How to reset Ambari server password to admin ?

First you need to check which database are you using . For that run below command on ambari server.

cat /etc/ambari-server/conf/ | grep server.jdbc.database


Now as per the DATABASE_TYPE you need to select by which method you need to go.

1. If DATABASE_TYPE is postgresql

You need to log into the Postgres Database:

A. Log on toPostgres Database host shell

B. Run ‘psql -U ambari ambari’

C. Enter password ‘bigdata’

D. In psql:

update ambari.users set user_password=’538916f8943ec225d97a9a86a2c6ec0818c1cd400e09e03b660fdaaec4af29ddbb6f2b1033b81b00′ where user_name=’admin’

E. Quit psql

F. Run ‘ambari-server restart’ from ambari server host shell.

This will reset the admin account back to the password of ‘admin’ also please note Password in #C above is stored in /etc/ambari-server/conf/password.dat file on ambari server host.


2. If DATABASE_TYPE is Mysql

A. Log on to MySql Database host shell

B. Login as root user mysql -u root -p ( press enter, it will ask for password)

C. mysql>use mysql;

D. SET PASSWORD FOR ‘admin’@’localhost’= PASSWORD(‘admin’);


UPDATE mysql.user SET Password=PASSWORD(‘admin’) WHERE User=’admin’ AND Host=’localhost’;

localhost can be FQDN based on mysql setup

E. Quit mysql

F. Run ‘ambari-server restart’ from ambari server host shell.


3. If DATABASE_TYPE is Oracle

A. Log on to Oracle Database host shell

B. Login as sys or system user

C. sqlplus sys as sysdba

D. alter user admin identified by ‘admin’;

E. Quit Oracle

F. Run ‘ambari-server restart’ from ambari server host shell.


23 thoughts on “How to reset Ambari server password to admin ?”

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