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 Guide to Linux Plesk Panel Logs and Their Locations
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Guide to Linux Plesk Panel Logs and Their Locations

Plesk Services and Log Locations

This article provides an overview of various Plesk services and their corresponding log locations.

Plesk Panel

The sw-engine is responsible for generating Panel web pages and running internal periodic tasks. It is spawned dynamically by sw-cp-server, which serves them like a web server.

  • Error log: /var/log/sw-cp-server/error_log, /var/log/sw-cp-server/sw-engine.log
  • Access log: /usr/local/psa/admin/logs/httpsd_access_log
  • Panel log: /usr/local/psa/admin/logs/panel.log
  • User actions log: Tools & Settings > Action log

Plesk Installer

The Plesk autoinstaller installs Plesk, its components, and updates.

  • Autoinstaller log: /var/log/plesk/installer/autoinstaller3.log, /tmp/autoinstaller3.log

Single Sign-On (SSO)

SSO allows a user to access multiple applications with a single login.

  • SSO error log: /var/log/sw-cp-server/error_log
  • SSO log: /var/log/sso/sso.log

Note: On SuSE, Debian, and Ubuntu, the Apache service name is apache2. Logs: /var/log/apache2, Configs: /etc/apache2

Plesk Backup Manager

Allows backup and restoration of accounts via Plesk Panel.

  • Backup logs: /usr/local/psa/PMM/logs/backup-<datetime>
  • Restore logs: /usr/local/psa/PMM/logs/restore-<datetime>

Web Presence Builder

Create professional websites without HTML knowledge.

  • Error log: /usr/local/psa/admin/logs/sitebuilder.log
  • Install/Upgrade logs: /usr/local/sb/tmp/

Plesk Migrator

Facilitates migration to newer Plesk versions with pre/post migration checks and error reporting.

  • Logs: /usr/local/psa/var/modules/panel-migrator/logs/

Website Import

Import content from other websites, Linux or Windows, even without Plesk installed.

  • Logs: /usr/local/psa/var/modules/site-import/sessions/

Let’s Encrypt

Provides free SSL certificates for domains through Plesk.

  • Logs: /usr/local/psa/admin/logs/panel.log

Acronis Backup

Reliable cloud backup and self-service recovery.

  • Logs: /var/log/plesk/panel.log, /var/log/trueimage-setup.log, /opt/psa/var/modules/acronis-backup/srv/log/

Plesk Premium Antivirus

Protects mailboxes from viruses, trojans, worms, and malware.

  • Logs: /usr/local/psa/var/log/maillog, /var/drweb/log/*

Health Monitor Manager

Monitors system resources and alerts when thresholds are reached.

  • Logs: /usr/local/psa/admin/logs/health-alarm.log

Web Servers

Apache

  • Global access/error logs: /var/log/httpd/
  • Domain logs: /var/www/vhosts/<domain>/logs
  • Note: Service name is apache2 on SuSE, Debian, Ubuntu. Logs: /var/log/apache2, Configs: /etc/apache2

NGINX

Web server, reverse proxy, and load balancer.

  • Error log: /var/log/nginx/error.log
  • Access log: /var/log/nginx/access.log
  • Domain logs: /var/www/vhosts/<domain>/logs/proxy_access*_log

Tomcat

  • Logs: /var/log/tomcat5/*

ModSecurity Service

  • Logs: /var/log/httpd/modsec_audit.log, /var/www/vhosts/<domain.tld>/logs/error_log

Plesk-PHP

  • Logs: /var/log/plesk-php7x-fpm/

Databases

MySQL / MariaDB

  • Logs: /var/log/mysqld.log
  • CentOS/RHEL: /etc/my.cnf → log-error=/var/log/mariadb/mariadb.log
  • Debian/Ubuntu: /etc/mysql/my.cnf → log_error=/var/log/mysql/error.log

PostgreSQL

  • Logs: /var/lib/pgsql/pgstartup.log

FTP

  • Logs: /usr/local/psa/var/log/xferlog, /var/log/plesk/xferlog, /var/log/secure

Named / BIND Service

  • Logs: /var/log/messages

Email Services

  • Postfix, Courier-IMAP, Qmail, SpamAssassin: /usr/local/psa/var/log/maillog
  • Dovecot Error logs: /usr/sbin/dovecot/
  • Horde Error log: /var/log/psa-horde/psa-horde.log
  • Roundcube Error log: /var/log/plesk-roundcube/errors

Watchdog (Monit & Rkhunter)

Ensures server security, service uptime, and disk space monitoring.

  • Monit logs: /usr/local/psa/var/modules/watchdog/log/wdcollect.log, /var/log/wdcollect.log, /usr/local/psa/var/modules/watchdog/log/monit.log, /var/log/plesk/modules/wdcollect.log
  • Rkhunter logs: /var/log/rkhunter.log

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