Learn how to easily install Node.js 14 on Ubuntu 20.04 with practical code examples.

Table of content

1. Introduction
2. Prerequisites
3. Installing NodeJS on Ubuntu 20.04 using the Terminal
4. Installing NodeJS on Ubuntu 20.04 using NodeSource repository
5. Testing NodeJS installation
6. Practical code examples
7. Conclusion

Introduction

Node.js is a popular open-source platform for building scalable and high-performance network applications. It is based on JavaScript, which is well known to many developers. In this guide, we will go through the steps required to install Node.js 14 on Ubuntu 20.04.

Node.js 14 is the latest version of Node.js that comes with improved performance, new features, and bug fixes. Installing it on your Ubuntu machine will keep your system up-to-date and ensure that you have access to the latest Node.js features.

In this guide, we will provide practical code examples to help you easily install Node.js 14 on Ubuntu 20.04. We will also explain each step in detail, including the basic concepts and terminologies used. By the end of this guide, you will have a better understanding of how to install Node.js 14 on your Ubuntu machine and start building your own web applications. So, let's get started!

Prerequisites

Before installing Node.js 14 on Ubuntu 20.04, you need to make sure that the following are met:

• You have a Ubuntu 20.04 machine set up with a regular user account with sudo privileges.
• You have administrative access to install software packages on your machine.
• You have an active internet connection to download and install the required packages.

You can check if you have administrative access by running the following command in the terminal:

sudo echo "I have administrative access."

If the output shows "I have administrative access.", then you have sudo privileges.

You can also check if your system has Ubuntu 20.04 installed by running:

lsb_release -a

If the output shows "Ubuntu 20.04", then you're good to go.

Now that you have met the , you're ready to install Node.js 14 on Ubuntu 20.04.

Installing NodeJS on Ubuntu 20.04 using the Terminal

To install Node.js 14 on Ubuntu 20.04 using the Terminal, follow these steps:

1. Open the Terminal by pressing "Ctrl + Alt + T" or right-clicking the desktop and selecting "Open Terminal".

2. Update the package list by running the following command:

sudo apt update

3. Install the "curl" package, which is needed to download Node.js, by running the following command:

sudo apt install curl

4. Download and install Node.js 14 by running the following command:

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

5. Verify that Node.js is installed correctly by running the following command:

node -v

This should output the Node.js version number, which should be "v14.x.x".

Congratulations, you have successfully installed Node.js 14 on Ubuntu 20.04 using the Terminal. Now you can start using Node.js to develop and run server-side applications.

Installing NodeJS on Ubuntu 20.04 using NodeSource repository

To install NodeJS on Ubuntu 20.04 using NodeSource repository, follow these steps:

Step 1: Add NodeSource Repository
To add NodeSource repository, open the terminal and enter the following command:

curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -

Step 2: Install NodeJS
Now, you can easily install NodeJS by running the following command:

sudo apt-get install -y nodejs

Step 3: Verify NodeJS Installation
To verify that NodeJS has been successfully installed, run the following command:

node -v

This will display the NodeJS version number on your terminal.

Step 4: Verify npm Installation
To verify that npm has been successfully installed along with NodeJS, run the following command:

npm -v

This will display the npm version number on your terminal.

By following these steps, you can easily install NodeJS on your Ubuntu 20.04 system using the NodeSource repository.

Testing NodeJS installation

To test if NodeJS has been installed successfully on Ubuntu 20.04, open the terminal and type in the command "node -v". This will display the version of NodeJS installed on your system. If the version number is displayed without any error messages, then NodeJS has been installed successfully.

Another way to test the installation is to create a sample NodeJS program. Open a text editor and create a new file called "test.js". Write the following code in the file:

console.log("Hello, World!");

Save the file and exit the text editor. Open the Terminal and navigate to the directory where the "test.js" file is saved. Run the program by typing in the command "node test.js". If the installation is successful, the output will display "Hello, World!".

You can also test your NodeJS installation by running the NodeJS REPL (Read-Eval-Print Loop). Open terminal and type in the command "node". If the installation is successful, it will launch the REPL and you should see the ">" prompt in the terminal. You can now enter any JavaScript code and it will be executed immediately.

In conclusion, testing your NodeJS installation is an essential step to ensure that everything is working as expected. By following these simple steps, you can verify your NodeJS installation and start building your NodeJS applications on Ubuntu 20.04 with confidence.

Practical code examples

are essential when learning how to install Node.js 14 on Ubuntu 20.04. The following steps demonstrate how to setup Node.js 14 practically in three simple steps:

1. First, start by updating your package index by running the following command on your terminal:

   sudo apt update

2. Once the update is complete, use the following command to install NVM, a Node Version Manager, to enable you to easily switch between different Node versions:

   curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.37.2/install.sh | bash

   After the installation, close and reopen your terminal or run the command below to use NVM without reopening:

   source ~/.bashrc

3. Finally, you will need to use NVM to install Node.js 14 by executing this command on your terminal:

   nvm install 14

   And that's it! Node.js 14 is now installed on Ubuntu 20.04 with NVM, ready to be used.

With these practical examples, installing Node.js 14 on Ubuntu 20.04 should be a breeze, and you will be well on your way to developing and running Node.js applications in no time!

Conclusion

In , installing Node.js 14 on Ubuntu 20.04 is a straightforward process that can be done quickly and easily with the help of practical code examples. Whether you are a beginner or an experienced developer, following the step-by-step instructions provided in this guide can help you get started with Node.js and build powerful applications in no time.

By learning how to install Node.js on Ubuntu, you will have access to a powerful development platform that is used by millions of developers across the globe. With its rich set of features and robust community, Node.js has become one of the most popular tools for building scalable and high-performance applications.

We hope this guide has been helpful in giving you an overview of how to install Node.js 14 on Ubuntu 20.04. If you have any questions or need further assistance, feel free to reach out to the Node.js community for help. Happy coding!