In this article, we will solve mysqli extension was not found error in Plesk. The article is applicable only for CloudLinux-running servers with CageFS enabled and Alt-PHP handler being used!
CloudLinux is running on the server.
Alt-PHP and CageFS are installed and are in use.
Installation or update of any APS application hangs or fails:
Plesk Onyx 17.8 17 April 2018
Please consider updating your server:
How to install Plesk updates
Until the issue is fixed, use the following workaround:
1. Log into Plesk.
2. Define absent PHP modules in Tools & Settings > PHP Settings > alt-php version > php.ini by adding following lines at the end of the file:
3. Connect to the server via SSH.
4. Update PHP settings for all domains:
# plesk bin php_settings -u