Actually I found the way to fix it : + I had to remove whatever (sorry i don't remember) lock file in /var/... + force apt-get install + Launch mysql in safe mode + remove the plugins defined in the user table + restart mysql
The last steps are here : https://zhxq.io/how-to-solve-mariadb-plugin-unix_socket-is-not-loaded-problem-after-upgrade-to-ubuntu-15-04/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1500428 Title: package mysql-server-5.6 (not installed) failed to install/upgrade: le sous-processus nouveau script pre-installation a retourné une erreur de sortie d'état 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.6/+bug/1500428/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
