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无法通过 TCP 连接到本地 MySQL（错误 1045）

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无法通过 TCP 连接到本地 MySQL（错误 1045）

[email protected]存在，但仍然无法连接到本地 MySQL。看起来 MySQL 验证的是主机名，而不是本地 ip（127.0.0.1）。

root@castle /v/l/mysql# mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 9
Server version: 5.6.22 MySQL Community Server (GPL)

Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.

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 -A

Database changed
mysql> select user, host from user where user='root';
+------+-----------+
| user | host      |
+------+-----------+
| root | 127.0.0.1 |
| root | ::1       |
| root | castle    |
| root | localhost |
+------+-----------+
4 rows in set (0.00 sec)

mysql> exit;
Bye
root@castle /v/l/mysql# mysql -u root -h 127.0.0.1
ERROR 1045 (28000): Access denied for user 'root'@'lixxx-yyy.members.linode.com' (using password: NO)

答案1

“lixxx-yyy.members.linode.com”从哪里来的？检查你的 /etc/hosts 文件。

尝试：

host 127.0.0.1

期望看到：

1.0.0.127.in-addr.arpa domain name pointer localhost.

您可以将该主机添加到主机表以允许 root 连接，或者尝试将“127.0.0.1”按预期解析为“localhost”。

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