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Showing posts from June, 2011

Installing ns-2.34 in Fedora 14

To install Network Simulator Version 2.34 in Fedora 14 has the following limitations.1. Fedora 14 comes with GCC version 3.5 which has major changes like it accept X() rather than X::X(), So ns also has to modify accordingly.2. You may get an error for GammaRandomVariable, so that has to be corrected in the following two files~ns-allinone-2.34/ns-2.34/mobile/nakagami.cc  and ~ns-allinone-2.34/ns-2.34/tools/ranvar.cc(Above pic: The file nakagami.cc has to be opened and there will a change in two line numbers 183 and 185 as given below)(The file ranvar.cc has to be opened and change in line number 219 as given below)Once the above steps done,Go to terminal and install NS2 (http://pradeepkumar.org/2008/11/installation-instructions-for-network.html)and refer the video for installing NS2. http://pradeepkumar.org/2011/02/installation-of-network-simulator-2-ns2video.html

How to Install Google Chrome OS using Virtual Box

Chrome books have been hit the market in the US or purchase online from www.amazon.com, but in India, yet to come. Before going for purchasing Chrome Book, is it possible to see how it actually works in our PC or Laptop. Here are the Steps.Download Chrome OS : http://chromeos.hexxeh.net/vanilla.php (Download the OS for Virtual Box as there are 3 versions)Download Virtual Box: http://www.virtualbox.org/I downloaded Virtual Box for UbuntuMy System Configuration is Lenovo R500 with 2GB RAM and Core 2 duo Processor1. Install Virtual Box(Above Screen is the First Screen of Virtual Box, My machine already has Windows XP in it)2. Click “New “ and you will get the following Screen, Type “Chrome OS” and Select the OS and Version and Click “Next”3. Select the Memory to be allotted to Chrome OS, It gave a recommendation of 256 MB, but I prefer 512MB RAM and clicked “Next”. Depending on the Total size of RAM, the Base memory size will vary.4. Select “Use Existing Hard Disk” (as we already downloa…

Network Simulators for Research (R & D)

Across the globe, there are so many researchers trying to get a best solution for various research problems. If you are indulging in networks (TCP/IP, UDP, Peer to Peer, FTP, CBR, packets, agents, etc) or wireless networks (Adhoc, MANETs,  Sensor Networks, Mesh Networks, Satellite Networks, Cellular Networks, etc) and any other type of network, then here are the list of simulators that are available for finding a solution for a research problem (without investing much on the hardware)

1. Network Simulator 2 (NS2)

Link : http://www.isi.edu/nsnam/ns/

Ns is a discrete event simulator targeting for networking research. This simulator provides support for simulation of Wired networks like TCP, routing, and multicast protocols over wired and wireless  networks. In short it is called as NS2.

Languages Used: Tcl, OTcl, C++, Simple AWK Script to analyze the results (freely available in the web)

Pros:

Simulate almost any type of networks which are in great demand by the industry/Academia
It runs on va…

How to install Fedora along with Windows 7

This post will show you the installation of Fedora along with Windows 7. This Post is mainly for Beginners of Linux those who entered the college just now who don’t have prior working knowledge on Linux Here we go….I have taken DVD Version of Fedora 12 (32 Bit OS)Step 1: Create a Partition on windows to give space for Fedora, Just 20GB space is enough.. You can store all your files under windows and use it in linux whenever you need. So no extra space needed for Linux. (see the image below)Step 2:  Insert the DVD and boot from the DVD and select the first option (as shown below) “Install or Upgrade an existing System”Once selected, the system asks you to check the correctness of the media (DVD ROM). if you have doubt with your DVD, please click OK else SKIP it. (see below)Once done, start proceeding with the installation as given in the following imagesStep 4: Select the language (as given below, If you have doubt, leave with the default and click next)Step 5: Select the Keyboard layo…