1.先殺掉mysqld的進程:
kill -TERM mysqld
2.使用skip-grant-tables這個選項啓動MySQL:
/usr/bin/mysqld_safe --skip-grant-tables
3.登錄修改密碼:
#mysql -u root -pmysql>use mysql;mysql>update user set password=password('new_pass') where user='root' ;mysql>flush privileges;mysql>exit;
4.關掉MySQL
#mysqladmin -u root -p shutdown
5.啓動MySQL
#/usr/bin/mysqld_safe --user=mysql &