How to Uninstall and Install Node JS in Ubuntu: A Step-by-Step Guide

Overview

Node.js is a popular JavaScript runtime environment that enables server-side programming and backend functionality for network applications. In this section, we will explore how to install and uninstall Node.js on Ubuntu using various methods.

To install Node.js on Ubuntu 18.04, you can add the Node.js Personal Package Archive (PPA) to your system and install it using the apt package manager. Once installed, you can verify the version of Node.js and NPM and create a web server demonstration.

To uninstall Node.js from Ubuntu, you can use the apt-get remove command with sudo privileges. Additionally, you can purge Node.js to remove the configuration files as well.

If you want to completely uninstall Node.js, you can use the command “sudo rm” to remove the binaries and dependencies. Alternatively, you can use the Apps & Features Settings to uninstall Node.js from your system.

It is also possible to install multiple versions of Node.js on Ubuntu using the Node Version Manager (NVM). This allows you to switch between independent versions of Node.js and select the default version.

Overall, Node.js provides flexibility, scalability, and fast performance for server-side programming on Ubuntu. It is recommended to use the latest LTS version for long-term support and stability. Additionally, you can use Node.js package manager (NPM) or Yarn to manage modules and dependencies.

Frequently Asked Questions

How to Completely Remove Node JS from Ubuntu?

To completely remove Node JS from your Ubuntu system, you can use the following command:

sudo apt-get purge nodejs

This command will remove Node JS and its configuration files from your system.

How to Install Node JS on Ubuntu Using the Terminal?

To install Node JS on Ubuntu using the terminal, follow these steps:

  1. Open the terminal and update the package manager:
sudo apt-get update
  1. Install Node JS using the package manager:
sudo apt-get install nodejs
  1. Verify that Node JS was installed correctly by checking the version:
node -v

What is the Command to Uninstall Node JS and NPM on Ubuntu?

To uninstall Node JS and NPM on Ubuntu, you can use the following command:

sudo apt-get remove nodejs npm

This command will remove both Node JS and NPM from your system.

How to Install a Specific Version of Node JS on Ubuntu?

To install a specific version of Node JS on Ubuntu, you can use the following command:

sudo apt-get install nodejs=<version>

Replace <version> with the specific version number you want to install.

How to Completely Remove NVM from Ubuntu?

To completely remove NVM from your Ubuntu system, you can use the following command:

rm -rf ~/.nvm

This command will remove the NVM directory from your home directory.

How to Reinstall Node JS on Ubuntu?

To reinstall Node JS on Ubuntu, you can use the following commands:

  1. Remove Node JS and NPM from your system:
sudo apt-get remove nodejs npm
  1. Remove any remaining Node JS and NPM files:
sudo rm -rf /usr/local/{lib/node{,/.npm,_modules},bin,share/man}/npm*
sudo rm -rf /usr/local/lib/node_modules/
sudo rm -rf /usr/local/include/node/
sudo rm /usr/local/bin/node
sudo rm /usr/local/share/man/man1/node.1
sudo rm /usr/local/lib/dtrace/node.d
  1. Install Node JS using the package manager:
sudo apt-get install nodejs