Configure PostgreSQL by storing the database files in an alternative location, initializing the data directory, setting the database service to start on boot, and start the database service.
- (Optional) If you are migrating to PostgreSQL 12 from an older version follow the steps in the section Upgrading to PostgreSQL 12.
- Initialize the PostgreSQL data directory:
sudo -u postgres /usr/pgsql-12/bin/initdb --encoding UTF8 /var/lib/pgsql/12/data
- Set the database service to start on boot:
sudo systemctl enable postgresql-12
- If you are migrating from an older version of PostgreSQL, you will need to stop the old version and disable the old one before proceeding to the next step.
- Start the database service:
sudo systemctl start postgresql-12
- Check the status:
sudo systemctl status postgresql-12
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