SELECT User, Password, Host FROM user; -- 查看现有用户,密码及允许连接的主机
-- 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 GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.100' IDENTIFIED BY '' WITH GRANT OPTION; --ip改为%就是允许任意ip去连接 GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '' WITH GRANT OPTION; -- 当然我们也可以直接用 UPDATE 更新 root 用户 Host, 但不推荐, SQL如下: UPDATE user SET Host='192.168.1.100' WHERE User='root' AND Host='localhost' LIMIT 1;
这么说我还想起了一个问题了 直接 use mysql; update user set host='localhost',user='root' 试试
GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.100' IDENTIFIED BY '' WITH GRANT OPTION;
--ip改为%就是允许任意ip去连接
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '' WITH GRANT OPTION;
-- 当然我们也可以直接用 UPDATE 更新 root 用户 Host, 但不推荐, SQL如下: UPDATE user SET Host='192.168.1.100' WHERE User='root' AND Host='localhost' LIMIT 1;
直接
use mysql;
update user set host='localhost',user='root' 试试
update user set host='%',user='root'
[收集]mysql 无法联接故障现象及原因