How to install nodejs from the command line

Node.js is a platform based on the Chrome V8 engine for building highly scalable web applications and network tools. It uses an event-driven, non-blocking I/O model, making it lightweight and efficient. NPM, the Node.js package manager, is one of the largest open source library ecosystems in the world.

Before using Node.js, you need to install it on your computer. This article will focus on how to install Node.js from the command line.

Step 1: Open the terminal

Installing Node.js from the command line requires the use of the terminal. Therefore, you first need to open a terminal. You can use the shortcut "Ctrl Alt T" to open a terminal on Ubuntu and other Linux operating systems. In the Windows operating system, you can search for "CMD" in the Start menu to open the command prompt.

Step 2: Update the package list

Before installing Node.js, it is best to update the package list. This will ensure that all software on your computer is up to date. Enter the following command in the terminal:

sudo apt-get update

This command will update the package list of the Ubuntu repository.

Step 3: Install Node.js

The easiest way to install Node.js is to use a package manager. Enter the following command in the terminal:

sudo apt-get install nodejs

This command will start the installation process. After installation in Ubuntu, Node.js will automatically install its package manager NPM.

Step 4: Check Node.js Installation

Once Node.js is installed, you can check whether it is running on your computer by running the following command.

node -v

This command will return the version number of Node.js. If you see output similar to "v12.14.0" on the command line, it means that Node.js has been successfully installed on your computer.

Step 5: Use NPM to install Node.js modules

NPM is the package manager for Node.js. It is a powerful tool that can be used to install Node.js modules and manage project dependencies. wait. Enter the following command in the terminal to install the module using NPM.

npm install

In the above command, replace "" with the name of the module you want to install.

Conclusion

Now, you know how to install Node.js from the command line. Node.js is a powerful platform for building highly scalable web applications and networking tools. The introduction of Node.js can greatly improve the efficiency of web development and reduce development time. Additionally, installing Node.js using the command line means having complete control over the software installed on your computer, allowing you to better manage dependencies and keep them updated.

The above is the detailed content of How to install nodejs from the command line. For more information, please follow other related articles on the PHP Chinese website!