How to Install PostgreSQL 13 on CentOS 8
In this tutorial, we’ll walk you through the installation and initial configuration of PostgreSQL 13 on CentOS 8. Updates for PostgreSQL 13 will be released for five years through November 2025. You must run all commands as root.
Installing PostgreSQL 13 packages
Add PostgreSQL repository to the system.
dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
Turn off the PostgreSQL modules with an older version present in the system.
dnf -qy module disable postgresql
Let’s install PostgreSQL 13 server.
dnf install -y postgresql13-server
Initial configuration
Initialize the database.
/usr/pgsql-13/bin/postgresql-13-setup initdb
Initializing database ... OK
Start and enable autostart of the PostgreSQL service.
systemctl enable --now postgresql-13
Set a password for the postgres user.
su - postgres
psql -c "alter user postgres with password 'psql-user-pass'"
ALTER ROLE
exit
logout
Creating a new PostgreSQL user
To create a new user in PostgreSQL, you first need to create it in the system itself.
adduser username
passwd username
Log in as postgres.
su - postgres
Create a database user.
createuser username
Create a database for this user.
createdb username
The new user can now work with PostgreSQL. Let’s log in. Enter username’s password when prompted.
su - username
Password:
Enter the PostgreSQL command line.
psql
psql (13.1)
Type "help" for help.
username=>
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