Installing PostgreSQL 9.6 on CentOS 7 / Red Hat 7

Modified on Mon, 10 Oct 2022 at 01:32 PM

The installation of PostgreSQL 9.6 needs to be done before installing Newired Portal

Below are listed all the commands to execute on the terminal of the server.

  1. Add the PostgreSQL 9.6 Repository
    yum install -y

  2. Install PostgreSQL 9.6
    yum install postgresql96 postgresql96-server postgresql96-contrib postgresql96-libs -y

  3. Init the PostgreSQL 9.6 service
    /usr/pgsql-9.6/bin/postgresql96-setup initdb

  4. Enable the PostgreSQL 9.6 service
    systemctl enable postgresql-9.6.service

  5. Start the PostgreSQL 9.6 service
    systemctl start postgresql-9.6.service

  6. Set the password for superuser postgres
    echo "ALTER USER postgres WITH PASSWORD '__NEW_PASSWORD__';" | su postgres -c "psql"

  7. Now, you need to allow the connection from localhost to the database over password.
    To do that, edit the file /var/lib/pgsql/9.6/data/pg_hba.conf and change

    host    all         all            indent

    host    all         all            md5

  8. Restart the service
    systemctl restart postgresql-9.6.service

  9. Test the connection superuser (postgres) over password
    psql -h -U postgres -W

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