Erreur lors de la tentative de mise à niveau des tables mysql à l'aide de mysql_upgrade :
root@fooserver:/root# mysql_upgrade Looking for 'mysql' as: mysql Looking for 'mysqlcheck' as: mysqlcheck Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' mysqlcheck: Got error: 1045: Access denied for user 'root'@'localhost' (using password: NO) when trying to connect FATAL ERROR: Upgrade failed
/etc/init.d/mysql stop /usr/bin/mysqld_safe --skip-grant-tables& mysql_upgrade /etc/init.d/mysql stop /etc/init.d/mysql start