![]() ![]() You’ll access the postgres prompt like this: postgres=# Code language: Shell Session ( shell )įrom here, you can interact with the PostgreSQL like issuing a query. Then, you can access the PostgreSQL using the psql by typing the following command: $ psql Code language: Shell Session ( shell ) You need to provide the password and hit the Enter keyboard. It’ll prompt for the password of the current user. To connect to PostgreSQL using the postgres role, you switch over to the postgres account on your server by typing: $ sudo -i -u postgres Code language: Shell Session ( shell ) When you installed PostgreSQL, the installation process created a user account called postgres associated with the default postgres role. If a role exists in PostgreSQL, the same Linux user account with the same name is able to log in as that role. It means that PostgreSQL will associate its roles with the system accounts of Linux. By default, PostgreSQL uses ident authentication. In PostgreSQL, a user account is referred to as a role. Connect to the PostgreSQL database server via psql It will take few minutes to download and install the PostgreSQL. For example, to install PostgreSQL version 12, you use the following command: $ sudo apt-get install postgresql-12 Code language: Shell Session ( shell ) ![]() If you want to install a specific version, you can use postgresql-version instead of postgresql. Third, update the package list: $ sudo apt-get update Code language: Shell Session ( shell )įinally, install the latest version of PostgreSQL: $ sudo apt-get install postgresql Code language: Shell Session ( shell ) Second, import the repository signing key: $ wget -quiet -O - | sudo apt-key add - Code language: Shell Session ( shell ) You need to execute them one by oneįirst, execute the following command to create the file repository configuration: $ sudo sh -c 'echo "deb $(lsb_release -cs)-pgdg main" > /etc/apt//pgdg.list' Code language: Shell Session ( shell ) Once visiting the PostgreSQL download for Ubuntu page, you find the script that allows you to install PostgreSQL on Ubuntu. In this tutorial, we’ll show you how to install PostgreSQL on Ubuntu 20.04. To download and install PostgreSQL on Linux, you visit the download page and select your Linux distribution. It is recommended that you install PostgreSQL this way since it ensures a proper integration with the operating system including automatic patching and other update management functionality. Most Linux platforms such as Debian, Red Hat / CentOS, SUSE, and Ubuntu have PostgreSQL integrated with their package management. You can now start creating databases and using PostgreSQL for your projects.Summary: in this tutorial, you will learn how to download and install PostgreSQL on Linux. If the connection is successful, you will see a PostgreSQL prompt.Ĭongratulations! You have successfully downloaded, installed, and started the PostgreSQL server on your local machine.You will be prompted for the password you set during installation.If you set a different username during installation, replace “postgres” with your chosen username.Use the following command to connect to the PostgreSQL server:. ![]() Open a terminal or command prompt window.You may need to provide your password to authorize the command.Use the following command to start the PostgreSQL service: sudo service postgresql start Launch either of these applications to start the server. Open the Start menu and search for “pgAdmin” or “SQL Shell” (psql).Depending on your operating system, there are different ways to start the PostgreSQL server:.You may want to review and adjust these settings according to your needs. In the configuration file, you can modify various settings such as the listen address, port, etc.For macOS and Linux: /etc/postgresql//main/nf.For Windows: C:\Program Files\PostgreSQL\\data\nf.The location of this file depends on your operating system and PostgreSQL version. Open the PostgreSQL configuration file.After the installation completes, you may need to configure some additional settings.Make sure to remember the password you set for the database superuser (usually named “postgres”) during the installation process.You can generally accept the default settings unless you have specific requirements. During the installation, you will be prompted to select various options.Follow the installation wizard instructions.Download the installer package for your system.Choose the appropriate version for your operating system (Windows, macOS, or Linux).Visit the official PostgreSQL website at.To download, install, and run PostgreSQL on your local machine, you can follow these steps: 1. ![]()
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