软件开发培训班 >> 编程开发 >> MySQL


MySQL实现免密登录的三种配置方式

一、示例环境版本说明

操作系统版本centos7.6

[wuhs@test1 mysql]$ cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)

mysql数据库版本5.7.32

[wuhs@test1 mysql]$ mysql -V
mysql Ver 14.14 Distrib 5.7.32, for el7 (x86_64) using EditLine wrapper

二、MySQL免密登录方式配置示例

1、通过设置client标签，直接编辑/etc/my.cnf文件

编辑/etc/my.cnf文件，添加如下代码

[wuhs@test1 mysql]$ cat /etc/my.cnf
[client]
user = root
password = 123456
port = 3306

配置完成后可以使用mysql命令直接登录数据库

[wuhs@test1 mysql]$ mysql
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 6
Server version: 5.7.32-log MySQL Community Server (GPL)
<br>
Copyright ? 2000, 2020, Oracle and/or its affiliates. All rights reserved.
<br>
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
<br>
Type ‘help;' or ‘h' for help. Type ‘c' to clear the current input statement.
<br>
mysql>

此方式最大问题是明文存储密码，见配置文件各用户可见，非常的不安全 。

2、我们通过my.cnf来配置，设置到'/.my.cnf来配置免密码

编辑'/.my.cnf文件，添加如下代码

[wuhs@test1 mysql]$ cat '/.my.cnf
[client]
user = root
password = 123456
port = 3306

修改my.cnf属性

#chmod 600 '/.my.cnf
[wuhs@test1 mysql]$ ll '/.my.cnf
-rw-------. 1 wuhs wuhs 51 Dec 29 22:56 /home/wuhs/.my.cnf

配置完成后可以使用mysql命令直接登录数据库

[wuhs@test1 mysql]$ mysql
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 6
Server version: 5.7.32-log MySQL Community Server (GPL)
<br>
Copyright ? 2000, 2020, Oracle and/or its affiliates. All rights reserved.
<br>
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
<br>
Type ‘help;' or ‘h' for help. Type ‘c' to clear the current input statement.
<br>
mysql>

此种方式也是明文存储，配置方式同第一种，文件为隐藏文件，设置文件为改用户可读，与第一种方式相比安全性有所提高 。经验证测试，'/.my.cnf配置文件优先于/etc/my.cnf 。

3、通过mysql_config_editor命令

使用mysql_config_editor命令一个test标签

[wuhs@test1 mysql]$ mysql_config_editor set -G test -S /tmp/mysql.sock -uroot -p
Enter password: [此处输入root账户密码]

执行如上步骤后生成了隐藏文件.mylogin.cnf，文件类型为data，是一个二进制文件

[wuhs@test1 mysql]$ file '/.mylogin.cnf
/home/wuhs/.mylogin.cnf: data

查看该文件，密码为加密存储

[wuhs@test1 mysql]$ mysql_config_editor print --all
[test]
user = root
password = *****
socket = /tmp/mysql.sock

使用mysql --login-path="标签"登录

[wuhs@test1 mysql]$ mysql --login-path=test
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 18
Server version: 5.7.32-log MySQL Community Server (GPL)
<br>
Copyright ? 2000, 2020, Oracle and/or its affiliates. All rights reserved.
<br>
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
<br>
Type ‘help;' or ‘h' for help. Type ‘c' to clear the current input statement.
<br>
mysql>

第三种方式登录文件为隐藏的二进制文件，且密码通过密文存储，安全性最高 。

以上就是MySQL免密登录的三种方式的详细内容，更多关于MySQL免密登录的资料请关注其它相关文章！