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Installing PostgreSQL on RedHat

The Kong installation instructions for RedHat focus on Kong. These instructions add some additional steps to get PostgreSQL setup. These exact installation steps come from an EC2 instance of RedHat Enterprise Linux 7, but can be generally applied to most Linux releases as well.

As the ec2 default user run the following:

sudo yum install postgresql94 postgresql94-server
sudo /usr/pgsql-9.4/bin/postgresql94-setup initdb
sudo systemctl enable postgresql-9.4
sudo systemctl start postgresql-9.4
sudo -i -u postgres (this drops you into a new shell)
# psql
> CREATE USER kong; CREATE DATABASE kong OWNER kong; ALTER USER kong WITH password 'kong';
> \q
# exit

Change “ident” to “md5”

sudo vi /var/lib/pgsql/9.4/data/pg_hba.conf

The configuration line will look like this:

host all all md5

Restart PostgreSQL

sudo systemctl restart postgresql-9.4.service

Continue with the “migrations up” step from the Kong install instructions.