Install Electron


npm install electron --save-dev

npm install -g electron

sudo npm install -g electron

Now you can just run electron to run electron:

If you need to use an HTTP proxy you can set these environment variables.

If you want to change the architecture that is downloaded (e.g., ia32 on an x64 machine), you can use the –arch flag with npm install or set the npm_config_arch environment variable:

npm install --arch=ia32 electron


First, you have to write an Electron application.

Then, you can run your app using:

electron your-app/


Python + Django

alias python=python3

This should work. Else try the code below as well.

sudo nano ~/.bash_aliases
alias python=/usr/bin/python3
update-alternatives --remove python /usr/bin/python2
update-alternatives --install /usr/bin/python python /usr/bin/python3

Install Django

sudo apt-get install python3-pip
which pip3
ln -s /usr/bin/pip3 /usr/bin/pip

pip3 install --upgrade pip

pip install django==1.10 
pip3 install django==1.10

import django

Install MYSQL for Python

sudo apt-get install python3-pymysql

Virtual Host configuration in Ubuntu 14.04

sudo apt-get update sudo apt-get install apache2

Step 1 – Create the directory structure

sudo mkdir -p /var/www/

Step 2 – Grant Permissions

sudo chown -R $USER:$USER /var/www/
sudo chmod -R 755 /var/www

Step 3 – Create new virtual host files.

cd /etc/apache2/sites-available
sudo cp 000-default.conf
sudo nano /etc/apache2/sites-available/
<VirtualHost *:80>
    DocumentRoot /var/www/
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined


Step 4 – Enable the new virtual host file

sudo a2ensite
sudo service apache2 restart

Step 5 – Set up local hosts file

sudo nano /etc/hosts

Step 6 – Test your results

Slim a micro framework for PHP


  • Instal composer
php -r "copy('', 'composer-setup.php');"
php -r "if (hash_file('SHA384', 'composer-setup.php') === '92102166af5abdb03f49ce52a40591073a7b859a86e8ff13338cf7db58a19f7844fbc0bb79b2773bf30791e935dbd938') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php
php -r "unlink('composer-setup.php');"


Install Slim

  • Create you project folder and create these folders inside.
├── project
│   └── src
│       └── public
  • Go into the /src folder in your project directory and execute this command.
composer require slim/slim "^3.0"
  • Install composer.phar
curl -sS | php
  • To install dependencies, execute he composer.phar
php composer.phar require slim/slim
  • git ignore the vendor folder
    • Create .gitignore folder inside src/ and add this single line.
  • Create the application
    • create src/public.index.php file and add this code.
use \Psr\Http\Message\ServerRequestInterface as Request;
use \Psr\Http\Message\ResponseInterface as Response;

require '../vendor/autoload.php';

$app = new \Slim\App;
$app->get('/hello/{name}', function (Request $request, Response $response) {
    $name = $request->getAttribute('name');
    $response->getBody()->write("Hello, $name");

    return $response;


  • Run this command from src/public
php -S localhost:8080
  • Then go to http://localhost:8080/
    • This will show you an error. DO NOT WORRY. Use http://localhost:8080/hello/sugith

Run your application with Apache

  • Set the virtual host configuration.
  • Set the public folder as the Document Root
  • Add .htaccess file into src/public directory.
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule . index.php [L]


 Install dependencies

composer require slim/twig-view
composer require monolog/monolog