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MySQL/Reinitialiser le mot de passe — La FAQ de JLT

MySQL/Reinitialiser le mot de passe

Comment réinitialiser le mot de passe root avec mysql 8.x

  • redémarrer mysql en mode sans "grant"
sudo mysqld_safe --skip-grant-tables


  • si erreur de droits sur le répertoire

Voir https://stackoverflow.com/questions/42153059/mysqld-safe-directory-var-run-mysqld-for-unix-socket-file-dont-exists

sudo mkdir -p /var/run/mysqld
sudo chown mysql:mysql /var/run/mysqld



  • supprimer le mot de passe root
mysql -u root
use mysql;
UPDATE user SET authentication_string=null WHERE User='root';
FLUSH PRIVILEGES;



  • redémarrer mysql
sudo /etc/init.d/mysql restart



  • mettre à jour le mot de passe root
sudo mysql
use mysql;
 ALTER USER 'root'@'localhost' IDENTIFIED WITH caching_sha2_password BY 'root';
FLUSH PRIVILEGES;


Voir