I manage to solve this problem using this guid: http://www.springmerchant.com/blog/psycopg2-virtualenv-install-pg_config-executable-not-found/
(django_project)alekto@kalahari:~/Web/prosjekt/django_project$ python manage.py validate 0 errors found Thank you for you time. Have a nice day :) -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users. For more options, visit https://groups.google.com/groups/opt_out.