Applications & Extensions

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

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
Unable to issue Let's Encrypt certificate for www.example.com: 403 Invalid response
The WordPress instance is marked as broken in the WP Toolkit: Error: The site you have requested is not installed. Run `wp core install` to create database tables.
An Email Notification from WP Toolkit is received: Failed to reset cache for the instance: Error establishing a database connection.
Cannot open WP Toolkit in Plesk: Declaration of PleskExt\WpToolkit\Controller\Action::apiResponse(array $data = [], string $status = '', string $message = '') must be compatible with
Backup to AWS storage fails in Plesk: Unable to create the remote backup: Transport error: Extension transport: ext://s3-backup/server/: 100 Continue
How to enable Atomic rulesets in ModSecurity for Plesk on RHEL 8/ CloudLinux 8/ AlmaLinux 8 and Rocky Linux 8 OS?
Smart PHP Update fails for a Plesk domain: DOMDocument::loadHTML(): Argument #1 ($source) must not be empty
A WordPress instance on Plesk fails with error 500: PHP Fatal error: Failed opening required '/var/www/vhosts/example.com/public_html/wordfence-waf.php'
Plesk PHP Composer extension command fails with: Call to undefined function PleskExt\Composer\Cli\create_function()
Plesk Email Security extension blocklist does not work
WP Toolkit PHP process gets stuck and generates high CPU usage for the server
Restrictive rules in iptables are written automatically on server restart
Unable to migrate domain via Plesk Migrator: Integrity constraint violation Duplicate entry
Unable to update WordPress plugins in Plesk: Update failed: -1
How to enable debug / additional log in Web Presence Builder