MongoDB : Setup

Import the public key used by the package management system

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2930ADAE8CAF5059EE73BB4B58712A2291FA4AD5

Create a list file for MongoDB

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list

Reload local package database

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.6 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.6.list

Install the MongoDB packages

sudo apt-get install -y mongodb-org

Install a specific release of MongoDB.

sudo apt-get install -y mongodb-org=3.6.2 mongodb-org-server=3.6.2 mongodb-org-shell=3.6.2 mongodb-org-mongos=3.6.2 mongodb-org-tools=3.6.2

Pin a specific version of MongoDB

echo "mongodb-org hold" | sudo dpkg --set-selections
echo "mongodb-org-server hold" | sudo dpkg --set-selections
echo "mongodb-org-shell hold" | sudo dpkg --set-selections
echo "mongodb-org-mongos hold" | sudo dpkg --set-selections
echo "mongodb-org-tools hold" | sudo dpkg --set-selections

Create Directory 

/data/db

Check MongoD Status

systemctl list-unit-files --type=service

If mongodb service is disable you can enable it

sudo systemctl enable mongodb.service

If status is masked 

cd /lib/systemd/system
sudo touch mongodb.service
sudo nano mongodb.service

Save below code

[Unit]
Description=An object/document-oriented database
Documentation=man:mongod(1)
After=network.target

[Service]
User=mongodb
Group=mongodb
ExecStart=/usr/bin/mongod --quiet --config /etc/mongodb.conf

[Install]
WantedBy=multi-user.target

Now you can  enable mongodb.service
Start MongoDB

sudo service mongod start

Stop MongoDB.

sudo service mongod stop

Restart MongoDB

sudo service mongod start

Check connection  and Open Mongo Shell

nc -zvv localhost 27017
mongo --shell