mysql_secure_installation

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本文指导您如何在系统启动时自动运行MySQL服务，并通过安全安装脚本设置MySQL root密码，移除匿名用户，限制远程登录，删除测试数据库，确保MySQL安装的安全性和稳定性。

　　打开终端，输入：

yum install mysql mysql-server

　　然后为MySQL创建系统启动链接(这样在系统启动时，MySQL会自动启动)，在终端输入命令：

chkconfig --levels 235 mysqld on

/etc/init.d/mysqld start

　　为MySQL root帐户设置密码：

　mysql_secure_installation

　　终端显示，按照提示操作:

[root@server1 ~]# 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.

Set root password? [Y/n] <– 回车
New password: <– 设置一个用户密码
Re-enter new password: <– 再输入一次你设置的密码
Password updated successfully!
Reloading privilege tables..
… Success!

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] <– 回车
… 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] <–回车
… 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? [Y/n] <– 回车
- 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? [Y/n] <– 回车
… 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!

[root@server1 ~]#