Setting up a Node.js development environment with NPM and Cloud9 IDE installed locally

Frederic Cambus November 05, 2011 [JavaScript]

In this tutorial, you will learn how to setup a complete Node.js development environment, including NPM (the Node Package Manager) and Cloud9 IDE to edit, run, and debug Node programs. The following installation instructions have been successfully tested on Debian 6.0 "Squeeze" and on Ubuntu 12.04 "Precise Pangolin", but they should also work properly on previous versions as well.

We will install everything in the user's home directory: this way, there is no need for any root access to the machine (provided the required packages are, of course, already installed), and each user can manage its own version of Node.

We start by installing (as root) required packages to build Node and later fetch NPM and Cloud9:

apt-get install build-essential g++ libssl-dev curl git

We create a 'local' directory within our home directory, and modify our .bashrc file to add it permanently to the $PATH variable:

mkdir ~/local
echo 'export PATH=$HOME/local/bin:$PATH' >> ~/.bashrc
source ~/.bashrc

We fetch, unpack, configure, compile, and install Node. The latest stable version is currently 0.6.18, so we simply set the temporary $NODE_VERSION variable accordingly:

export NODE_VERSION='0.6.18'
tar xvfz node-v$NODE_VERSION.tar.gz
cd node-v$NODE_VERSION
./configure --prefix=~/local
make install
cd ~

We fetch and install NPM:

curl | sh

We then install Sourcemint for NPM:

npm install -g sm

And finally, we fetch Cloud9 IDE and install it:

sm clone --dev cloud9

If everything went fine, congratulations, you can now launch Cloud9 IDE and type your first program. First launch can take some time, as the shellscript will need to get some required dependencies prior to run the program.


Note that the Cloud9 launcher accepts parameters allowing to specify IP and port to listen on, workspace directory, and so on and so far. Below is a list of all available options:

Show this help message
Load the configuration from a config file. Overrides command-line options. Default: <null>
    -c, --config <value>
Run child processes with a specific group. Default: <false>
    -g, --group <value>
Run child processes as a specific user. Default: <false>
    -u, --user <value>
Activate debug-mode. Default: <false>
    -d, --debug
Define an action to execute after the Cloud9 server is started. Default: <null>
    -a, --action <value>
IP address where Cloud9 will serve from. Default: <>
    -l, --ip <value>
Port number where Cloud9 will serve from. Default: <3000>
    -p, --port <value>
Path to the workspace that will be loaded in Cloud9 (may be relative or absolute). Default: <.>
    -w, --workspace <value>

Now, point your browser to the following URL:

Cloud9 IDE Screenshot

Create a new file (Select File, New, then JavaScript file) and paste this code (this is the Hello World HTTP server example from the Node.js website):

var http = require('http');

http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
}).listen(1337, "");

console.log('Server running at');

Run it:

Cloud9 IDE Screenshot

And check the result in your Web browser:

Hello World Server

Congratulations, you just ran your first Node program: see how easy and straightforward it was?

You now have everything ready in order to start developing Node.js applications! Should you need any information or resources to get you started, you can find useful links in the NodeCloud directory.

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