MongoDB - Environment

Let us now see how to install MongoDB on Windows.

Install MongoDB On Windows

To install MongoDB on Windows, first download the latest release of MongoDB from https://www.mongodb.com/download-center.

Enter the required details, select the Server tab, in it you can choose the version of MongoDB, operating system and, packaging as:

Now install the downloaded file, by default, it will be installed in the folder C:Program Files.

MongoDB requires a data folder to store its files. The default location for the MongoDB data directory is c:datadb. So you need to create this folder using the Command Prompt. Execute the following command sequence.

C:>md data
C:md datadb

Then you need to specify set the dbpath to the created directory in mongod.exe. For the same, issue the following commands.

In the command prompt, navigate to the bin directory current in the MongoDB installation folder. Suppose my installation folder is C:Program FilesMongoDB

C:UsersXYZ>d:cd C:Program FilesMongoDBServer4.2in
C:Program FilesMongoDBServer4.2in>mongod.exe --dbpath "C:data" 

This will show waiting for connections message on the console output, which indicates that the mongod.exe process is running successfully.

Now to run the MongoDB, you need to open another command prompt and issue the following command.

C:Program FilesMongoDBServer4.2in>mongo.exe
MongoDB shell version v4.2.1
connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodb
Imppcit session: session { "id" : UUID("4260beda-f662-4cbe-9bc7-5c1f2242663c") }
MongoDB server version: 4.2.1
>

This will show that MongoDB is installed and run successfully. Next time when you run MongoDB, you need to issue only commands.

C:Program FilesMongoDBServer4.2in>mongod.exe --dbpath "C:data"
C:Program FilesMongoDBServer4.2in>mongo.exe

Install MongoDB on Ubuntu

Run the following command to import the MongoDB pubpc GPG key −

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10

Create a /etc/apt/sources.pst.d/mongodb.pst file using the following command.

echo  deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen  
   | sudo tee /etc/apt/sources.pst.d/mongodb.pst

Now issue the following command to update the repository −

sudo apt-get update

Next install the MongoDB by using the following command −

apt-get install mongodb-10gen = 4.2

In the above installation, 2.2.3 is currently released MongoDB version. Make sure to install the latest version always. Now MongoDB is installed successfully.

Start MongoDB

sudo service mongodb start

Stop MongoDB

sudo service mongodb stop

Restart MongoDB

sudo service mongodb restart

To use MongoDB run the following command.

mongo

This will connect you to running MongoDB instance.

MongoDB Help

To get a pst of commands, type db.help() in MongoDB cpent. This will give you a pst of commands as shown in the following screenshot.

MongoDB Statistics

To get stats about MongoDB server, type the command db.stats() in MongoDB cpent. This will show the database name, number of collection and documents in the database. Output of the command is shown in the following screenshot.