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The author is a professor at VIT University, Chennai, who focuses on open source technologies like NS2, Linux, Moodle, etc. He has conducted more than 40 workshops and hands-on sessions on NS2. He is the author of two websites: and He can be contacted at [email protected]

Posts by T S Pradeep Kumar


There are only a few operating systems that are suitable for Internet of Things (IoT) applications. RIOT OS, which is free and open source, …


Making screen recordings has never been so easy. The complications of screen recording in Linux have been banished by the Simple Screen Recorder. This …

For U & Me
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BigBlueButton is open source VoIP conferencing software that enhances regular as well as distance learning. It can also be used to extend the effectiveness …


GreenCloud enables the detailed modelling of the energy consumed by a data centre’s IT equipment. In this article, the author discusses the installation of …

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As the Internet of Things becomes more of a reality, Contiki, an open source OS, allows DIY enthusiasts to experiment with connecting tiny, low-cost, …