How To Install PostgreSQL on CentOS 7

r00t March 11, 2015

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or those of you who didn’t know, PostgreSQL is a free, open-source object-relational database management system (object-RDBMS), similar to MySQL, and is standards-compliant and extensible. It is commonly used as a back-end for web and mobile applications. PostgreSQL, or ‘Postgres’ as it is nicknamed, adopts the ANSI/ISO SQL standards together, with the revisions. The vast majority of Linux distributions have PostgreSQL available in supplied packages.

This article assumes you have at least basic knowledge of linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple. I will show you through the step by step installation PostgreSQL in CentOS 7 server.

Install PostgreSQL on CentOS 7

Step 1. First, add PostgreSQL Yum repository to your system.

Step 2. Install PostgreSQL server.

Once the postgresql94-server package is installed, you need to initialize a database:

Step 3. Start PostgreSQL server.

Step 4. Configure Iptables or firewall.

Adjust iptables to access postgresql from remote systems:

Step 5. Create test database and Create new user PostgreSQL.

Once the installation is completed, you can start using the PostgreSQL 9.4 on your CentOS 7 by typing the commands:

Create test database (as postgres user).

Login test database (as postgres user).

Delete database (as postgres user).

Congratulation’s! You have successfully installed PostgreSQL Server. Thanks for using this tutorial for installing PostgreSQL on CentOS 7 systems. For additional help or useful information, we recommend you to check the official PostgreSQL web site.

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