[Bug 1587106] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: podproces nowy skrypt pre-installation zwrócił kod błędu 1

*** This bug is a duplicate of bug 1490071 *** https://bugs.launchpad.net/bugs/1490071 >From the terminal log, it seems you have previously installed MariaDB 10.0: Przygotowywanie do rozpakowania pakietu .../mysql-server-5.7_5.7.12-0ubuntu1_amd64.deb ... Aborting downgrade from (at least)

[Bug 1587106] Re: package mysql-server-5.7 (not installed) failed to install/upgrade: podproces nowy skrypt pre-installation zwrócił kod błędu 1

*** This bug is a duplicate of bug 1490071 *** https://bugs.launchpad.net/bugs/1490071 ** This bug has been marked a duplicate of bug 1490071 MySQL 5.6 refuses to install on systems that have had MariaDB 10.0 installed, preventing users from reverting to MySQL without manual intervention