etc/rc.d/S21mysql.sh restart opcache.ini /etc/php/conf.d/opcache.ini (DSM 5.0) php.ini /usr/syno/etc/php.ini (DSM 4.3) /etc/php/php.ini (DSM 5.0) php extension /usr/syno/etc/php/extension.ini php user settings /usr/syno/etc/php/user-setting.ini Executable apache /usr/syno/etc/rc.d/S97apache-sys.sh /usr/syno/apache/bin/httpd ipkg iptables iptables-save iptables-restore /usr/syno/etc/rc.d/S01iptables.sh /sbin/iptables /sbin/iptables-save /sbin/iptables-restore mysql /usr/syno/etc/rc.d/S21mysql.sh /usr/syno/mysql/bin/mysql php cli /volume0/usr/builtin/bin/php Log Files apache access apache error /var/log/access_log /var/log/httpd-error-user.log * Please modify httpd.conf-user as described in Enable Web Logs to enable. ** Enable error log by enabling “ErrorLog /var/log/httpd-error-user.log” and disabling “ErrorLog /dev/null”. *** Enable access log by enabling and editing “CustomLog /var/log/access_log combined”. Other Files apache modules /usr/syno/apache/modules/ php extensions /usr/lib/php/extensions/ session files /var/spool/php web pages /volume1/web/ /var/services/web Owner: admin Notes Must enable SSH service in [Control Panel] → [Terminal] When use ssh to login, use ssh root@[IP] or some files won’t be executable or editable. The web admin must be login with port 5000 by default. MySQL and phpMyAdmin default account is root, password is blank/empty. https://amigotechnotes.wordpress.com/2014/02/22/synology-dsm-configuration-and-executable-files/