解决Navicat 出错:1130-host . is not allowed to connect to this MySql server,MySQL

1. 改表法。

可能是你的帐号不允许从远程登陆，只能在localhost。这个时候只要在localhost的那台电脑，登入MySQL后，更改 "mysql" 数据库里的 "user" 表里的 "host" 项，从"localhost"改称"%"

mysql -u root -p

mysql>use mysql;

mysql>update user set host = '%' where user = 'root';

mysql>select host, user from user;

注：个人觉得不太适用！

【错误内容】：SQL Error (2013): Lost connection to MySQL server at 'waiting for initial communication packet', system error: 0

【错产生经过】：链接MySQL时出现.

【解决办法】：打开my.ini，找到[mysqld]项，在其后加入一句：skip-name-resolve，保存，重启mysql服务即可~

以上就是解决MySQL Error (2013)： Lost connection to MySQL server at waiting for initial communication packet的全文介绍,希望对您学习和使用数据库有所帮助.

2. 授权法。

例如，你想myuser使用mypassword从任何主机连接到mysql服务器的话。

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

FLUSH PRIVILEGES;

如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器，并使用mypassword作为密码

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

FLUSH PRIVILEGES;

如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器的dk数据库，并使用mypassword作为密码

GRANT ALL PRIVILEGES ON dk.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;

FLUSH PRIVILEGES;

我用的第一个方法,最后执行一个语句 mysql>FLUSH RIVILEGES 使修改生效.就可以了

另外一种方法,不过我没有亲自试过的,在csdn.net上找的,可以看一下.

在安装mysql的机器上运行：

1、d:/mysql/bin/>mysql -h localhost -u root //这样应该可以进入MySQL服务器

2、mysql>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION //赋予任何主机访问数据的权限

3、mysql>FLUSH PRIVILEGES //修改生效

4、mysql>EXIT //退出MySQL服务器

这样就可以在其它任何的主机上以root身份登录啦！

转载于:https://www.cnblogs.com/maybach/p/9869441.html

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