Cent OS 7 Linux下5.6.31 MySQL Community Server (GPL)添加用户

本文介绍如何在Linux环境下通过编辑my.cnf配置文件调整MySQL运行参数,并创建新用户xiongjiajia,设置其拥有所有数据库的所有权限,同时更新防火墙规则开放3306端口。

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[root@localhost xiongjiajia]# vim /etc/my.cnf

#sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
sql_mode=NO_ENGINE_SUBSTITUTION

[root@localhost xiongjiajia]# service mysqld restart
Redirecting to /bin/systemctl restart  mysqld.service
[root@localhost xiongjiajia]# mysqladmin -u root password 123456
[root@localhost xiongjiajia]# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 5.6.31 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> insert into mysql.user(Host,User,Password) values("%","xiongjiajia",password("123456"));
Query OK, 1 row affected, 3 warnings (0.00 sec)

mysql> select host,user,password from mysql.user;
+-----------------------+-------------+-------------------------------------------+
| host                  | user        | password                                  |
+-----------------------+-------------+-------------------------------------------+
| localhost             | root        | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
| localhost.localdomain | root        |                                           |
| 127.0.0.1             | root        |                                           |
| ::1                   | root        |                                           |
| localhost             |             |                                           |
| localhost.localdomain |             |                                           |
| %                     | xiongjiajia | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
+-----------------------+-------------+-------------------------------------------+

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql> grant all on *.* to xiongjiajia@"%" identified by "123456" ;
Query OK, 0 rows affected (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

[root@localhost xiongjiajia]# firewall-cmd --zone=public --add-port=3306/tcp --permanent
success
[root@localhost xiongjiajia]# firewall-cmd --reload
success

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