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34 lines
1.1 KiB
Markdown
34 lines
1.1 KiB
Markdown
### Authentication on MySQL 5.7+
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In MySQL 5.7+ (e.g. on Ubuntu 16.04 and Ubuntu18.04) there is a new authentication schema
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https://dev.mysql.com/doc/mysql-security-excerpt/5.7/en/socket-authentication-plugin.html
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and authentication as in the previous database versions, will not work.
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As a quick solution, you can restore the old authentication as follows.
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Log into MySQL from the command line
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```
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$ mysql -uroot -hlocalhost
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```
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Make sure to specify `localhost`, specifying `127.0.0.1` might end up in an `ERROR 1698 (28000): Access denied for user 'root'@'localhost'`.
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Then, set `mysql_native_password` as authentication plugin:
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```
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mysql> update mysql.user set plugin="mysql_native_password";
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Query OK, 1 row affected (0,00 sec)
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Rows matched: 3 Changed: 1 Warnings: 0
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mysql> flush privileges;
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Query OK, 0 rows affected (0,01 sec)
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mysql> ^DBye
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```
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Authentication plugin `mysql_native_password` can be set also for a single user (or for a subset of them) by adding a `WHERE` clause to the query above
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```
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mysql> update mysql.user set plugin="mysql_native_password" WHERE user='root';
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Query OK, 0 rows affected (0,00 sec)
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Rows matched: 1 Changed: 0 Warnings: 0
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```
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