这里有新鲜出炉的 Mysql 教程,程序狗速度看过来!
MySQL 是一个开放源码的小型关联式数据库管理系统,开发者为瑞典 MySQL AB 公司。MySQL 被广泛地应用在 Internet 上的中小型网站中。由于其体积小、速度快、总体拥有成本低,尤其是开放源码这一特点,许多中小型网站为了降低网站总体拥有成本而选择了 MySQL 作为网站数据库。
下面小编就为大家带来一篇完美解决 mysql 客户端授权后连接失败的问题。小编觉得挺不错的,现在就分享给大家,也给大家做个参考。一起跟随小编过来看看吧
在本地(192.168.1.152)部署好 mysql 环境,授权远程客户机 192.168.1.% 连接本机的 mysql,在 iptables 防火墙也已开通 3306 端口。
如下:
mysql> select host,user,password from mysql.user; +--------------+-----------------+---------------------------------------------------------+ | host | user | password | +--------------+-----------------+----------------------------------------------------------+ | localhost | root | | | fdm1 | root | | | 127.0.0.1 | root | | | localhost | | | | fdm1 | | | | 192.168.1.% | db_hqsb | *DFC9DC16B13651A95ECEC3A26E07D244431B55C9 | | 192.168.1.% | db_ro_hqsb | *2C0B0DD50595BB40879110437BEEF026D019DFB7 | | 192.168.1.% | db_jkhwuser | *2C0B0DD50595BB40879110437BEEF026D019DFB7 | | 192.168.1.25| slave | *EE52B8EACB3CCD13624273AD6B5CDA52B9B53EB7 | | 192.168.1.% | tech_db_user | *6053E57C7B61043DC2C6B4E3291D5F61CCC23F5C | | 192.168.1.% | game_db_user| *05EA4D71C9A1273ECF3E24E6323F7175AE45C366 | | localhost | zabbix | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 | +---------------+---------------+------------------------------------------------------------+
问题:
在客户机(比如 192.168.1.20)上远程连接上面 192.168.1.152 机器的 mysql,连接失败!
- [root@huanqiu ~]# mysql -udb_ro_hqsb -h 192.168.1.152 -pmhxzkhl0802xqsjdb
- ERROR 1130 (HY000): Host '192.168.1.20' is not allowed to connect to this MySQL server
解决:
是由于 192.168.1.152 的 mysql 里 "host 为 localhost,user 和 password 为空" 这条语句导致的,删除这条即可解决问题!
mysql> delete from mysql.user where host="localhost" and user=""; Query OK, 1 row affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.00 sec)
这样,授权连接的客户机就能成功连接了!
- [root@huanqiu ~]# mysql -uxqsj_db_ro_user -h 192.168.1.152 -pmhxzkhl0802xqsjdb
- Welcome to the MySQL monitor. Commands end with ; or \g.
- Your MySQL connection id is 28
- Server version: 5.1.73 Source distribution
- Copyright (c) 2000, 2013, 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>
以上这篇完美解决 mysql 客户端授权后连接失败的问题就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持 PHPERZ。
来源: http://www.phperz.com/article/17/0503/332661.html