NVM (Node Version Manager)

# Install curl and build tools
sudo apt update
sudo apt install curl build-essential libssl-dev -y

# Download and install NVM
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash
 
# Or using wget
wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash
 
# Reload shell configuration
source ~/.bashrc
# Or for zsh
source ~/.zshrc
 
# Verify installation
nvm --version

# Add to ~/.bashrc
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
 
# Apply changes
source ~/.bashrc

# Add to ~/.zshrc
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
 
# Apply changes
source ~/.zshrc

# List all available Node versions
nvm list-remote
 
# List remote versions with filter
nvm list-remote | grep "v16"
nvm list-remote --latest-10

# Install specific version
nvm install 16.13.0
 
# Install latest LTS version
nvm install --lts
 
# Install latest version
nvm install node
 
# Install latest 16.x
nvm install 16

# List locally installed versions
nvm list
nvm ls
 
# Show current version
nvm current
node --version

# Switch to specific version
nvm use 16.13.0
 
# Switch to LTS
nvm use --lts
 
# Switch to latest
nvm use node
 
# Switch to 16.x version
nvm use 16

# Set default version for new shells
nvm alias default 16.13.0
 
# View aliases
nvm alias

# Uninstall specific version
nvm uninstall 16.13.0
 
# Uninstall all versions except current
nvm uninstall v14.19.0

# Create .nvmrc in project root
echo "16.13.0" > .nvmrc
 
# Or specify version
echo "v16.13.0" > .nvmrc
 
# Switch to .nvmrc version
nvm use
 
# Auto switch (requires shell hook)
# Add to ~/.bashrc or ~/.zshrc:
# [ -s ".nvm" ] && nvm use

# Check npm version
npm --version
 
# Update npm
npm install -g npm@latest
 
# Use specific npm version with Node
nvm install-latest-npm

# Install global package
npm install -g package-name
 
# List global packages
npm list -g
 
# Update global packages
npm update -g
 
# Uninstall global package
npm uninstall -g package-name

# Check NVM installation
echo $NVM_DIR
 
# Reload NVM
source ~/.bashrc
 
# Check Node path
which node
which npm
 
# Verify npm registry
npm config get registry
 
# Reset npm cache
npm cache clean --force
 
# Check Node permissions
ls -la ~/.nvm

# Create project directory
mkdir my-project
cd my-project
 
# Specify Node version
nvm use 16.13.0
 
# Install project dependencies
npm install
 
# Each developer uses same Node version from .nvmrc

# Install multiple versions
nvm install 14.17.0
nvm install 16.13.0
nvm install 17.0.0
 
# Test with each version
nvm use 14.17.0 && npm test
nvm use 16.13.0 && npm test
nvm use 17.0.0 && npm test

# Add NVM hook to automatically use version from .nvmrc
# Add to ~/.bashrc or ~/.zshrc
 
# Place this after NVM initialization
nvm_auto_use() {
  if [ -f ".nvmrc" ]; then
    nvm use
  fi
}
 
# Call on directory change
cd() { builtin cd "$@"; nvm_auto_use; }

# If Node.js already installed
node --version
 
# Install same version with NVM
nvm install v14.17.0
 
# Switch to NVM version
nvm use 14.17.0
 
# Remove system Node.js (optional)
sudo apt remove nodejs -y
sudo apt remove npm -y

# Remove NVM directory
rm -rf ~/.nvm
 
# Remove NVM lines from ~/.bashrc or ~/.zshrc
# Then reload shell
source ~/.bashrc