Technical Questions
Help articles related to Plesk migration, upgrades, databases ant etc.
Other
- Plesk no longer licenses ActivePython and ActivePerl from ActiveState. How to avoid violation of the license agreement?
- How to free up disk space from temporary files on a Plesk server?
- How to subscribe to changes in Plesk Help Center articles / sections
- Errors in /var/log/secure: Unable to connect to Plesk Database: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (13)
- phpMyAdmin vulnerabilities CVE-2019-6799 (PMASA-2019-1) and CVE-2019-6798 (PMASA-2019-2)
- How to remove ActivePython and ActivePerl from a Plesk server?
Plesk Service/Interface
- Plesk is not accessible: Can't open or create shared memory by shm.name
- Plesk notifications are sent to administrator when it creates a customer
- Unable to copy a file/folder via File Manager: PHP Fatal error: Wrong arguments to plesk_str_replace in /usr/local/psa/admin/plib/Plesk/Title.php on line 19
- Contact Name field is empty for mail user
- plesk bin mail --info does not show correct mail quota after applying new value in Service Plan
- Unable to synchronize subscription with service when no webmail is installed
Webserver
- Websites hosted in Plesk and served by PHP-FPM are unavailable or load slowly: "server reached max_children setting" or "Bad file descriptor (9)"
- Error when adding IPv6 address via web interface or API: Cannot assign requested address
- Apache shows: pam_systemd(plesk_resctrl:session): Failed to connect to system bus: Permission denied
- New configuration files for the Apache web server were not created: Invalid command 'johndoe'
- PHP-FPM service fails to start on Plesk Onyx 17.8: An another FPM instance seems to already listen on php-fpm.sock
- Website redirects to another website
Applications & Extensions
- After removing a WordPress domain, WordPress Toolkit starts to show error: Can not find domain by id
- Log rotation settings are not synchronized from management node to service node
- The screenshot is missing for a WordPress Toolkit instance in Plesk
- Unable to activate Multi Server service node: Unable to set maximum number of log files
- Installing Prestashop 1.7.4.2 shows: The firstname field is invalid and Shop name must contain at least one character
- Unable to issue Let's Encrypt certificate: Your domain in Plesk is hosted on the IP address(es): 192.0.2.2, but the DNS challenge used another IP address: 203.0.113.2.
Backup, Restore & Migration
- Name of protected directory for domain statistics is changed after migration
- Restoration of full-server backup finishes with warning: The PHP handler is not available. Instead, Plesk will use 5.3.3 FastCGI application (id=fastcgi)
- Full-server backup restoration finishes with the warning: ERROR: Call to a member function setParam() on null (cuBackupRestoreHelper.php:1287)
- Plesk Migrator shows notice: Please install Courier-IMAP by using Plesk Installer
- Plesk backup is not started in scheduled time
- Database user privileges are reset to default after migrating database using Site import extension
Databases
- How to fix InnoDB corruption cases for the MySQL databases on Plesk for Linux?
- Multiple Vulnerabilities in Oracle MySQL Server before 5.7.25, 5.6.43, 5.5.63: potential Unauthorized access
- Unable to connect to Plesk server via FTP to any account
- 'undefined' is shown next to Database name when installing WordPress on subdomain
- Unable to import a MySQL dump via phpMyAdmin: Operation hangs on FOREIGN_KEY_CHECKS
- Option to export table in SQL format is missing in phpMyAdmin
Installation & Upgrade
- How to install SSL certificate for a domain in Plesk?
- Why mod_perl, mod_python, mod_php Apache modules are not installed by default starting from Plesk 12.5?
- Unable to upgrade/install Plesk on Ubuntu/Debian: the following packages have unmet dependencies
- Unable to install Plesk via get.plesk.com: plesk: command not found, failed to run: Process exited with status 127
- Unable to upgrade system php due to the dependencies on php-mysql on centos because of psa-php5-configurator
- Unable to dist-upgrade to Debian 9: Depends mariadb-server-10.1 but it is not going to be installed
- An email sent to MailEnable mail server does not appear in mailbox
- Messages larger than 10 Mb are not delivered when MailEnable is used
- If custom value is set for SPF explanation text, it is ignored in SPF-Check
- DKIM header in mail from Plesk server contains lenght tag: Body Hash Did Not Verify
- Auto-Reply is not turned off on specified date
- How to install/change a local mail servers in Plesk for Windows
DNS & Statistics
- Removed NS records are not restored on enabling the DNS zone
- IP address for SPF record is not changed when IP of subscription is changed.
- Incorrect DNS zone file created if subdomain added to the domain without DNS zone
- Why does the "plesk bin dns --reset" command change the web server configuration?
- The "cookie-mismatch" warning using EDNS Compliance Tester
- Unable to reset DNS zone with DNS zone template via CLI
Website Builder
- Unable to publish WPB site to Facebook: Facebook has detected that Parallels Presence Builder isn't using a secure connection to transfer information
- Presence Builder icon is shown for domain while Presence Builder is disabled in Service Plan
- Web Presence Builder cannot add more than one image in module
- How to change background image in Web Presence Builder?
- How to add custom font in Web Presence Builder?
- Cannot upload image in Image Gallery for a website created in Web Presence Builder with Ecwid Online store added