mongodb nodejs installation

MongoDB and Node.js are both very popular development tools. They both have very good performance and are very simple to install. In this article, we will cover the installation process of MongoDB and Node.js and provide you with detailed steps.

1. Install MongoDB

MongoDB is an open source, cross-platform, distributed NoSQL database. MongoDB is very outstanding in big data processing and can provide developers with very efficient data storage and query solutions. The following are the installation steps of MongoDB on Windows, macOS, and Linux:

1.1 Install MongoDB on Windows

Step 1: Download MongoDB

Go to the official website https://www.mongodb .com/try/download/community Download the Windows installation package of MongoDB, select the "Windows" option and download the version appropriate for your Windows operating system.

Step 2: Install MongoDB

After downloading the installation package, double-click to open it and follow the prompts to complete the installation of MongoDB. It is recommended to install according to the default options.

Step 3: Set MongoDB environment variables

After successfully installing MongoDB, you need to add the MongoDB executable file path to the system environment variable so that MongoDB can be called from the command line. Find "System and Security" in Control Panel, and then find the "System" menu. Click "Advanced System Settings" in the menu below to open the system's "Properties" interface. Find "Environment Variables" in this interface, add "path" to "User Variables", and add the "bin" directory of MongoDB to it.

Step 4: Start MongoDB

Open the command line tool, enter the "mongod" command and press Enter to start MongoDB. By default, MongoDB data is stored in the c:data directory.

1.2 Install MongoDB on macOS

Step 1: Download MongoDB

Go to the official website https://www.mongodb.com/try/download/community to download the macOS installation package of MongoDB .

Step 2: Install MongoDB

After downloading the installation package, double-click to open the installation package and follow the prompts to complete the installation of MongoDB. It is recommended to install according to the default options.

Step 3: Set MongoDB environment variables

Open a new terminal window and enter the following command:

echo 'export PATH="/usr/local/opt/mongodb@4.4/bin:$PATH"' >> ~/.zshrc

This will add the MongoDB executable path to the environment variables middle. If you are using a Bash terminal, you can change ".zshrc" in the above command to ".bashrc".

Step 4: Start MongoDB

Enter the "mongod" command in the terminal window and press the Enter key to start MongoDB. By default, MongoDB data is stored in the "/data/db" directory.

1.3 Install MongoDB on Linux

Step 1: Add the MongoDB software package source

Execute the following command to add the MongoDB software package source to the system's "/etc/apt/sources .list.d/mongodb.list" file:

echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongodb-org/4.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb.list

Step 2: Update the software package database

Execute the following command to update the software package database:

sudo apt-get update

Step 3 :Install MongoDB

Execute the following command to install MongoDB:

sudo apt-get install -y mongodb-org

Step 4: Start MongoDB

Execute the following command to start MongoDB:

sudo systemctl start mongod

Default , MongoDB data is stored in the "/var/lib/mongodb" directory.

2. Installing Node.js

Node.js is an open source, cross-platform JavaScript runtime environment that enables developers to write server-side code using JavaScript. The following are the installation steps of Node.js on Windows, macOS, and Linux:

2.1 Windows installation of Node.js

Step 1: Download Node.js

Go to the official website https ://nodejs.org/en/download/ Download the Node.js installation package for your Windows operating system.

Step 2: Install Node.js

After downloading the installation package, double-click to open it and follow the prompts to complete the installation of Node.js. It is recommended to install according to the default options.

Step 3: Verify whether the Node.js installation is successful

Open the command line tool, enter the "node -v" command and press Enter, the Node.js version information will be output. Alternatively, you can enter the "npm -v" command in the command line tool to verify that the installation of the Node.js package manager npm was successful.

2.2 Install Node.js on macOS

Step 1: Download Node.js

Go to the official website https://nodejs.org/en/download/ to download the version that applies to you Node.js installation package for macOS operating system.

Step 2: Install Node.js

After downloading the installation package, double-click to open the installation package and follow the prompts to complete the installation of Node.js. It is recommended to install according to the default options.

Step 3: Verify whether the Node.js installation is successful

Open a new terminal window, enter the "node -v" command and press the Enter key to output the Node.js version information. You can also verify that the installation of the Node.js package manager npm was successful in a terminal window, similar to Windows.

2.3 Linux Installation Node.js

Step 1: Install Node.js

Execute the following command in the terminal window to install Node.js:

sudo apt-get install -y nodejs

Step 2: Install the Node.js package manager npm

Execute the following command in the terminal window to install the Node.js package manager npm:

sudo apt-get install -y npm

Step 3: Verify the Node.js installation whether succeed

Enter the "node -v" command in the terminal window and press Enter, the version information of Node.js will be output. You can also verify that the npm installation was successful by entering the "npm -v" command in a terminal window.

After the above steps, you can install MongoDB and Node.js on your computer. The installation process is very simple, just follow the above steps step by step. Installing these tools is just the first step, then you need to learn how to use them to create great applications.

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