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Linux服务器---mysql忘记root密码

程序员文章站 2023-01-29 14:09:42
忘记root密码 如果不小心忘记了root密码,那么mysql就不能再登录了,这时就要重置root密码才行。通过下面的步骤,我们可以重新设置root密码。 1、退出mysql [root@localhost src]# service mysqld stop 停止mysqld: [确定] [root ......

忘记root密码

如果不小心忘记了root密码,那么mysql就不能再登录了,这时就要重置root密码才行。通过下面的步骤,我们可以重新设置root密码。

1、退出mysql

[root@localhost src]# service mysqld stop

停止mysqld                                             [确定]

[root@localhost src]# 

 

2、进入sql安全模式,命令“/usr/bin/mysqld_safe --skip-grant-table &

[root@localhost src]#/usr/bin/mysqld_safe --skip-grant-table &

[1] 6332

[root@localhost src]# 180814 10:10:00 mysqld_safe logging to '/var/log/mysqld.log'.

180814 10:10:00 mysqld_safe starting mysqld daemon with databases from /var/lib/mysql

 

3、无密码方式登录,命令“mysql –u root”

[root@localhost src]# mysql -u root

welcome to the mysql monitor.  commands end with ; or \g.

your mysql connection id is 1

server version: 5.1.71 source distribution

copyright (c) 2000, 2013, 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> 

 

4、使用mysql,命令“use mysql;” 

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> 

 

5、重设root密码,命令“update user set password=password (“密码”) where user=’root’”

mysql> update user set password=password('123456') where user='root';

query ok, 3 rows affected (0.00 sec)

rows matched: 3  changed: 3  warnings: 0

mysql> 

 

6、刷新 

mysql> flush privileges;

query ok, 0 rows affected (0.00 sec)

 

7、退出,重新登录

[root@localhost src]# mysql -u root -p

enter password:        //这里输入新密码

welcome to the mysql monitor.  commands end with ; or \g.

your mysql connection id is 2

sever version: 5.1.71 source distribution

copyright (c) 2000, 2013, 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> 

 

 

做了一个linux学习的平台,目前出来一个雏形,各位可以参考使用
链接:https://pan.baidu.com/s/1golvu2cbpbngtunztvpacq  密码:n7bk
Linux服务器---mysql忘记root密码