PostgreSQL on Ubuntu is a powerful and highly scalable database management system that is widely used in various industries across the globe. Its reliability and open-source nature make it one of the most preferred database management systems. In this article, we will guide you through the process of installing and getting started with PostgreSQL on Ubuntu 20.04.
Before we jump into installation, let's briefly understand what PostgreSQL is and what makes it stand out from other database management systems. PostgreSQL, also known as Postgres, is an open-source relational database management system. It is highly secure and offers a robust set of features, including support for foreign keys, triggers, and stored procedures. Additionally, PostgreSQL is highly scalable and can be used to manage hundreds of millions of records.
Now let's get started with the installation process. The first step is to update the package lists on your Ubuntu system. You can do this by running the following command in the terminal:
sudo apt-get update
Once the package lists are updated, we can proceed with installing PostgreSQL. We will install the Postgres server and client packages, which include the necessary software to create and manage databases. Run the following command to install the packages:
sudo apt-get install postgresql postgresql-contrib
Once the installation is complete, you can check the status of the PostgreSQL service by running the following command:
sudo systemctl status postgresql
If the service is running, you will see a message stating that the service is active and running. Now that the service is up, we can move on to creating a new PostgreSQL user.
To create a new PostgreSQL user, we will switch to the default PostgreSQL user account, known as postgres:
sudo su - postgres
Once we are logged in as the postgres user, we can create a new user by running the following command:
createuser --interactive
This will prompt you to enter a username and determine whether the user should be able to create new databases or not. Choose the appropriate options to create your new user.
Now that we have created our new PostgreSQL user, we can exit the postgres user account:
exit
That's it! You have successfully installed and configured PostgreSQL on your Ubuntu system. You can now create new databases and start working with the powerful and highly scalable PostgreSQL database management system.
In conclusion, PostgreSQL on Ubuntu is an extremely powerful database management system that is highly reliable and scalable. Its open-source nature makes it highly preferred in the industry all over the world. We hope this guide has helped you understand how to install and get started with PostgreSQL on Ubuntu 20.04.
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