I recently upgraded MariaDB from version 10.5 to 11.4 for a couple of RHEL9 servers. Here are the steps I used: Add the MariaDB repo containing version 11.4 and exclude MariaDB 10.5 from the system default AppStream repository. Uninstall MariaDB 10.5 and install version 11.4: Create socket: Start and enable MariaDB: Run the upgrade script:…