install mongodb 4.2 on ubuntu 16.04 code example

Example 1: mongodb install in ubuntu

sudo apt update
sudo apt install -y mongodb
//checking service and db
sudo systemctl status mongodb
or service mongodb status
//start service
sudo systemctl start mongod
or service mongodb start
//stop service
sudo systemctl stop mongod  or
service mongodb stop

Example 2: ubuntu start mongodb

sudo mongod --fork --config /etc/mongod.conf