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Article ID: 763, created on Oct 6, 2008, last review on May 11, 2014


First of all make sure that Postgres is not running:

ps ax | grep postmaster

Check Postgres log (by default logs stored in /var/log/pgsql, on Fedora Core /var/lib/pgsql). If you see the error like:

postmaster: cannot create UNIX stream port
LOG: StreamServerPort: bind() failed: Address already in use
Is another postmaster already running on port 5432?
If not, remove socket node (/tmp/.s.PGSQL.5432) and retry.

This socket should be deleted:

rm -f /tmp/.s.PGSQL.5432

Try to start Postgres again. If it doesn't help look into the logs for new errors.

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