Installing Odoo in DigitalOcean

Hello,

I’m installing Odoo 8 in an Ubuntu server 14.04 following this tutorial https://chavamm.wordpress.com/2014/10/11/instalacion-de-openerp-7-0-y-odoo-8-0-en-linux-ubuntu-server-14-04-lts/ if I do it in my own computer it works well, but trying to install it in my server in DigitalOcean when I do this command:

“sudo nano /etc/postgresql/9.3/main/pg_hba.conf”

It sent me like if that folder not exists, and if I check the location it not exists, there are no folder named postgresql, there’s only one named postgresql-common but it’s not the same.

Also when I do the command “psql --version” it sent to me the message: perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_PAPER = “es_MX.UTF-8”, LC_ADDRESS = “es_MX.UTF-8”, LC_MONETARY = “es_MX.UTF-8”, LC_NUMERIC = “es_MX.UTF-8”, LC_TELEPHONE = “es_MX.UTF-8”, LC_IDENTIFICATION = “es_MX.UTF-8”, LC_MEASUREMENT = “es_MX.UTF-8”, LC_TIME = “es_MX.UTF-8”, LC_NAME = “es_MX.UTF-8”, LANG = “en_US.UTF-8” are supported and installed on your system. perl: warning: Falling back to the standard locale (“C”). psql (PostgreSQL) 9.3.9

Does anybody knows what is happening ?