How to install MongoDB in Ubuntu 16

MongoDB:

MongoDB is a document-oriented database. It is free and open-source. It is written in c++. It is NoSQL based database.

Prerequisites:

• Ubuntu - 64 bit
• user with sudo permission

Installation Procedure:
GPG keys of the software distributor are required by the Ubuntu package manager. So we need to import it. The below command is used to import the MongoDB public GPG Key

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6

It shows the output like this

Next, we have to Create a list file for MongoDB. It can be created by issuing the following command

echo "deb http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list

Update the local package by typing

sudo apt-get update

Install the latest stable version (LTS) of MongoDB by

sudo apt-get install -y mongodb-org

To run MongoDB as a service on Ubuntu, we need to create a unit file describing the service. A unit file tells systemd how to manage a resource.Create a configuration file mongodb.service in the /etc/systemd/system directory by typing

sudo nano /etc/systemd/system/mongodb.service

Populate the /etc/systemd/system/mongodb.service file by adding below lines

[Unit]

Description=High-performance, schema-free document-oriented database

After=network.target

[Service]

User=mongodb

ExecStart=/usr/bin/mongod --quiet --config /etc/mongod.conf

[Install]

WantedBy=multi-user.target

To start MongoDB by typing

sudo systemctl start mongodb

To know the status of MongoDB by

sudo systemctl status mongodb

To enable the MongoDB service to automatically start at boot time by typing

sudo systemctl enable mongodb

To stop the mongod process by issuing the following command

sudo service mongod stop

To restart the mongod process by typing

sudo service mongod restart

Reference:

https://docs.mongodb.com/manual/tutorial/install-mongodb-on-ubuntu/