How to Install PostgreSQL on Ubuntu

What is PostgreSQL?

PostgreSQL is a powerful, open-source relational database management system that provides robust data storage, management, and retrieval capabilities. It is one of the most popular and widely used database systems in the world and is known for its advanced features such as multi-version concurrency control, extensibility, and support for JSON and other data types. PostgreSQL is available for use on various operating systems including Linux and can be used with a wide range of programming languages, frameworks, and tools. With PostgreSQL, users can store and manipulate large amounts of data, and build complex and scalable applications with ease.

How to Install PostgreSQL on Ubuntu

To install PostgreSQL on Ubuntu, you can follow these steps:

Update your system’s package list:

sudo apt update

Install PostgreSQL and its command-line client:

sudo apt install postgresql postgresql-client

Check that the PostgreSQL service is running:

sudo systemctl status postgresql

If PostgreSQL is not running, start the service:

sudo systemctl start postgresql

To ensure that PostgreSQL starts automatically at boot time, enable the service:

sudo systemctl enable postgresql

After installation, you can connect to the PostgreSQL server using the psql command:

sudo -u postgres psql

This will log you in as the postgres user, which is the default superuser account in PostgreSQL.

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