解决mysql不能远程连接数据库方法
一般的mysql是不建义开启远程访问权限的,这样相对来说安全一些,不过今天我来为需要远程访问权限朋友介绍一下。
1、登陆
mysql -u root -p
查看user表
代码如下 | 复制代码 |
mysql> use mysql; |
可以看到在user表中已创建的root用户。host字段表示登录的主机,其值可以用IP,也可用主机名,
(1)有时想用本地IP登录,那么可以将以上的Host值改为自己的Ip即可。
2、实现远程连接(授权法)
将host字段的值改为%就表示在任何客户端机器上能以root用户登录到mysql服务器,建议在开发时设为%。
update user set host = ’%’ where user = ’root’;
将权限改为ALL PRIVILEGES
代码如下 | 复制代码 |
mysql> use mysql; mysql> select host,user,password from user; |
这样机器就可以以用户名root密码root远程访问该机器上的MySql.
3、实现远程连接(改表法)
代码如下 | 复制代码 |
use mysql; update user set host = '%' where user = 'root'; |
这样在远端就可以通过root用户访问Mysql.
另一种方法
mysql默认是不可以通过远程机器访问的,通过下面的配置可以开启远程访问.
我的mysql环境是ubuntu+mysql5
1.修改/etc/mysql/my.conf,修改bind-address,指定为本机实际ip地址,你的my.con修改完大概是如下的样子
代码如下 | 复制代码 |
[mysqld] # |
2.用root登陆mysql执行如下命令
代码如下 | 复制代码 |
grant all on sonardb.* to sonar@'%' identified by '123456'; grant all on sonardb.* to sonar@localhost identified by '123456'; |
sonardb替换为你想访问的数据库名,sonar是你的想使用的用户名,123456替换为你的密码,这样就开启了远程访问功能.
更多详细内容请查看:http://www.111cn.net/database/mysql/34989.htm
上面的两种方法一种是直接用root用户在cmd模式下操作,一种是在配置文件里面操作,大同小义了吧。

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