MongoDB is a Free and open-source cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB avoids the traditional table-based relational database structure in favor of JSON-like documents with dynamic schemas, making the integration of data in certain types of applications easier and faster.

- Login into your VPS via ssh
- Create mongodb repository file using an editor as below
# nano /etc/yum.repos.d/mongodb.repo

- If you are running a 64-bit system, add the below information to the file you have created.
[mongodb]
name=MongoDB Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64/
gpgcheck=0
enabled=1

- Press CTRL+x to exit and press Y to save the file
- It will ask to confirm filename and path. Just press enter.
- Update package
#yum -y update

- Now, run below command to install MongoDB.
#yum -y install mongodb-org mongodb-org-server

- MongoDB is installed. Below are some useful commands.

• Start-Up MongoDB - systemctl start mongod
  
  
• Check MongoDB Service Status - systemctl status mongod
  
  
• Enter the MongoDB Command Line - mongo
  
  
• Shutdown MongoDB - systemctl stop mongod
  
  
• Summary List of Status Statistics (Continuous) - mongostat
  
  
• Summary List of Status Statistics (5 Rows, Summarized Every 2 Seconds) - mongostat --rowcount 5 2
  
  
• By default MongoDB server listening on port 27017 on the localhost interface.To change mongodb listening port to 22222 :: mongo --port 22222