Install nodejs on raspberry pi

Installing nodejs on Raspberry Pi

The Raspberry Pi is a small single-chip computer, which is very suitable for the development of smart homes and embedded systems. In the process of developing these systems, we often need to use nodejs to write back-end code. Therefore, installing nodejs on Raspberry Pi has become a very important step. This article will introduce in detail how to install nodejs on Raspberry Pi.

1. Preparation

Before starting the installation, you need to make the following preparations:

1.1 Confirm that your Raspberry Pi is normal and is The status of the connection to the Internet.

1.2 Make sure you have updated the Raspberry Pi system software. Enter the following commands in the terminal:

sudo apt-get update
sudo apt-get upgrade

1.3 Prepare the SSH client. You can use PuTTY or Terminal to remotely operate your Raspberry Pi.

2. Install nodejs

Next, we start installing nodejs. According to the instructions on the nodejs official website (https://nodejs.org), we can use the following command to install the latest version of nodejs:

curl -sL https://deb.nodesource.com/setup_14. x | sudo -E bash -
sudo apt-get install -y nodejs

This will use the curl command to download the latest version of nodejs and install it automatically. During the installation process, you will be prompted for a password and you can enter your Raspberry Pi username and password to complete the installation.

After the installation is complete, you can enter the following command in the terminal to view the nodejs version:

node -v

You will be able to see something similar to "v14.15.4 "Output. This means you have successfully installed nodejs and can start writing code.

3. Install npm

npm is a nodejs package management tool, which can help us install, update and manage dependencies more easily. To install npm on Raspberry Pi, you can use the following command:

sudo apt-get install -y npm

After successful installation, you can enter the following command in the terminal to view npm Version of:

npm -v

You will see an output similar to "6.14.10". This means you have successfully installed npm and can start using it to manage your nodejs project's dependencies.

4. Summary

In this article, we introduced how to install nodejs and npm on Raspberry Pi. This will provide you with the foundation for developing embedded systems and smart homes on the Raspberry Pi. The installation process is very simple and requires only a few commands. If you have any questions, please leave a message in the comment area and we will reply as soon as possible.

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