Fixx Odoo CRM access in my VPS Server

I have install in a VPS Server Ubuntu 14.04.5 with Odoo CRM 8 for some reason, after the install of odoo 8 when i login to the ip of the server to access to the web console to create the new data base, the system say that the password is wrong. I think that is the password of the Master User of Odoo. I need tha somebody help me to review the postgre database install, check the odoo file and change the password to access and creat databse