Open source a presentation
4 likes2,712 views
Open source refers to software whose source code is publicly accessible and can be modified. This presentation discusses open source, including its advantages like no vendor lock-in, lower costs, and improved security over closed source software. Examples of popular open source products are provided, like Android, Linux, and LibreOffice. The presentation also summarizes the IT landscape at DPL, including their use of SAP and Microsoft software, and considers open source alternatives like Ubuntu and LibreOffice that could reduce costs.
Open source a presentation
- 1. Brief Understanding of Open Source for SME Enterprises
- 2. Presentation Outline What is Open Source? ● Advantages of Open Source ● Disadvantages of Open Source ● Examples of Open Source Products ● IT Landscape at DPL ● What We Choose? ● A Snapshot of ● – Ubuntu 13.04 – LiberOffice 4.0.2.2
- 3. What is Open Source? In production and development, open source is a philosophy, or a methodology that promotes free redistribution and access to a product's design or ideas and implementation details. open as in free ● open as in access ● open as in over time ● open as in not closed ● open as in reuse and change ● open as in any place and for anyone ●
- 4. Open Source v/s Closed Source View/Modify the source code of an application or software. ● Open source software is released to the development community and undergoes a secondary phase of evolution, but closed source software is developed in isolation with a small team of developers. ● Developer support and large community to help. ● Open Source is more secure and bugs and vulnerabilities are fixed often. ●
- 5. History of Open Source The concept of free sharing of technological information existed long before computers. ● Similar to open standards, researchers with access to Advanced Research Projects Agency Network (ARPANET) used a process called Request for Comments to develop telecommunication network protocols which led to the birth of the INTERNET in 1969. ● The term Open Source was adopted by a group of people held at Palo Alto, California. "Open Source Summit" organized in April 1998 by technology publisher Tim O'Reilly. ●
- 6. How does Open Source Work?
- 7. Advantages of Open Source ● Source Code is available –To understand and learn from –Do not have to re-invent the wheel –Free ● as in “freedom” No dependacy on vendor –Can choose additional support –Can fix bugs and adapt to change in requirements as well as technoloigy ● Quality in open source is better ● Customizable and Robust Total Cost of Ownership (TCO) much less than proprietary counterparts. ●
- 8. Disadvantages of Open Source Requires a certain learning curve to use and get accustomed ● Not generally straightforward to use ● Can have incompatibility issue with software and hardware (3rd party drivers) ● Software quality assurance process is widely not transparent ● Bad Codes, and some unqualified people who uses it ● No financial incentive ●
- 9. An Popular Example of Open Source The world's most popular mobile OS ● Android powers more than a billion phones and tablets around the world. ● Linux-based operating system designed primarily for touchscreen mobile devices such as smartphones and tablet computers. ● Android is open source and Google releases the code under the Apache License after acquiring it from Android Inc. ●
- 10. Yet Another Example of Open Source Linux is a computer operating system assembled under the model of free and open source software development and distribution. Originated in the GNU Project, initiated in 1983 by Richard Stallman, in the Free Software Foundation. ● More than 90% of today’s supercomputers use Linux. It powers around 4.8% of todays modern computers. ● Thousands of distros are available. ● Linux seems to be the strongest in India
- 11. Examples of Open Source Server Software
- 12. Open Source Office Productivity Tools Open Office : Apache OpenOffice is an open-source ● office productivity software suite with official website OpenOffice.org, launched in 2002 under the Apache License LibreOffice : Developed by The Document Foundation, it is licensed under the GNU Lesser General Public License (LGPL). It supports Windows, Macintosh and GNU/Linux systems. ● NeoOffice : Primarily designed for Mac users and is ● distributed under the GNU General Public License. Koffice : It is a open source office suite licensed ● under the LGPL. It is available for Windows, Linux, FreeBSD and Mac OS X systems.
- 13. Open Source Digital Content
- 15. IT Landscape at DPL DPL ● – Setting up the First Green Sea Port in Maharashtra – Business Critical Applications ● SAP B1 ● MAXIMO ● Iportman ● MS Exchange – Hardware ● HP Servers
- 16. IT Landscape at DPL – Location Spread ● Head Office ● Sites – Dighi – Agardanda ● DR Site – Desktop & Laptop Hardware - HP
- 17. Ubuntu – An Alternative to Microsoft Operating System
- 18. Ubuntu – An Alternative to Microsoft Operating System
- 19. LibreOffice 4.1 – Alternative to Microsoft MS Office