Oui pardon, il manquait quelques infos : la bdd est en mysql
Les fichiers en questions ont été récupéré sur un ubuntu 18.04 et le serveur où je tente de les redéployer est un ubuntu 20.04.
(donc passage de MySQL 5.7 à la version mysql 8.0.20, si je ne me trompe pas)
Concernant les logs :
2020-06-19T15:18:33.438987Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.20-0ubuntu0.20.04.1) starting as process 15220
2020-06-19T15:18:33.467818Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2020-06-19T15:18:34.659854Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
2020-06-19T15:18:35.070383Z 0 [ERROR] [MY-011300] [Server] Plugin mysqlx reported: 'Setup of socket: '/var/run/mysqld/mysqlx.sock' failed, can't create lock file /var/run/mysqld/mysqlx.sock.lock'
2020-06-19T15:18:35.071592Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060
2020-06-19T15:18:35.422150Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2020-06-19T15:18:35.460372Z 0 [Warning] [MY-011810] [Server] Insecure configuration for --pid-file: Location '/tmp' in the path is accessible to all OS users. Consider choosing a different directory.
2020-06-19T15:18:35.610756Z 7 [System] [MY-013172] [Server] Received SHUTDOWN from user boot. Shutting down mysqld (Version: 8.0.20-0ubuntu0.20.04.1).
je vais commencer par tenter la procédure indiquée sur hoststud
En tout cas merci pour vos réponses messieurs