package:mysql-server-8.0:8.0.25-0ubuntu0.20.04.1 Setting up mysql-server-8.0 (8.0.25-0ubuntu0.20.04.1) ... mysqld will log errors to /var/log/mysql/error.log mysqld is running as pid 6819 Error: Unable to shut down server with process id 6819 dpkg: error processing package mysql-server-8.0 (--configure): installed mysql-server-8.0 package post-installation script subprocess returned error exit status 1