Skip to content

Contact sales

By filling out this form and clicking submit, you acknowledge our privacy policy.
  • Labs icon Lab
  • A Cloud Guru
Google Cloud Platform icon
Labs

Installing PostgreSQL on CentOS

PostgreSQL is the world's most advanced open source database. Its stability, functionality, and extensibility make it a primary choice for an RDBMS solution. In this hands-on lab scenario you are the DBA for Awesome Company. You have been tasked with building a PostgreSQL database backend to facilitate the development of a new web application. This will help you become familiar with how to install the software, initialize the database, and make an initial connection as the administrative user.

Try for free Contact sales
Google Cloud Platform icon
Labs

Path Info

Level
Clock icon Intermediate
Duration
Clock icon 15m
Published
Clock icon Mar 20, 2020

Contact sales

By filling out this form and clicking submit, you acknowledge our privacy policy.

Table of Contents

  1. Challenge

    Install the PostgreSQL Software

    • Open the distribution .repo file in vi: 
      $ sudo vi /etc/yum.repos.d/CentOS-Base.repo
    • Exclude PostgreSQL by appending the following line to both the [base] and [updates] sections: 
      $ exclude=postgresql*
    • Download and install the PGDG file from postgresql.org: 
      $ sudo yum -y install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
    • Install PostgreSQL 12: 
      $ sudo yum install -y postgresql12-server postgresql12-contrib

  2. Challenge

    Initialize the Database

    • Initialize the database: 
      $ sudo /usr/pgsql-12/bin/postgresql-12-setup initdb
    • Start and enable the postgresql-12 service: 
      $ sudo systemctl start postgresql-12
$ sudo systemctl enable postgresql-12

  3. Challenge

    Connect as the Default User

    • Change to the postgres user and launch psql: 
      $ sudo su - postgres
$ psql
A Cloud Guru - Labs - Installing PostgreSQL on CentOS
Author
A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

Provided environment for hands-on practice

We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.

Start learning by doing today

View Plans