Log locations
| Service | Log |
|---|
| Apache (global) | /var/log/apache2/error.log |
| Apache (per client) | /var/www/clients/<client>/logs/ |
| PHP-FPM errors | /var/www/clients/<client>/logs/php_errors.log |
| Postfix | journalctl -u postfix |
| Dovecot | journalctl -u dovecot |
| Roundcube | /var/log/roundcube/errors.log |
| Fail2ban | journalctl -u fail2ban |
| Redis | /var/log/redis/redis-server.log |
Common issues
Website shows default Apache page
a2ensite domain.com.conf && systemctl reload apache2
PHP not executing (shows as text)
PHP_VER=$(php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;')
systemctl status php${PHP_VER}-fpm
# Check pool exists:
ls /etc/php/${PHP_VER}/fpm/pool.d/
Webmail 500 error
tail -20 /var/log/apache2/error.log
tail -20 /var/log/roundcube/errors.log
Mail not sending / going to spam
postqueue -p # check queue
journalctl -u postfix -n 50 --no-pager
# Ensure DKIM is set up:
cx1-add-dkim.sh domain.com
rspamadm dkim_verify -s mail -d domain.com < /dev/null
SFTP connection refused
# Verify key is installed
cat /etc/cx1/authorized_keys/clientname
# Verify client is in cx1clients group
id clientname
# Check SSH config
sshd -T | grep -i chroot
Dovecot config errors
doveconf -n # show non-default config
doveadm auth test user@domain.com password # test login
Service restart commands
systemctl restart apache2
systemctl restart php${PHP_VER}-fpm # replace ${PHP_VER}
systemctl restart mariadb
systemctl restart postfix
systemctl restart dovecot
systemctl restart rspamd
systemctl restart clamav-daemon
systemctl restart redis-server
systemctl restart fail2ban