MongoDB Introduction with Installation

How to Install MongoDB on Centos 7 ?

Introduction: It is one of the poplar opensource document-oriented database that provides high performance, high availability, and automatic scaling.

MongoDB provide following important key features,

High Performance
Rich Query Language
High Availability
Horizontal Scalability
Multiple Storage Engine

Installation steps:

1. By defualt MongoDB does not exist with centos. They provides their own repository.

This repository contains following packages,

[button color=”” size=”” type=”square” target=”” link=””]mongodb-org
mongodb-org-server
mongodb-org-mongos
mongodb-org-shell
mongodb-org-tools[/button]

2. Login to your server and create repo file under path: /etc/yum.repos.d/

vi /etc/yum.repos.d/mongodb.repo

Add following repos in it.

[button color=”” size=”” type=”square” target=”” link=””][mongodb-org-3.4]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.4/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-3.4.asc[/button]

wq!

For versions of MongoDB earlier than 3.0

[button color=”” size=”” type=”square” target=”” link=””][mongodb-org-2.6]
name=MongoDB 2.6 Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64/
gpgcheck=0
enabled=1[/button]

3. Now we are ready to install MongoDB on Centos 7

#yum install mongodb-org

Once done with the error free installation, start mongod service

#systemctl start mongod

4. Its conifiguration file is : /etc/mongod.conf

If you made chagnes then reload mongodb service

#systemctl reload mongodb