更改MySQL密码

发布时间：2023-07-26 14:32:41 所属栏目：MySql教程来源：

导读：修改配置：

vim /etc/my.cnf

[mysqld]

basedir=/home/mysql

datadir=/home/mysql/data

port = 3306

user = mysql

character_set_server=utf8

skip-grant-tables

[client]

d

修改配置：

vim /etc/my.cnf

[mysqld]

basedir=/home/mysql

datadir=/home/mysql/data

port = 3306

user = mysql

character_set_server=utf8

skip-grant-tables

[client]

default-character-set=utf8

service mysqld start

Starting MySQL. [ OK ]

[root@izm5e5xf4ylewnqwanhz1mz bin]# mysql -uroot -p mysql

Enter password:

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Welcome to the MariaDB monitor. Commands end with ; or \g.

Your MySQL connection id is 3

Server version: 5.7.18 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MySQL [mysql]>

MySQL [mysql]>

MySQL [mysql]>

MySQL [mysql]> show databases;

+--------------------+

| Database |

+--------------------+

| information_schema |

| mysql |

| performance_schema |

| sys |

+--------------------+

4 rows in set (0.01 sec)

MySQL [mysql]> update user set password=password("mysql") where user='root';

ERROR 1054 (42S22): Unknown column 'password' in 'field list'

MySQL [mysql]> update mysql.user set authentication_string=password('root') where user='root' ;

Query OK, 1 row affected, 1 warning (0.00 sec)

Rows matched: 1 Changed: 1 Warnings: 1

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