大家在远程连接mysql的时候应该碰到过,root用户的mysql,只可以本地连,对外拒绝连接。
我们需要建立一个允许远程登录的数据库帐户,这样你可以方便进行在本地远程操作数据库了。
方法如下:
1.确认登陆权限
默认情况下Linux内的mysql数据库mysql,user表内的用户权限只是对localhost即本机才能登陆。
需要更改权限:
如下的方式确认:
root#mysql -h localhost -u mysql -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 4 to server version: 4.0.20a-debug
Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the buffer.
mysql> use mysql; (此DB存放MySQL的各种配置信息)
Database changed
mysql> select host,user from user; (查看用户的权限情况)
mysql> select host, user, password from user;
+-----------+------+-------------------------------------------+
| host | user | password |
+-----------+------+-------------------------------------------+
| localhost | root | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| 127.0.0.1 | root | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| localhost | | |
+-----------+------+-------------------------------------------+
4 rows in set (0.01 sec)
由此可以看出,只能以localhost的主机方式访问。
2.解决方法:
mysql> Grant all privileges on *.* to ‘root‘ @‘%‘ identified by ‘mysql‘ with grant option;
(%表示是所有的外部机器,如果指定某一台机,就将%改为相应的机器名;‘root’则是指要使用的用户名,)
mysql> flush privileges; (运行为句才生效,或者重启MySQL)
Query OK, 0 rows affected (0.03 sec)
再次查看。。
mysql> select host, user, password from user;
+-----------+------+-------------------------------------------+
| host | user | password |
+-----------+------+-------------------------------------------+
| localhost | root | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| 127.0.0.1 | root | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
| localhost | | |
| % | root | *4ACFE3202A5FF5CF467898FC58AAB1D615029441 |
+-----------+------+-------------------------------------------+
4 rows in set (0.01 sec)
可以看出已经添加了一个新的用户
退出,试试效果....
成功登录..