1 在一个窗口输入如下命令https://www.cndba.cn/zhasir/article/3468https://www.cndba.cn/zhasir/article/3468https://www.cndba.cn/zhasir/article/3468https://www.cndba.cn/zhasir/article/3468

[root@zhasir ~]# mysqld --skip-grant-tables

2016-06-08 20:37:52 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).

2016-06-08 20:37:52 0 [Note] mysqld (mysqld 5.6.38-83.0-log) starting as process 3797 ...

2 打开一个新的窗口

[root@zhasir ~]# mysql

Welcome to the MySQL monitor. Commands end with ; or /g.

Your MySQL connection id is 1

Server version: 5.6.38-83.0-log Percona Server (GPL), Release 83.0, Revision dc97471bd40

Copyright (c) 2009-2017 Percona LLC and/or its affiliates

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

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

mysql> use mysql

Reading table information for completion of table and column names

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

Database changed

mysql> update user set password=password("mysql") where user="root";

Query OK, 1 row affected (0.01 sec)

Rows matched: 1 Changed: 1 Warnings: 0

mysql> flush privileges;

Query OK, 0 rows affected (0.00 sec)

mysql> quit

Bye

[root@zhasir ~]# service mysql stop

Shutting down MySQL (Percona Server).. SUCCESS!

[root@zhasir ~]# service mysql start

Starting MySQL (Percona Server) SUCCESS!

[root@zhasir ~]# service mysql status

SUCCESS! MySQL (Percona Server) running (4640)

4 使用新密码登陆https://www.cndba.cn/zhasir/article/3468

[root@zhasir ~]# mysql -uroot -p

Enter password:

Welcome to the MySQL monitor. Commands end with ; or /g.

Your MySQL connection id is 1

Server version: 5.6.38-83.0-log Percona Server (GPL), Release 83.0, Revision dc97471bd40

Copyright (c) 2009-2017 Percona LLC and/or its affiliates

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

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

mysql> select version();

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

| version() |

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

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