Common faults of MySQL database - forgetting database password

Catalog

introduction ：

One . The fault phenomenon

Two . Trouble shooting

 1. Modify the configuration file

 2. Restart the service

 3.mysql

4. Use sql Statement change root password  

 5. Delete the statement just added manually in the configuration file

6. Restart the service

3、 ... and . Trouble shooting  

summary ：

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introduction ：

In the production environment, we may forget to log in for some special reasons mysql Database root password , Let's solve this problem today .

One . The fault phenomenon

Forget root password , Unable to access database

Two . Trouble shooting

 1. Modify the configuration file

vim /etc/my.cnf

 2. Restart the service

 3.mysql

4. Use sql Statement change root password  

 ​​​​​​​

 5. Delete the statement just added manually in the configuration file

 vim  /etc/my.cnf

6. Restart the service

 

3、 ... and . Trouble shooting  

summary ：

Forgotten password solutions are divided into 6 Step

1. Changing configuration files （ Add password free login command ）
2. Restart the service
3. Password free login database （ Enter the password and press enter ）
4. Use sql Statement change root password
5. Enter the configuration file again （ Delete the command just added manually ） 
6. Restart service again