Begin bootstrap project on ubuntu 16

Install node

sudo apt-get update
sudo apt-get install nodejs
sudo apt-get install npm

Create necessary symlink

sudo ln -s /usr/bin/nodejs /usr/bin/node

Create project folder

mkdir -p myapp
cd myapp/

Init npm

npm init --yes

Install bootstrap

npm install bootstrap --save

Install jQuery

npm install jquery --save

Add starter template into css/starter-template.css

body {
  padding-top: 5rem;
}
.starter-template {
  padding: 3rem 1.5rem;
  text-align: center;
}

Create index.html

<!doctype html>
<html lang="en">
  <head>
    <!-- Required meta tags -->
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
<link rel="stylesheet" href="node_modules/bootstrap/dist/css/bootstrap.min.css">
<!-- Custom styles for this template -->
 <link href="css/starter-template.css" rel="stylesheet">

    <title>Hello, world!</title>
  </head>
  <body>
<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
 <span class="navbar-toggler-icon"></span>
 </button>
<div class="collapse navbar-collapse" id="navbarsExampleDefault">
 <ul class="navbar-nav mr-auto">
 <li class="nav-item active">
 <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
 </li>
 <li class="nav-item">
 <a class="nav-link" href="#">Link</a>
 </li>
 <li class="nav-item">
 <a class="nav-link disabled" href="#">Disabled</a>
 </li>
 <li class="nav-item dropdown">
 <a class="nav-link dropdown-toggle" href="http://example.com" id="dropdown01" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</a>
 <div class="dropdown-menu" aria-labelledby="dropdown01">
 <a class="dropdown-item" href="#">Action</a>
 <a class="dropdown-item" href="#">Another action</a>
 <a class="dropdown-item" href="#">Something else here</a>
 </div>
 </li>
 </ul>
 <form class="form-inline my-2 my-lg-0">
 <input class="form-control mr-sm-2" type="text" placeholder="Search" aria-label="Search">
 <button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
 </form>
 </div>
 </nav>
 <main role="main" class="container">
 <div class="starter-template">
 <h1>Bootstrap starter template</h1>
 <p class="lead">Use this document as a way to quickly start any new project.<br> All you get is this text and a mostly barebones HTML document.</p>
  </div>
 </main>



    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="node_modules/jquery/dist/jquery.slim.min.js">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
    <script src="node_modules/bootstrap/dist/js/bootstrap.min.js"></script>
  </body>
</html>