How to Install MongoDB 4.2 on Ubuntu 18.04 & 16.04 via PPA

MongoDB (named from “huMONGOus“) is a full flexible index support and rich queries database. Mongodb is a NoSQL database. MongoDB provides large media storage with GridFS. Click here for more details about this version of MongoDB.

This tutorial will help you to install MongoDB 4.2 community release on Ubuntu 18.04 LTS (Bionic) and 16.04 LTS (Xenial).

Step 1 – Setup Apt Repository

First of all, import GPK key for the MongoDB apt repository on your system using the following command. This is required to test packages before installation

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 4B7C549A058F8B6B

Lets add MongoDB APT repository url in /etc/apt/sources.list.d/mongodb.list.

Ubuntu 18.04 LTS:

echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb.list

Ubuntu 16.04 LTS:

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb.list

Step 2 – Install MongoDB on Ubuntu

After adding required APT repositories, use the following commands to install MongoDB on your systems. It will also install all dependent packages required for MongoDB.

sudo apt update
sudo apt install mongodb-org

If you want to install any specific version of MongoDB, define the version number as below

sudo apt install mongodb-org=4.2.1 mongodb-org-server=4.2.1 mongodb-org-shell=4.2.1 mongodb-org-mongos=4.2.1 mongodb-org-tools=4.2.1

Step 3 – Manage MongoDB Service

After installation, MongoDB will start automatically. To start or stop MongoDB uses init script. Below are the example commands to do.

sudo systemctl enable mongod
sudo systemctl start mongod 

Use the following commands to stop or restart MongoDB service.

sudo systemctl stop mongod
sudo systemctl restart mongod 

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Step 4 – Verify MongoDB Installation

Finally, use the below command to check installed MongoDB version on your system.

mongod --version 

db version v4.2.1
git version: edf6d45851c0b9ee15548f0f847df141764a317e
OpenSSL version: OpenSSL 1.1.1  11 Sep 2018
allocator: tcmalloc
modules: none
build environment:
    distmod: ubuntu1804
    distarch: x86_64
    target_arch: x86_64

Also, connect MongoDB using the command line and execute some test commands for checking proper working.

mongo 

> use mydb;

> db.test.save( { tecadmin: 100 } )

> db.test.find()

  { "_id" : ObjectId("52b0dc8285f8a8071cbb5daf"), "tecadmin" : 100 }

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