Config and log locations on a Debian and Ubuntu

Service Config Log
Apache /etc/apache2/apache2.conf
/etc/apache2/conf.d/*
/home/$user/conf/web/apache2.conf
/home/$user/conf/web/sapache2.conf (ssl)
/var/log/apache2/access.log
/var/log/apache2/error.log
/var/log/apache2/domains/$domain.log
/var/log/apache2/domains/$domain.error.log
PHP /etc/php5/apache2/php.ini
/etc/php5/conf.d/*
/var/log/apache2/domains/$domain.error.log
Nginx /etc/nginx/nginx.conf
/etc/nginx/conf.d/*
/home/$user/conf/web/nginx.conf
/home/$user/conf/web/snginx.conf (ssl)
/var/log/nginx/access.log
/var/log/nginx/error.log
/var/log/apache2/domains/$domain.log
/var/log/apache2/domains/$domain.error.log
Named /etc/bind/named.conf
/home/$user/conf/dns/$domain.db
/var/log/syslog
Exim /etc/exim4/exim4.conf.template
/home/$user/conf/mail/$domain/*
/var/log/exim4/mainlog
/var/log/exim/rejectlog
/var/log/exim/paniclog
Dovecot /etc/dovecot/dovecot.conf
/etc/dovecot/conf.d/*
/home/$user/conf/mail/$domain/passwd
/var/log/dovecot.log
ClamAV /etc/clamav/clamd.conf
/etc/clamav/freshclam.conf
/var/log/clamav/clamav.log
/var/log/clamav/freshclam.log
/var/log/exim4/mainlog
SpamAssassin /etc/spamassassin/local.cf /var/log/exim4/mainlog
Roundcube /etc/roundcube/main.inc.php
/etc/roundcube/db.inc.php
/etc/apache2/conf.d/roundcube
/var/log/roundcube/*
/var/log/apache2/domains/$domain.log
/var/log/apache2/domains/$domain.error.log
MySQL /etc/mysql/my.cnf
/root/.my.cnf
/usr/local/vesta/conf/mysql.conf
/var/log/mysql.log
/var/log/mysql/error.log
phpMyAdmin /etc/phpmyadmin/config.inc.php
/etc/apache2/conf.d/phpmyadmin.conf
/var/log/apache2/domains/$domain.log
/var/log/apache2/domains/$domain.error.log
PostgreSQL /etc/postgresql/*/main/postgresql.conf
/etc/postgresql/*/main//pg_hba.conf
/usr/local/vesta/conf/pgsql.conf
/var/log/postgresql/postgresql-*-main.log
phpPgAdmin /etc/phppgadmin/config.inc.php
/etc/apache2/conf.d/phppgadmin
/var/log/apache2/domains/$domain.log
/var/log/apache2/domains/$domain.error.log
Vsftpd /etc/vsftpd.conf /var/log/xferlog
/var/log/syslog
Cron /etc/crontab /var/log/syslog
Vesta /usr/local/vesta/conf/vesta.conf
/usr/local/vesta/conf/mysql.conf
/usr/local/vesta/conf/pgsql.conf
/usr/local/vesta/conf/ftp.backup.conf
/usr/local/vesta/conf/dns-cluster.conf
/usr/local/vesta/nginx/conf/nginx.conf
/usr/local/vesta/php/lib/php.ini
/usr/local/vesta/php/etc/php-fpm.conf
/var/log/vesta/system.log
/var/log/vesta/backup.log
/var/log/vesta/auth.log
/var/log/vesta/nginx-error.log
/usr/local/vesta/php/var/log/php-fpm.log