Mysql8 允许远程登录

root@vultr:~/mysql8# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 8.0.29 MySQL Community Server - GPLCopyright (c) 2000, 2022, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -ADatabase changed
mysql> select host,user from user where user='root';
+-----------+------+
| host      | user |
+-----------+------+
| localhost | root |
+-----------+------+
1 row in set (0.00 sec)mysql> update user set host='%' where user='root' and host='localhost';
Query OK, 1 row affected (0.01 sec)
Rows matched: 1  Changed: 1  Warnings: 0mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)mysql> select host,user from user where user='root';
+------+------+
| host | user |
+------+------+
| %    | root |
+------+------+
1 row in set (0.00 sec)