Node Version Manager (NVM) installation on Ubuntu 18.04

-- for node.js installation
# apt-get update && apt-get install -qq -y vim git curl net-tools
# apt-get install -y node.js

-- current version
https://github.com/creationix/nvm/releases

-- installation
$ curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.35.1/install.sh | bash

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

$ nvm --version
0.35.1

// install latest LTS
$ nvm install --lts

-- show possible
$ nvm ls-remote

// (Latest LTS: Dubnium)
$ nvm install v12.13.1

$ nvm use v12.13.1

-- set default
$ nvm alias default v12.13.1

$ node --version
v12.13.1

$ nvm install-latest-npm

$ npm --version
6.13.2

$ npm install --save babel-cli babel-preset-env

{
  "presets": ["env"]
}

"engines": {
    "node": "12.13.1",
    "npm": "6.13.4"
  },

***

"start": "nodemon --exec babel-node server.js",