设置允许远程连接MySQL (Ubuntu为例)

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> use mysql

#查看当前设置
mysql> select host,user from user;

#修改
mysql> UPDATE user SET host=‘%‘ WHERE user=‘root‘ AND host=‘localhost‘ LIMIT 1;  --‘%‘表示所有允许主机远程，此处可以填写信任的主机

#方法二 新建用户，同时设置允许远程连接

mysql> GRANT ALL PRIVILEGES ON *.* TO ‘root‘@‘192.168.0.154‘ IDENTIFIED BY ‘‘ WITH GRANT OPTION;  - -或允许所有ip访问：
mysql> GRANT ALL PRIVILEGES ON *.* TO root@"%" IDENTIFIED BY "mysqluser";

‘‘‘
MySQL在ubuntu下的配置位于 /etc/mysql/my.cnf

如果不是的话，可以使用命令
locate my.cnf
查找
‘‘‘

root@ubuntu:/etc/mysql# vi my.cnf 
找到
...
bind-address       = 127.0.0.1
...

注释掉
#bind-address       = 127.0.0.1

:wq保存