Howto: Debian / Ubuntu Linux Install PostgreSQL Database Server

To install the PostgreSQL database server on a Debian or Ubuntu Linux machine, follow these steps:

1. Update the package manager's package list by running the following command:

sudo apt-get update

2. Install the PostgreSQL server package by running the following command:

sudo apt-get install postgresql

3. After the installation is complete, the PostgreSQL server should be automatically started. To check if the server is running, run the following command:

service postgresql status

You should see a message indicating that the server is running.

4. To access the PostgreSQL command-line interface, run the following command:

sudo -u postgres psql

This will open the PostgreSQL command-line interface, where you can create databases, users, and perform other tasks.

Note: The above steps and commands are specific to Debian-based Linux distributions such as Ubuntu. The exact steps and commands may vary slightly depending on your Linux distribution.