MongoDB Environment - MongoDB

How to setup MongoDB Environment?

Install MongoDB on Windows

To install MongoDB on Windows, first download the latest release of MongoDB from https://www.mongodb.org/downloads. Ensure that you get correct version of MongoDB based upon your Windows version. To get your Windows version, open command prompt and execute below command.

32-bit versions of MongoDB only support databases smaller than 2GB and are appropriate only for testing and evaluation purposes.

Now extract the downloaded file to c:\ drive or any other location. Ensure that the name of the extracted folder is mongodb-win32-i386-[version] or mongodb-win32-x86_64-[version]. Here [version] is the version of MongoDB download.

Next, open the command prompt and run below command.

If you have extracted MongoDB in a different location, then go to that path by using command cd FOOLDER/DIR and run the above given process.

MongoDB needs a data folder for storing its files. Default location for MongoDB data directory is c:\data\db. Therefore you have to create this folder using the Command Prompt. Execute below command sequence.

If you want to install MongoDB at a different location, then you have to specify an alternate path for \data\db by setting the path dbpath in mongod.exe. For the same, issue below commands.

In the command prompt, navigate to the bin directory present in the MongoDB installation folder. Suppose my installation folder is D:\set up\mongodb

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

Now to run MongoDB, open another command prompt and run below command.

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

Install MongoDB on Ubuntu

Run below command to import the MongoDB public GPG key –

Create a /etc/apt/sources.list.d/mongodb.list file using below command.

Now run below command to update the repository –

Next install MongoDB by using below command –

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

Start MongoDB

Stop MongoDB

Restart MongoDB

To use MongoDB, run below command.

This will connect you to running MongoDB instance.

MongoDB Help

To get a list of commands, type db.help() in MongoDB client. This will provide a list of commands as shown in below screenshot.

db_help

MongoDB Statistics

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

db_stats

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