ubuntu mysql8 连接navicat

mysql -uroot -p

更改加密方式：
mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;
Query OK, 0 rows affected (0.10 sec)

更改密码：

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password';
Query OK, 0 rows affected (0.35 sec)

刷新：

mysql> FLUSH PRIVILEGES;
Query OK, 0 rows affected (0.28 sec)

修改host

update mysql.user set host = '%' where user = 'username';

FLUSH PRIVILEGES;

不行就再重启

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