Reset du password mysql (sans le password root)
# Ces quelques étapes concernent mySQL sur un serveur Ubuntu/Debian
# Arrêt de mySQL
sudo /etc/init.d/mysql stop
# Démarrage
sudo mysqld_safe -skip-grant-tables &
sudo mysql -u root
mysql> use mysql;
mysql> update user set password=PASSWORD("NEW-ROOT-PASSWORD") where User='root';
mysql> flush privileges;
mysql> quit
sudo /etc/init.d/mysql restart