方法一(先进入root权限):
# /etc/init.d/mysql stop # mysqld_safe --user=mysql --skip-grant-tables --skip-networking & # mysql -u root mysql> update user set password=password("newpassword") where user='root'; mysql> flush privileges; mysql> quit # /etc/init.d/mysql restart # mysql -uroot -p enter password: <输入新设的密码newpassword> mysql>