當(dāng)你安裝 MySQL 完后、會有個提示：

[root@localhost Desktop]# rpm -ivh MySQL-server-5.5.28-1.rhel5.i386.rpm

Preparing... ########################################### [100%]

1:MySQL-server ########################################### [100%]

PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !

To do so, start the server, then issue the following commands:

/usr/bin/mysqladmin -u root password 'new-password'

/usr/bin/mysqladmin -u root -h localhost.localdomain password 'new-password'

Alternatively you can run:

/usr/bin/mysql_secure_installation

**對于這 2 種方式、我個人認(rèn)為、mysql_secure_installation 比較好用***

which will also give you the option of removing the test

databases and anonymous user created by default. This is

strongly recommended for production servers.

**我覺得、這里的關(guān)鍵應(yīng)該是能夠把匿名用戶給刪掉***

See the manual for more instructions.

Please report any problems with the /usr/bin/mysqlbug script!

By default, a MySQL installation hasan 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 installationgo a bit smoother.

You should remove them before moving into a production environment

**匿名用戶的危害****

所以、生產(chǎn)環(huán)境請務(wù)必刪之！！

我選擇 mysql_secure_installation

[root@localhost Desktop]# mysql_secure_installation

NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL

SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!

In order to log into MySQL to secure it, we'll need the current

password for the root user. If you've just installed MySQL, and

you haven't set the root password yet, the password will be blank,

so you should just press enter here.

Enter current password for root (enter for none):

OK, successfully used password, moving on...

Setting the root password ensures that nobody can log into the MySQL

root user without the proper authorisation.

You already have a root password set, so you can safely answer 'n'.

Change the root password? [Y/n] n

... 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? [Y/n] y

... 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? [Y/n] n

... skipping.

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? [Y/n] n

... skipping.

Reloading the privilege tables will ensure that all changes made so far

will take effect immediately.

Reload privilege tables now? [Y/n] y

... Success!

Cleaning up...

All done! If you've completed all of the above steps, your MySQL

installation should now be secure.

Thanks for using MySQL!

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