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Abhijeet Umbarkar
Abhijeet Umbarkar

Reputation: 51

Install express js with npm

I'm installed nodejs on my ubuntu 14.04 machine. When i ran node --version it gives me v4.4.2. I have install npm with version 3.9.2. When i run command npm install -g express it gives following output install express js

After completing the process, when I try to check express version it tells that The program 'express' is not installed try apt-get install node-express. Can somebody tell me where I'm doing wrong

Upvotes: 0

Views: 3277

Answers (3)

Aman Kumar
Aman Kumar

Reputation: 4547

For install Express in ubuntu via npm (Follow following steps)

First open terminal by 'ctrl + alt + t'

  1. Check nodejs is installed or not by command :- node -v
  2. Inter following path into terminal :- cd /var/www/html
  3. Create new folder (manually) or by command line :- mkdir nodeTest
  4. Enter in "nodeTest" folder :- cd nodeTest
  5. Create 'package.json' :- npm init //initialize node project (nodeTest)
  6. install Express :- sudo npm install express --save

Now open the 'nodeTest' folder from following path in your system :- /var/www/html/nodeTest

Now create :- index.js

index.js

var express = required("express");
var app = express();

app.get("/", function (req, res) {
    res.send(" Welcome Node js ");
});  

app.listen(8000, function () {
    console.log("Node server is runing on port 8000...");
});

Runnig node server by terminal command :- node index.js

Now check url :- "localhost:8000"

Upvotes: 1

robertklep
robertklep

Reputation: 203304

The tutorial you're following is outdated.

Previous versions of Express came with a command line tool called express, which you could use to create an application skeleton. However, since Express 4 was released (a while ago), this command line tool has been removed from the regular express package and moved to a separate package called express-generator.

To install this package, use this:

$ npm install express-generator -g

This should install the express command line tool (however, since the tutorial is outdated you may run into additional problems).

Upvotes: 0

olivarra1
olivarra1

Reputation: 3399

As I said in my comment, ExpressJS it's a framework for developing servers. It's not a server by itself.

You should create a npm project (with npm init) and you can install it as a dependency with npm install express --save. Then refer to the "Hello World" example to see how to create a simple server: Hello World Starter

var express = require('express');
var app = express();

app.get('/', function (req, res) {
  res.send('Hello World!');
});

app.listen(3000, function () {
  console.log('Example app listening on port 3000!');
});

Also, you may want to serve static files by using

app.use(express.static('name_of_the_directory'));

Upvotes: 0

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