修改mysql的root密码的几种方法
第一种方法 [root@localhost ~]# /usr/local/mysql/bin/mysqladmin -u root password new_password 一般安装时用此方法设置。 第二种方法 mysqlUPDATE user SET password=PASSWORD(new_password) WHERE user=root; mysqlFLUSH PRIVILEGES; 第三种方法 mysqlS
第一种方法
[root@localhost ~]# /usr/local/mysql/bin/mysqladmin -u root password ‘new_password’
一般安装时用此方法设置。
第二种方法
mysql>UPDATE user SET password=PASSWORD(‘new_password’) WHERE user=’root’;
mysql>FLUSH PRIVILEGES;
第三种方法
mysql>SET PASSWORD FOR root=PASSWORD(‘new_password’);
如果不知道root密码情况下修改root密码
mysqld启动的时候加上–skip-grant-tables,然后马上修改密码,,修改后去掉–skip-grant-tables,然后就OK了。

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