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Node.js Installation

19 September, 2018

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Node.js is a JavaScript-based platform, is an increasingly popular, lightweight, and efficient option for developers. It allows coders to use JavaScript on both the front-end and the back-end thanks to Google’s awesome V8 engine.

Installation

-Install Xcode.

-Install git.

-Run the following commands:

git clone git://github.com/ry/node.git cd node ./configure make sudo make install

Debian (Ubuntu/ Mint)

With Aptitude package manager one can install the package nodeJS then edit their bash config to redirect the command node to node js. sudo apt-get update sudo apt-get install nodejs sudo apt-get install npm nano (edit / vim) the file ~/.bashrc and add the line: alias node="nodejs"

Redhat (Fedora / CentOs)

Simply install from official repos: sudo yum install nodejs npm If that fails, enable EPEL repo:

curl --silent --location https://rpm.nodesource.com/setup | bash -

Then simply install from repo:

yum -y install nodejs

Gentoo

In portage tree:

emerge nodejs

Archlinux

In official repo use pacman package manager:

pacman -S nodejs npm

Linux from source

-Install the dependencies ( Below example using debian apptitude package manager): g++ curl libssl-dev apache2-utils git-core build-essential

sudo apt-get install g++ curl libssl-dev apache2-utils git-core build-essential

-Run the following commands:

git clone git://github.com/ry/node.git
cd node
./configure
make
sudo make install

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Windows

Currently, you must use cygwin to install node. To do so, follow these steps: -Install cygwin. -Use setup.exe in the cygwin folder to install the following packages:

-devel → openssl

-devel → g++-gcc

-devel → make

-python → python

-devel → git

-Open the cygwin command line with Start > Cygwin > Cygwin Bash Shell. -Run the below commands to download and build node.

git clone git://github.com/ry/node.git
cd node
./configure
make
sudo make install

Hello Node.js!

Here's a quick program to make sure everything is up and running correctly:

var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello Node.js\n');
}).listen(8124, "127.0.0.1");
console.log('Server running at http://127.0.0.1:8124/');

Run the code with the node command line utility:

> node hello_node.js
Server running at http://127.0.0.1:8124/

Now, if you navigate to http://127.0.0.1:8124/ in your browser, you should see a nice message. For indepth understanding click on Node.JS Tutorials Node.JS Interview Questions

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