How to install and set up the Node.js environment in Ubuntu?

In Ubuntu, you can install and configure a Node.js environment by following these steps:

  1. Update the system software packages: Run the following command in the terminal to update the system software packages:
sudo apt update
sudo apt upgrade
  1. Install Node.js: Run the following command in the terminal to install Node.js:
sudo apt install nodejs
  1. Install npm: npm is a package manager for Node.js. You can install npm by running the following command in the terminal:
sudo apt install npm
  1. Verification of installation: Run the following command in the terminal to confirm that Node.js and npm have been successfully installed:
node -v
npm -v
  1. To set the installation path for global npm modules in order to avoid permission issues, you can use the following command:
mkdir ~/.npm-global
npm config set prefix '~/.npm-global'
echo 'export PATH=~/.npm-global/bin:$PATH' >> ~/.profile
source ~/.profile
  1. Install global modules: You can now use npm to install global modules, such as installing the Express framework.
npm install -g express

By following the steps above, you have successfully installed and configured the Node.js environment on Ubuntu. You can now start developing Node.js applications.

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