Open Source Technology and Web Scripting
- 1. OPEN SOURCE TECHNOLOGY & WEB SCRIPTING BY MANJUNATH
- 2. WHAT IS OPEN SOURCE? In production and development, open source is a philosophy or methodology that promotes free redistribution and access to a products design or ideas of implementation details. 2
- 3. • Open-source software is based on the idea that the user cannot only view but also can change the source code of the existing application. • Closed-source software is hidden to prevent the user either viewing or changing the code. 3 OPEN SOURCE VS CLOSED SOURCE
- 5. 5 EXAMPLES OF OPEN SOURCE APPLICATIONS
- 6. 6 EXAMPLES OF OPEN SOURCE PROGRAMMING
- 7. 7 EXAMPLES OF OPEN SOURCE OPERATING SYSTEMS
- 9. 9 HOW ITWORKS? Any machine can play the role of either a client or a server – You could even have a machine being both
- 10. 10 SCRIPTINGTYPES 1. Server-side Scripting Language Complete all processing in the server and send plain pages to the client Can use huge resources of the server Reduces client-side computation overhead Examples: PHP, ASP.NET (C# OR Visual Basic), C++, Java and JSP, Python, Ruby on Rails and so on. 2. Client-side Scripting Language Does not involve server processing Complete application is downloaded to the client browser Client browser executes it locally Examples: HTML, JavaScript, VBScript, CSS, AJAX, jQuery and so on.
- 11. 11 SERVERS Two important examples are: 1. Web Servers A machine holding and delivering HTML pages that can be accessed by remote (client) machines over the internet. Examples: Windows Server, Apache Server. Example programs which could turn your computer into a web server are Apache HTTP Server, IIS Manager, Apache Tomcat. 2. Database Servers Performs tasks such as data analysis, storage, data manipulation, archiving, and other non-user specific tasks. Examples: Mysql, Postgre, Microsoft SQL Server, MongoDB
- 12. 12 HOWTO CREATEWEBSITES QUICKLY? Although every developer started their career scripting their first website on their own. It would not be feasible to do the same for all your projects. Hence, we could use content management systems and web frameworks to build websites quickly. Some of the popular open-source content management systems: 1. Wordpress 2. Drupal 3. Sharepoint 4. Magento Some of the popular web frameworks include: 1. Laravel – written in PHP 2. Django – written in Python 3. CodeIgniter – written in PHP 4. Hybernate – written in Java
- 13. 13 HOW DO I START? Visit W3Schools.com to learn some programming. Install XAMPP on your laptop and start programming Use a free server such as 000WEBHOST.COM to host your website and share it to the outside world.