Essential Node.js

# Install nodejs, npm
# Note: corepack
sudo apt install nodejs npm
node -v
npm -v

# (Optional) Install yarn
# Legacy
npm install --global yarn
# Modern
npm install -g corepack
corepack enable
yarn --version

# (Optional) Install pnpm: https://pnpm.io/installation
curl -fsSL https://get.pnpm.io/install.sh | sh -
#npm install -g pnpm@latest-10

sudo npm install -g pm2
pm2 -v

npx -y pnpm@9 --version
npx -y pnpm@9 import            # convert package-lock.json -> pnpm-lock.yaml
npx -y pnpm@9 install           # resolve deps & write a proper pnpm-lock.yaml