Mysql的安全配置嚮導命令mysql_secure_installation

　　mysql_secure_installation安全配置嚮導

[root@youxi1 ~]# mysql_secure_installation 

Securing the MySQL server deployment.

Enter password for user root: 　　//輸入root密碼
The 'validate_password' plugin is installed on the server.
The subsequent steps will run with the existing configuration
of the plugin.
Using existing password for root.

Estimated strength of the password: 25 
Change the password for root ? ((Press y|Y for Yes, any other key for No) : No　　//是否更改root密碼，若是輸入y會要求設置新的密碼

 ... skipping.
By default, a MySQL installation has an anonymous user,
allowing anyone to log into MySQL without having to have
a user account created for them. This is intended only for
testing, and to make the installation go a bit smoother.
You should remove them before moving into a production
environment.

Remove anonymous users? (Press y|Y for Yes, any other key for No) : y　　//是否刪除匿名用戶，建議y刪除
Success.


Normally, root should only be allowed to connect from
'localhost'. This ensures that someone cannot guess at
the root password from the network.

Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y　　//是否禁止root遠程登陸，建議y禁止
Success.

By default, MySQL comes with a database named 'test' that
anyone can access. This is also intended only for testing,
and should be removed before moving into a production
environment.


Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y　　//是否刪除test數據庫，y刪除
 - Dropping test database...
Success.

 - Removing privileges on test database...
Success.

Reloading the privilege tables will ensure that all changes
made so far will take effect immediately.

Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y　　//是否從新加載權限表，y從新加載
Success.

All done!