mysql设置允许外部访问
配置外部访问帐号密码
本地登录mysql
mysql -uroot -p
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执行
grant all on *.* to rails@'client_ip' identified by 'password' with grant option;
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例子：所有局域网客户端都可访问
grant all on *.* to root@'192.168.0.%' identified by 'root' with grant option;
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例子：为boyu数据库设置用户boyu
grant all on boyu.* to boyu@'192.168.0.%' identified by 'p4ssword';
?app_server_id为APP应用服务器的IP
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设置mysql外部能访问
/etc/mysql/my.cnf
注释到下面这行
bind-address = 127.0.0.1
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重启mysql-server
sudo service mysql restart
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