How reset Plesk Admin Password on Plesk 12.5 with CentOS 7

Hello guys, i already tried every tutorial in the internet, from Plesk, from Odin, etc etc, when i access the Plesk i got the message:

ERROR: PleskDBException: Unable to connect to database: mysql_connect(): Access denied for user 'admin'@'localhost' (using password: YES) (Error code: 1045) (Abstract.php:69)

i know the right admin password for MySQL and for Plesk, but when i try to use the command :
"mysql -uadmin -p`cat /etc/psa/.psa.shadow` psa" i got "ERROR 1045 (28000): Access denied...

How reset Plesk Admin Password on Plesk 12.5 with CentOS 7