NVM (Node Version Manager) is a tool that allows you to manage multiple versions of Node.js on a single machine. This guide will show you how to install and use NVM on Debian 11.

Step 1: Update Your System

Start by ensuring your system is up to date:

sudo apt update && sudo apt upgrade -y

Step 2: Install Required Packages

To install NVM, you'll need to have curl installed on your system. Install it using the following command:

sudo apt install curl -y

Step 3: Download and Install NVM

Download the NVM installation script using curl:

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.4/install.sh | bash

This command will download the installation script and execute it.

Step 4: Activate NVM

After installation, you need to activate NVM by adding the following lines to your profile script:

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

You can do this by running:

echo 'export NVM_DIR="$HOME/.nvm"' >> ~/.bashrc
echo '[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"' >> ~/.bashrc
source ~/.bashrc

Step 5: Verify NVM Installation

Check if NVM is installed correctly by running:

nvm --version

Step 6: Install Node.js Using NVM

Now you can install Node.js versions easily. For example, to install the latest version of Node.js, run:

nvm install node

You can also install a specific version, for example:

nvm install 14.17.0

Step 7: Use Node.js Version

To use a specific version of Node.js, you can run:

nvm use 14.17.0

You can check the currently active version of Node.js by running:

node -v

Conclusion

You have successfully installed and configured NVM on Debian 11. This tool will allow you to manage multiple versions of Node.js easily.

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