# To download OpenERP package
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# http://nightly.odoo.com/7.0/nightly/deb/
* Download you .tar.gz package
* unzip file
* check addons on dir_name/openerp

# To Download Postgres
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# https://doc.odoo.com/install/linux/postgres/
* install postgres package
$ sudo apt-get install postgresql
* install interface
$ sudo apt-get install pgadmin3
* login to the super user that called postgres
$ sudo su postgres
* create user for OpenERP
$ createuser account_name
* if he ask you about set user as super user press yes
* if not after finish add folowing commands
$ psql template1
$ ALTER USER account_name WITH SUPERUSER;
* check list of tables
$ psql -l
* to use template1 table 
$ psql template1
* add password to the new user
$ alter role account_name with password 'password';
* to check the pgadmin
# https://doc.odoo.com/doc_static/7.0/_images/new_server_registration.png

after that you can stop the apache "if exists" and change Odoo port to port 80