How to install PostgreSQL 11 on CentOs 7

Install PostgreSQL 11 on CentOs 7

In this, we will show you How to install PostgreSQL 11 on CentOS 7. You will see how to Install PostgreSQL on CentOs 7 is very easy and quick to install and use.

Before installing here is a short description of PostgreSQL

PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows. It is fully ACID compliant, has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It includes most SQL:2008 data types, including INTEGER, NUMERIC, BOOLEAN, CHAR, VARCHAR, DATE, INTERVAL, and TIMESTAMP. It also supports storage of binary large objects, including pictures, sounds, or video. It has native programming interfaces for C/C++, Java, .Net, Perl, Python, Ruby, Tcl, ODBC, among others, and exceptional documentation.

Read Also: How to install PostgreSQL 11 on Mac OS X via brew

Add PGDG Repo

Firstly we need to add the pgdg repository in Amazon Linux

yum install https://download.postgresql.org/pub/repos/yum/11/redhat/rhel-7-x86_64/pgdg-centos11-11-2.noarch.rpm

Read Als0: How to install PostgreSQL 11 on Amazon EC2 (Amazon Linux)

Install PostgreSQL on CentOs 7

To install PostgreSQL us the following command. It will install complete PostgreSQL Database group.

yum groupinstall "PostgreSQL Database Server 11 PGDG"


Create a new PostgreSQL database cluster

/usr/pgsql-11/bin/postgresql-11-setup initdb
Initializing database ... OK

Restart the services of PostgreSQL

Now execute the following command to start and enable the PostgreSQL services.

systemctl enable postgresql-11
systemctl start postgresql-11

PostgreSQL installation is done. If you want to use the PostgreSQL log in Postgres account by typing following command

su - postgres

You can get into Postgres console by typing

psql

Now use the PostgreSQL as you want to use. To get the help use the \h command.

Read Also: Useful s3 commands

If you have any problem using this tutorial feel free to comment.