又是一篇因错误而起的经验分享,有帮助就点个赞吧! |
物理机环境:Win10、Navicat15
虚拟机环境:Ubuntu19.03、Mysql 8.0.20
在下载好Mysql之后(方法见前一篇文章),试图在物理机Navicat连接虚拟机mysql,输入虚拟机IP地址出现:
2003 - Can’t connect to MySQL server on ‘192.168.*.*’ (10060 “Unknown error”)
回到虚拟机查看mysql用户属性:
use mysql;
select user,authentication_string,host from user;
发现连接只支持Localhost,所以进行修改,在网上查到可用如下代码解决:(本文中用户名为root)
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '密码' WITH GRANT OPTION;
但是出现了错误:
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘IDENTIFIED BY ‘root’ WITH GRANT OPTION’ at line 1
发现是Mysql 8改版,不再支持上述语法。
直接向用户授权:
grant all privileges on *.* to 'root'@'%' with grant option;
但是出现如下错误:
ERROR 1410 (42000): You are not allowed to create a user with GRANT
所以尝试直接修改用户的host值:
update user set host='%' where user='root';
此时到Navicat连接发现新的报错:
1251 - Client does not support authentication protocol request by server; consider upgrading MySQL client.
发现是MySQL8加密方式与Navicat不符。
回到虚拟机修改加密方式:
alter user root identified with mysql_native_password by '密码';
欢迎指正与讨论! |