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ubuntu mysql远程连接问题解决方法_MySQL

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Release： 2016-06-01 13:36:14
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  今天在配置opennebula 3.8的时候，当执行one start启动时，报不能连接数据库的错误，
但是在shell下输入mysql -uroot -p是可以登录的，所以问题应该是mysql不允许root用户远程
登录的问题，于是通过输入下面命令：


GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY 'password' WITH GRANT
OPTION;

重启mysql后，发现还是连不上，于是想到是不是防火墙（ufw）或是iptables禁用了3306端口。
通过service iptables stop和ufw status，查看发现并不是防火墙或iptables的问题，而且通过
netstat可以看到3306端口处于监听状态。

   排除了以上因素之后，又google了下，发现问题出现mysql的配置文件my.cnf中，通过如下
修改，重启mysql后，成功远程登录，opennebula成功连上mysql数据库。


sudo vim /etc/mysql/my.cnf
//找到如下内容，并注释
bind-address = 127.0.0.1   注释掉 bind-address = 127.0.0.1 后重启mysql即可！如果不注
释掉，通过netstat可以查看到，306端口只是在IP 127.0.0.1上监听，所以拒绝了其他IP的访问。

ubuntu mysql远程连接问题解决方法_MySQL

 


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