Applications & Extensions

Plesk applications and extensions installation/management articles. WordPress, Joomla, Let's Encrypt, CloudFlare and etc.

Performance Booster fails to be enabled for Pleks hosted domain: "gzip" directive is duplicate
WP Toolkit Deluxe / WP Guardian (Plesk addon) show an upgrade button and locked features with Web Admin license
Can't send email with Plesk Email Security installed: (!)DENIED ACCESS from IP 203.0.113.2, policy bank ''
Unable to start .NET application on Plesk with error 500.30: The located assembly's manifest definition does not match the assembly reference. (0x80131040)
Unable to open Azure DNS extension: 500 error: Cannot access offset of type string on string
Plesk Firewall can not be enabled in Plesk 18.0.52 and newer: I did not receive connectivity confirmation after applying new firewall configuration
After removing a WordPress domain in Plesk WP Toolkit starts to show an error: Can not find domain by id X
Error in DigitalOcean DNS extension in Plesk after updating it to version 1.3.9: Call to a member function get HeaderLine() on null
How to enable WordPress cron in WordPress Toolkit for Plesk?
Unable to refresh WP Toolkit instance in Plesk: Failed to reset cache for the instance #13: Cache tags:
WP Toolkit is Broken after attempt to install Redis Fatal error: Uncaught RedisException: Connection refused in /var/www/vhosts/example.com/httpdocs/wp-content/object-cache.php
Plesk Monitoring returns: An unexpected error occurred
How to change 'IP to Country Lite database' to MaxMind as a source for blocking countries in Plesk Firewall
Some operations in Acronis Backup extension in Plesk fail: Declaration of Modules_AcronisBackup_OperationsListAdapter::count() must be compatible with CommonPanel_View_List_Paginator_Array::count(): int
System updates cannot be installed in Plesk due to Imunify repositories: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY
Unable to install/update APS application in Plesk: Unable to change current directory
Unable to issue or reissue a Let's Encrypt Certificate: Certificate location not specified in response
How to verify integrity of the WordPress core files in Plesk
Website page is not accessible with 503 error: Service Temporarily Unavailable
Softaculous extension does not open: Call to a member function dispatch() on null
A migrated website built with Web Presence Builder can't be edited in the new server.
Unable to deploy Git Repository in Plesk: Argument #7 ($max) passed to /git/library/DTO/API/AbstractRepositoryRequest.php
Cannot apply PHP Settings or PHP service is down: cannot get uid for user 'john.doe'
Fail2Ban IPv6 support in Plesk
Grafana is not updated with message: NOKEY Importing GPG key 0x2CF3C0C6:
Imunify360 is not functioning in Plesk: Imunify agent is not running Follow the troubleshooting guide or contact support
How to enable "Keep secured" option for automatic SSL certificates updates from the CLI?
Connect to host github.com port 22: Connection timed out fatal: Could not read from remote repository
Additional user cannot manage Plesk Email Security individual settings: Access denied
Plesk Diagnose & Repair error: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node