The MERN stack is a popular set of technologies for building JavaScript-based applications. It consists of MongoDB, Express.js, React, and Node.js. In this guide, we will walk you through the steps to install the MERN stack on Debian 11.

Step 1: Update Your System

Start by updating your system's package index:

sudo apt update && sudo apt upgrade -y

Step 2: Install Node.js and NPM

The first component of the MERN stack is Node.js. You can install Node.js and its package manager (NPM) with the following command:

sudo apt install nodejs npm -y

Check the installation:

node -v
npm -v

Step 3: Install MongoDB

Next, install MongoDB. You can use the official MongoDB repository:

wget -qO - https://www.mongodb.org/static/pgp/server-5.0.asc | sudo apt-key add -
echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/debian bullseye/mongodb-org/5.0 main" | sudo tee /etc/apt/sources.list.d/mongodb-org-5.0.list

Then install MongoDB:

sudo apt update
sudo apt install -y mongodb-org

Start MongoDB and enable it to start on boot:

sudo systemctl start mongod
sudo systemctl enable mongod

Step 4: Install Express.js

With Node.js installed, you can set up an Express.js application:

mkdir myapp
cd myapp
npm init -y
npm install express --save

Step 5: Install React

To install React, use the following commands:

npx create-react-app client
cd client
npm start

Step 6: Setting Up Your Application

With all components installed, you can now start building your MERN stack application by creating your server and client code. Ensure to connect your React app to your Express server and MongoDB database.

Conclusion

You have successfully installed the MERN stack on Debian 11. This powerful combination allows you to build robust JavaScript-based applications.

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