mysql5.7密码修改

 update mysql.user set authentication_string=password('123qwe') where user='root' and Host = 'localhost';


关闭正在运行的 MySQL :
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[[email protected] ~]# service mysql stop

运行
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[[email protected] ~]# mysqld_safe --skip-grant-tables &

为了安全可以这样禁止远程连接:
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[[email protected] ~]# mysqld_safe --skip-grant-tables --skip-networking &

使用mysql连接server:
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[[email protected] ~]# mysql -p

更改密码:
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mysql> update mysql.user set authentication_string=password('123qwe') where user='root' and Host = 'localhost';

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转载自blog.csdn.net/shshjj/article/details/79363219