在命令行中打开mysql的bin目录
输入 mysql -uroot -p,进入mysql
mysql> USE mysql; -- 切换到 mysql DB
Database changed
mysql> SELECT User, Password, Host FROM user; -- 查看现有用户,密码及允许连接的主机
+------+----------+-----------+
| User | Password | Host |
+------+----------+-----------+
| root | | localhost |
+------+----------+-----------+
row in set (0.00 sec)
mysql> grant all privileges on *.* to root@'%' identified by "111111";
即可实现可以远程访问本机的mysql,注:"111111"为mysql的密码
mysql> -- 只有一个默认的 root 用户, 密码为空, 只允许 localhost 连接
mysql> -- 下面我们另外添加一个新的 root 用户, 密码为空, 只允许 192.168.1.100 连接
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.100' IDENTIFIED BY '' WITH GRANT OPTION;
在mysql下输入
mysql> -- @'192.168.1.100'可以替换为@‘%’就可任意ip访问,当然我们也可以直接用 UPDATE 更新 root 用户 Host, 但不推荐, SQL如下:
mysql> -- UPDATE user SET Host='192.168.1.100' WHERE User='root' AND Host='localhost' LIMIT 1;
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
复制代码
修改root密码
mysql> use mysql
Database changed
mysql> update user set password=PASSWORD('123456') where user='root';
Query OK, 0 rows affected (0.00 sec)
Rows matched: 1 Changed: 0 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)