Home Database Mysql Tutorial 解决不能远程连接Linux服务器上MySQL的问题

解决不能远程连接Linux服务器上MySQL的问题

Jun 07, 2016 pm 03:19 PM
linux mysql server Remotely connect question

今天在实验室的服务器上安装MySQL,装好后却发现远程的电脑无法连接到MySql服务器。服务器操作系统是Ubuntu 14.04。于是在网上查了些资料,折腾了半天后终于搞定了,下面是具体的步骤。 安装好MySQL后,修改如下文件 sudo vim /etc/mysql/my.cnf 找到 bind-a

今天在实验室的服务器上安装MySQL,装好后却发现远程的电脑无法连接到MySql服务器。服务器操作系统是Ubuntu 14.04。于是在网上查了些资料,折腾了半天后终于搞定了,下面是具体的步骤。


安装好MySQL后,修改如下文件

<code>sudo vim /etc/mysql/my.cnf
</code>
Copy after login

找到bind-address = 127.0.0.1,将绑定地址改成0.0.0.0或者直接将该行注释掉

然后启动MySQL服务

<code>sudo /etc/init.d/mysql start
</code>
Copy after login

打开MySQL

<code>sudo mysql -uroot -p
</code>
Copy after login

输入密码,进入MySQL命令行,在MySQL命令行中执行下列命令

<code>grant all PRIVILEGES on *.* to root@'%' identified by 'onePassword';
</code>
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执行

<code>use information_schema
select * from user_privileges;
</code>
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如果查询有如下的结果:'root'@'%',说明mysql已经授权远程连接。
退出MySQL命令行,在终端中执行

<code>iptables -A INPUT -p tcp --dport 3306 -j ACCEPT
</code>
Copy after login

将3306端口添加到iptables中。
最后执行以下命令,重新启动MySQL服务

<code>sudo /etc/init.d/mysql restart
</code>
Copy after login

然后其他的电脑就可以远程连接服务器上的MySLQ了,问题虽然不大,也不是第一次遇到了,但是每次都要花费很多的时间才能解决,做个小记录,以防今后再碰到类似的问题,又要从头开始。

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