Ubuntu18 Install MongoDB

wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add -

sudo apt-get install gnupg

wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add -

sudo vim /etc/apt/sources.list.d/mongodb-org-4.2.list

sudo apt-get update

sudo apt-get install -y mongodb-org

sudo apt-get install -y mongodb-org

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

ps --no-headers -o comm 1

sudo systemctl start mongod

sudo systemctl daemon-reload

sudo systemctl enable mongod

sudo systemctl restart mongod

mongo

sudo service mongod stop