Hi, for anybody who is interested, here is my step by step.
In fact, Plesk should find a way to automate this task to release us from this agony ;-)
Plesk Onyx 17.8.11; Ubuntu 16.04.5 LTS; MySQL 5.7.24
Create second MySQL - Database - Instance:
--> cp -prvf /etc/mysql/ /etc/mysql2...
Hi, for me the following solved the error:
mkdir /usr/local/psa/admin/htdocs/domains/databases/phpMyAdmin/tmp
mkdir /usr/local/psa/admin/htdocs/domains/databases/phpMyAdmin/tmp/session
chmod 777 /usr/local/psa/admin/htdocs/domains/databases/phpMyAdmin/tmp
chmod 777...