Tutorial 02 - Downloaded Science Gateway with Hosted Airavata

User Hosted PGA with SciGaP in Ubuntu OS

Prerequisites

1. Requires a Unix or Unix like operating system
2. Requires a web server (e.g apache web server) with PHP 5.4 or higher. Make sure have enabled mod_rewrite module in httpd.conf file and enable PHP SOAP extension
3. Install Composer
4. MYSQL database installation
5. MCrypt PHP extension

Installations

 Starting from a fresh Ubunutu 12.04 installation

Update the ubuntu package manager

1. sudo apt-get update

2. sudo apt-get upgrade 

Install Apache 

1. sudo apt-get install apache2

Install PHP 5.4

1. sudo apt-get install python-software-properties

2. sudo add-apt-repository ppa:ondrej/php5-oldstable

3. sudo apt-get update

4. sudo apt-cache policy php5

5. sudo apt-get install php5

You can check the installed versions of apache and php using apache2 -v and php -v commands

Install the necessary php extensions

1. sudo apt-get install unzip

2. sudo apt-get install curl

3. sudo apt-get install openssl

4. sudo apt-get install php5-mcrypt

5. sudo apt-get install php-soap

Install Composer System Wide

1. curl -sS https://getcomposer.org/installer | php

2. sudo mv composer.phar /usr/local/bin/composer

Activate mod_rewrite

1. sudo a2enmod rewrite

2. sudo service apache2 restart

Open the default vhost config file:

• sudo nano /etc/apache2/sites-available/default

Now search for “AllowOverride None”  corresponding “DocumentRoot /var/www <Directory /var/www>” (which should be there TWO times) and change both to “AllowOverride All“. Search for these two lines.

Exit and save with CTRL+X, Y, ENTER.

Download PGA from github to the document root of you web server /var/www. You can use git clone https://github.com/apache/airavata-php-gateway.git or download the zip from the github web page.

Go inside the PGA directory (e.g /var/www/airavata-php-gateway)

Make sure the storage folder is writable

• sudo chmod -R 777 app/storage

Go to [PGA_HOME]/app/config/pga_config.php and change the configuration to match your settings

[Note this file will be removed in the future. So this will not be needed]

Create a copy of app/config/app_config.ini.template file as app/config/app_config.ini

• sudo cp  app/config/app_config.ini.template file as app/config/app_config.ini

Now issue composer install command

• sudo composer update

Restart the web server

• sudo service apache2 restart