忘記密碼:
service mysqld stop
# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
# mysql -u root
use mysql;
mysql> update user set password=password("newpassword") where user='root';
mysql> flush privileges;
mysql> quit
service mysqld restart
# mysql -uroot -p
enter password: <輸入新設的密碼newpassword>
mysql>