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Applications & Extensions

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

  • Unable to activate or change the ModSecurity ruleset in Plesk: /etc/httpd/conf.d/modsec2.imunify.conf No such file or directory
  • How to activate Google Workspace on a domain in Plesk
  • Notification received by Plesk administrator regarding WordPress site: Failed to reset cache for the instance: filemng: No such file or directory
  • Unable to reissue the Let's Encrypt SSL certificate in Plesk: DNS problem SERVFAIL looking up TXT
  • ModSecurity's ruleset is changed automatically from Atomic Advanced to Custom when Imunify360 is installed
  • WordPress can not be installed via WordPress Toolkit in Plesk: Specified column "guid" is not in the row
  • WordPress Toolkit produces error messages each hour: Request failed with status code 400
  • Wordpress notifications are received: Failed to reset cache for the instance #902: An error has occurred when decoding JSON: Decoding failed: Syntax error
  • WordPress Toolkit stuck at 0% when installing a new instance
  • Spam Filter tab is missing for the individual mail box after installing Plesk Email Security extension
  • Smart Update fails: unable to correctly clone your website for further analysis
  • Unable to access PHP Composer: Your requirements could not be resolved to an installable set of packages
  • Email notifications are received daily from a Plesk server: /etc/cron.daily/imunify360-firewall exited with return code 127
  • Unable to install the CloudLinux extension: Failed to retrieve keys for the extension "CloudLinux"
  • Unable to update plugins & themes requiring a license for automatic updates in WordPress Toolkit for Plesk
  • Unable to update a plugin or theme on a WordPress instance in Plesk: Asset 'Ultimate' with version 'VC' not found in WordPress instance
  • Mails are received every night: test -x / usr / sbin / anacron || (cd / && run-parts --report /etc/cron.daily)
  • Unable to initialize PostgreSQL database in Plesk: start service postgresql failed psql: could not connect to server:
  • Let's Encrypt certificate installation/renewal failed for domain hosted on Plesk: access domain is enabled
  • How to edit Plesk panel.ini
  • Unable to login to WordPress admin dashboard using Plesk preview: Cookies are blocked or not supported by your browser
  • Unable to select the Atomic Advanced (bought from Plesk) ruleset for ModSecurity when Security Pack and Advanced ModSecurity licenses are used: distributed_update Invalid user credentials
  • Why ServerShield by CloudFlare is not available for installation or purchase in Plesk?
  • Plesk Repair Kit shows a warning: service plans with unregistered PHP handlers were found
  • Wordpress Toolkit and Quarantine. How does it work?
  • Advanced Monitoring does not work: Panel plugin not found: graph
  • Unable to issue/renew a Let's Encrypt certificate in Plesk: Error creating new account :: "" is not a valid e-mail address
  • Cannot install Support SSH Access Extension on Debian 9, Ubuntu 18.04: Another installation is currently in progress
  • WordPress Toolkit shows WordPress instance as broken when a domain is using Alt-PHP: Error establishing a database connection
  • Unable to install Plesk Email Security extension: The value of variable $myhostname should have been a fully qualified domain name
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