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Security in MySQL  /  ...  /  Installing the PAM Authentication Plugin Installing the PAM Authentication Plugin

The PAM authentication plugin must be located in the MySQL plugin directory (the directory named by the plugin_dir system variable). If necessary, set the value of plugin_dir at server startup to tell the server the plugin directory location.

To enable the plugin, start the server with the --plugin-load option. For example, put the following lines in your my.cnf file. If library files have a suffix different from .so on your system, substitute the correct suffix.


To verify plugin installation, examine the INFORMATION_SCHEMA.PLUGINS table or use the SHOW PLUGINS statement (see Obtaining Server Plugin Information). For example:

    -> WHERE PLUGIN_NAME LIKE 'authentication%';
| authentication_pam | ACTIVE        |

To associate a MySQL account with the PAM plugin, use the plugin name authentication_pam in the IDENTIFIED WITH clause of CREATE USER or GRANT statement that creates the account.

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