Install MongoDB in Ubuntu 18.04 LTS

MongoDB.sh

#!/bin/bash

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 9DA31620334BD75D9DCB49F368818C72E52529D4
wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add -
echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu bionic/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.2.list
sudo apt update
sudo apt install mongodb-org
sudo systemctl enable mongod
sudo systemctl start mongod 
sudo systemctl restart mongod 
mongod --version 
mongo
> rs.initiate()