PostgreSQL setup and Installation

Follow is the link to install PostgreSQL in ubuntu

I faced some issues in above link that some of commands did not work. So, I have extracted those commands that work for me. These are following:

1) In your terminal run these following commands:

sudo apt-get install postgresql-client
sudo apt-get install postgresql

pgAdmin III is a handy GUI for PostgreSQL, it is essential to beginners. To install it, type at the command line:

sudo apt-get install pgadmin3

Basic Server Setup:
To start off, we need to change the PostgreSQL postgres user password; we will not be able to access the server otherwise. As the “postgres” Linux user, we will execute the psql command.

sudo -u postgres psql postgres

Set a password for the “postgres” database role using the command:

\password postgres

Type Control+D to exit the posgreSQL prompt.

Install phppgadmin:

sudo apt-get install phppgadmin

for more about phppgadmin:
Setup username and password for phppgadmin:

sudo -u postgres createuser --superuser write_user_name
sudo -u postgres psql
\password again_write_same_user_name

It will ask to enter password two times. Then press Ctrl + D to exit from pgsql command prompt.
In browser hit: localhost/phppgadmin
Click PostgreSQL at left of window, to connect it with server. Now it will ask for username and password. Here you will use recently created above username and password.
You will see only one database named as “postgres”.

Now we will do setup of pg in our project.

Open your project and in Gemfile of it, add:

gem 'pg', '0.15.1'

In database.yml:

common: &common
  pool: 5
  timeout: 5000
  username: write_username_that_was_used_to_loggedIn_at_phppgAdmin
  password: write_password_that_was_used_to_loggedIn_at_phppgAdmin
  adapter: postgresql
  host: localhost
  port: 5432

  <<: *common
  database: datebase_name_for_development
  <<: *common
  database: database_name_for_test
  <<: *common
  database: database_name_for_production

In terminal goto your project directory and run following commands to create database of your project:

rake db:create
rake db:migrate
rake db:seed

Setup has completed. 🙂


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