Articles in this section

• Websites on PHP-FPM are unavailable or loading slowly: "server reached max_children setting" OR "pool seems busy"
• How to secure a Plesk hostname on port 8443 with an SSL certificate (Let's Encrypt / other certificate authorities)
• After switching a WordPress website to FPM served by nginx in Plesk, it fails to load with "404 Not Found" on all pages except start page
• PHP errors after Plesk update: PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 999999999999 bytes)
• The plesk-php7x-fpm service crashes during the reload after domain name change
• Apache restart shows: AH00543: httpd: bad user name if immutable bit is used
• CVE-2019-0211: Apache HTTP Server privilege escalation from modules' scripts
• When Dedicates IIS Pool is switched off and then back on, Maximum CPU Usage (%) becomes Unlimited
• Setting "Document root" under Hosting Settings to existing folder results into wrong group permissions
• Wrong error page is shown for .php file in case PHP-FPM handler is used