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Linux Seminar for Beginners


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Linux Seminar for Beginners

Linux Seminar for Beginners

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  • 1. Mr. Ritesh Ambastha 02-02-2012
  • 2. Who uses Linux? Apps Hits/Views Apache, Python, SuSe Linux,YouTube 1 Billion MySQL, lighttpd Apache, PHP, MySQL, RedhatFlicker 4 Billion Linux, Squid, Memcache Redhat Linux, perl, C++, JAVA,Amazon 55 Million Jboss 900 User perTwitter Ruby, MySQL, Memcache secGoogle Linux, Python, C++, JAVA 5 Billion
  • 3. Success Stories● More than 98% of all Domain Name Servers, which identify the machine on which a web page is situated, use free software called BIND.● More than 80% of all web servers use free software, called Apache, to serve their sites.● More than 60% of all network servers run the Linux Kernel, another free software.● The TCP/IP implementation on most computers, (including those running non-free operating systems) is free software.● “Digital Domain used 105 DEC Alphas running RedHat [GNU/]Linux to simulate and render water for James Camerons Titanic. Other Movies: Avatar – 2PB disk, 35000 Cores, 4000 Blades – Ubuntu, kungfu panda, Lords of the ring, Harry porter ........
  • 4. Who uses Linux?Sectors Abroad IndiaFinance & Banking Morgan Stanley, New HDFC, Axis, SBI Life, India Bulls, York IDBI, Canara, LIC Stock Exchange, CITI, ReutersRetail & E-Commerce, Papa IRCTC, ClearTrip, JustDial , Johns,, Tommy HilfigerGovt Air Force US, Govt of Maharashtra, Kerala, AP Department of and Energy, Dept. of others on various e-commerce Defence, US Postal projects, Service ePosts by Dept of PostsTechnology & Google Reliance ADA Data Center,Communication VSNL, Airtel, TATA Communications
  • 5. Ecosystem Overview● Server● Mobile● Web● OS● Database● Apps● Programming Languages● Hardware
  • 6. Ecosystem
  • 7. Chronicle●Free Software Foundation Started by Richard Stallmanin 1984, Creates GNU●1991 Linux Created by Linus Torvalds based on Minix,released under GNU GPL.1998 , Eric Raymond Starts Open Source Initiative,●which slight changes in the Free Software Philosophy.●Till Date, Open Source + Free Software comprise of bigchunks of operations by Big Companies Like Google ,Yahoo , Sony , Texas Instruments
  • 8. OSS: DefinitionOpen-source software (OSS) is computer softwarethat is available in source code form for which thesource code and certain other rights normallyreserved for copyright holders are provided undera software license that permits users to study,change, and improve the software.The license has to comply to the Open SourceDefinition given by Open Source Initiative (OSI).
  • 9. Free Software??● Free Software Refers to the software that provides the following freedoms : ● The freedom to run the program, for any purpose (freedom 0). ● The freedom to study how the program works, and change it to make it do what you wish (freedom 1). ● The freedom to redistribute copies so you can help your neighbor (freedom 2). ● The freedom to distribute copies of your modified versions to others (freedom 3).
  • 10. Commercial Open Source● Red Hat Enterprise Linux● Suse Enterprise Edition● OpenExchange Enterprise● Xtuple ERP● Landscape● Dim Dim● Star Office
  • 11. Business Models● Support and Service Models (Ubuntu)● Free and Enterprise Versions (MySQL, Red Hat)● SaaS model (Dim Dim)● Products around Open Source (Amanda - MySQL, Ubuntu – Landscape )
  • 12. YouParticipating in Open Source Projects
  • 13. Community?● People bound by common goals● Common Philosophy● Different levels and kinds of expertise● Technical , Non - Technical
  • 14. How You Can Contribute● Development● Testing● Review● Packaging, Release Management● Manage Teams and Project Management● Manage Communication● Write Documentation● Advocacy
  • 15. Examples● Linux – Ubuntu , Fedora , Debian, Slackaware You can Learn C, C++,Python, MediaWiki,Perl,Qt● Firefox – Javascript , XML● MySQL – C, C++● Apache Server – C ++● Android – Java
  • 16. Contribute in Projects
  • 17. SourceForge● SourceForge is a web- based source code repository. It acts as a centralized location for software developers to control and manage open source software development.
  • 18.● Freshmeat is a website that allows computer users to keep track of the latest software releases and updates as well as write/read reviews and articles, send or receive comments to or from the author, and many other features.● Programmers register their projects and inform the site about updates; users browse for software and download and (sometimes) rate or comment on the software.● Software is categorized by field of application, license, development status, environment, intended audience, type of use, supported operating systems, and used programming and available natural languages.
  • 19.● Open Source Learning Lab● Eduforge is a virtual collaborative learning and exploratory environment designed for the sharing of ideas, research outcomes and information about open source.● It is an open access environment allowing anyone with an interest in open source software to join the community. Eduforge also provides the Open Source Learning Lab to provide training for open source practitioners through a 100% online delivery model.
  • 20. The Linux Documentation Project●● LDP is a loosely knit team of volunteers who provide documentation for many aspects of Linux. There are several forms of documentation: Guides, HOWTOs, man pages, and FAQs.
  • 21. Copyleft● Common practice for using copyleft is to codify the copying terms for a work with a license.● Any such license typically gives each person possessing a copy of the work the same freedoms as the author, including (from the Free Software Definition): ● the freedom to use the work, ● the freedom to study the work, ● the freedom to copy and share the work with others, ● the freedom to modify the work, and the freedom to distribute modified and therefore derivative works.
  • 22. Copyleft● Copyleft says that anyone who redistributes the software, with or without changes, must pass along the freedom to ruther copy and change it.● If they do not, they lose their rights.● As Stallman puts it, “Copyleft guarantees that every user has freedom, and ensures that somebody does not remove the freedom from free software.● “Proprietary software According to Free Software Foundation, developers use copyright to take away the users freedom; we use copyright to guarantee their freedom. Thats why we reverse the name, changing copyright into copyleft.”
  • 23. GNU GPL● GNU General Public License● The strongest copyleft and most widely used free software license is the GNU Genral Public License, or GNU GPL for short.● Using the GNU GPL will require that all the released improved versions be free software. This means you can avoid the risk of having to compete with a proprietary modified version of your own work.●
  • 24. Creative Common License●Attribution. You let others copy, distribute, display, and performyour copyrighted work — and derivative works based upon it — butonly if they give credit the way you request.●Noncommercial. You let others copy, distribute, display, andperform your work — and derivative works based upon it — but fornoncommercial purposes only●No Derivative Works. You let others copy, distribute, display, andperform only verbatim copies of your work, not derivative worksbased upon it.●Share Alike. You allow others to distribute derivative works onlyunder a license identical to the license that governs your work.
  • 25. Certifications● The CompTIA Linux+ certification● Linux Professional Institute (LPI)● Novell offers three certifications: Certified Linux Professional (CLP), Certified Linux Engineer (Novell CLE), and Certified Linux Engineer9 (Novell CLE9).● Red Hat has developed its Red Hat Certified Engineer (RHCE) to certify individuals on its core Enterprise operating system. In addition, it also has the Red Hat Certified Technician (RHCT) and Red Hat Certified Architect (RHCA) certifications available
  • 26. Me ?● Update every single piece of software on my system with a single action.● Uddate nearly everything on my computer without a reboot.● Keep my system secure without software that consumes my system resources, requires my time, and frequently nags me.● Run an entire operating system for free without pirating software, and without breaking the law.● Take my settings with me where ever I go.● Understand everything(or few things) that is going on in my computer.● Customize every aspect of my desktop.● Benefit from competition between projects for each system on my computer.● Run thousands of great pieces of software that only run on Linux.● Learn about, support, and appreciate the value of free software.
  • 27. What Next?● Download Fedora or Ubuntu●●● Dont install – Run on CD/DVD● Install once you get used to the system● Ask us questions
  • 28. Queries Ask questions at -