title: Django 1.6 - Why can't I change from SQLite to PostgreSQL?
body: <p>I already changed the settings.py:</p>
  
  <pre><code>DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.postgresql_psycopg2',
          'NAME': 'examdatabase',
          'USER': 'examdatabaseuser',
          'PASSWORD': '11111',
          'HOST': '127.0.0.1',
          'PORT': '5432',
      }
  }
  </code></pre>
  
  <p>I also installed PostgreSQL, and created a database:</p>
  
  <pre><code>sudo apt-get install python-psycopg2
  sudo apt-get install postgresql
  
  sudo su - postgres 
  createuser --superuser examdatabaseuser
  psql
  \password examdatabaseuser
  createdb examdatabase
  </code></pre>
  
  <p>I deleted the sqlite database file in my project, but when I run the command <code>python manage.py runserver</code> it still uses sqlite. Why?</p>
  
  <p>Related info: I use virtualenv (/home/py3env). Ubuntu Server 14.04 LTS.</p>