MongoDB Installation on Ubuntu

Installation of Mongodb in Ubuntu(16.04):-

Step 1 : Import the public key used by the package management system.

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

Step 2 :  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

Step 3 : Reload local package database.

sudo apt-get update

Step 4 : Install the MongoDB packages.

sudo apt-get install -y mongodb-org

Step 5 : Install a specific release of MongoDB.

sudo apt-get install -y mongodb-org=3.6.5 mongodb-org-server=3.6.5 mongodb-org-shell=3.6.5 mongodb-org-mongos=3.6.5 mongodb-org-tools=3.6.5

Note:-

Data files:- The MongoDB instance stores its data files in /var/lib/mongodb
Log Files:-  its log files in /var/log/mongodb
To change Data/log file locations:-You can specify alternate log
and data file directories in /etc/mongod.conf. 

Installation completed successfully.

1. To Start mongodb:

sudo service mongod start

2. To Verify that MongoDB has started successfully:

cd /var/log/mongodb/mongod.log

3. To Stop MongoDB:

sudo service mongod stop

4. To Restart MongoDB:

sudo service mongod restart

5. To Begin using MongoDB:

mongo --host 127.0.0.1 --port 27017

UnInstalling Mongodb:-

Step 1: 

 sudo service mongod stop

Step 2: Remove Packages.

sudo apt-get purge mongodb-org*

Step 3: Remove Data Directories.

sudo rm -r /var/log/mongodb
sudo rm -r /var/lib/mongodb