# How to debug Percona PAM Authentication plugin for MySQL?

**URL:** <https://forums.percona.com/t/how-to-debug-percona-pam-authentication-plugin-for-mysql/4721>\
**Category:** Other MySQL® Questions\
**Created:** [February 14, 2016, 9:08am UTC](https://forums.percona.com/t/how-to-debug-percona-pam-authentication-plugin-for-mysql/4721 "2016-02-14T09:08:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![vitaly\_il](https://avatars.discourse-cdn.com/v4/letter/v/cab0a1/32.png) [@vitaly\_il](https://forums.percona.com/u/vitaly_il)\
**Post date:** [February 14, 2016, 9:08am UTC](https://forums.percona.com/t/how-to-debug-percona-pam-authentication-plugin-for-mysql/4721/1 "2016-02-14T09:08:33Z")

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Percona PAM Authentication plugin for MySQL is very useful addon for community MySQL server.  
But - is there some debug flag for more verbosity? Like AUTHENTICATION\_PAM\_LOG environment value for similar Oracle plugin?

TIA, Vitaly