cat bitnami_application_password
여기서 나오는걸로 일단 도전해보고 안되면
UPDATE mysql.user SET authentication_string=password('암호') WHERE user='root'; FLUSH PRIVILEGES;
ALTER USER 'root'@'localhost' IDENTIFIED BY '암호'; FLUSH PRIVILEGES;
UPDATE mysql.user SET password=PASSWORD('암호') WHERE user='root' FLUSH PRIVILEGES;
FLUSH PRIVILEGES
UPDATE mysql.user SET authentication_string=password('암호') WHERE user='root';
FLUSH PRIVILEGES
mysql 정지 -> safemode로 mysql 실행해준 후에 -> bitnami mysql restart 스크립트 실행
docs.bitnami.com/ibm/infrastructure/mysql/administration/change-reset-password/