How to install odoo 8 on Ubuntu

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how to recover admin password in Odoo

You may change admin password using progresql from the terminal. You just need to do like these

odoo@odedra:~$ psql testing_db
psql (9.1.14)
Type "help" for help.

testing_db=# UPDATE res_users SET password='new_password' WHERE login = 'admin';
UPDATE 1

where testing_db is database name.

Now login with new password and change user details whatever you want.