Problems connecting to PostgreSQL

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From	Cecil Westerhof <Cecil@decebal.nl>
Newsgroups	comp.lang.python
Subject	Problems connecting to PostgreSQL
Date	Sun, 08 Nov 2015 00:40:11 +0100
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I followed http://zetcode.com/db/postgresqlpythontutorial/.

I used:
    sudo -u postgres createuser stressTest
this create the role, but also gave:
    could not change directory to "/root": Permission denied
and I did not get the questions.

Then I used:
    sudo -u postgres createdb stressTest -O stressTest
This gave also:
    could not change directory to "/root": Permission denied

The database is created, but when I execute:
    conn = psycopg2.connect(database = postgres_database, user = 'stressTest')
I get:
    psycopg2.OperationalError: FATAL:  Peer authentication failed for user "stressTest"

What do I need to do to get things working?

-- 
Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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Problems connecting to PostgreSQL Cecil Westerhof <Cecil@decebal.nl> - 2015-11-08 00:40 +0100
  Re: Problems connecting to PostgreSQL Chris Angelico <rosuav@gmail.com> - 2015-11-08 10:54 +1100
  Re: Problems connecting to PostgreSQL Chris Warrick <kwpolska@gmail.com> - 2015-11-08 09:36 +0100
    Re: Problems connecting to PostgreSQL Cecil Westerhof <Cecil@decebal.nl> - 2015-11-09 13:59 +0100

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