解决MySQL无法远程连接的方法_MySQL
在远程主机上,我开启了mysql 服务,用 phpmyadmin 可以打开,比如说用户名为 root,密码为 123456。不过用 Mysql 客户端远程连接时却报了错误,比如 Mysql-Front 报了如下错误。
Access denied for user ‘root'@'121.42.8.33′(using password:YES)
比较奇怪,phpmyadmin 可以正常访问,而 Mysql-Front 为什么无法连接呢?可能的原因,应该就是 IP 限制了,phpmyadmin在连接时使用的是localhost,而我们访问页面才使用的远程主机的 IP,而 Mysql-Front 连接的是远程主机。
解决方法如下,我们需要新建一个用户,然后授予所有 IP 可以访问的权限就好啦。
在下面的 sql 语句中,username 即为用户名,password 为你要设置的密码:
CREATE USER 'username'@'localhost' IDENTIFIED BY 'password'; GRANT ALL PRIVILEGES ON *.* TO 'username'@'localhost' WITH GRANT OPTION; CREATE USER 'username'@'%' IDENTIFIED BY 'password'; GRANT ALL PRIVILEGES ON *.* TO 'username'@'%' WITH GRANT OPTION; CREATE USER 'username'@'localhost' IDENTIFIED BY 'password'; GRANT ALL PRIVILEGES ON *.* TO 'username'@'localhost' WITH GRANT OPTION; CREATE USER 'username'@'%' IDENTIFIED BY 'password'; GRANT ALL PRIVILEGES ON *.* TO 'username'@'%' WITH GRANT OPTION;
通过执行以上语句,便创建了一个用户名为 username,密码为 password 的新账户,再用新账号登录,就可以连接成功啦。

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