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21 January 2014

A Text book for OMNeT++ (Learning OMNeT++)

This post is for the nsnam.com readers particularly those who want to learn OMNeT++. As you aware, ns2 and OMNeT++ are two software that are freely distributed and available to academics for almost free of cost.

However, when dealing with the documentation, both suffers a set back. NS has a documentation and still researchers across the world have their own way of learning. And OMNeT++ has a proper documentation, that is very huge and takes times to understand.
Packt Publishing has published a book in OMNeT++ authored by Thomas Chamberlain
You may refer the following website for http://www.packtpub.com/

Omnet++
OMNeT++
You can also learn: http://www.nsnam.com/2013/12/installation-of-omnet-in-linux-mint-16.html
This book is organized in the following chapters.

  • Getting started with OMNeT++
  • Installing OMNeT++
  • OMNeT++ Simulations 
  • Creating and Running simulation
  • Learning from your simulation
There are just 5 chapters that are just enough for a beginner to get a grip in understanding  OMNeT++. Also the book contains just 102 pages and one can learn this book within a day or two.


T S Pradeep Kumar

19 January 2014

Installing NS-2.35 in Fedora 20 (64 bit)

Installing ns2 under Fedora 20 is same as Fedora 19. However, there are some slight changes in the installation pattern.
Refer to this post for downloading the ns2.35 software and pre installation steps:

http://www.nsnam.com/2013/09/installing-network-simulator-2-ns-2-35-in-fedora-19.html

Steps for Fedora 20

During the software customization in Fedora 20, I have selected all the softwares in GNOME Desktop. So I did not tried the following command. However, if you have installed Fedora 20 with default set of softwares, there here is the step to install all the developmental libraries.

$prompt] yum install tcl tk gcc-c++ libX11-devel libXt-devel libXmu-devel 

You need to change the file ns-2.35/linkstate/ls.h file as specified below.
in Line number 137, change erase( to this->erase

 
The installation will report an error if the above change is not made.

Once installed, set the PATH in /home/pradeepkumar/.bash_profile file, in my case here is my path information.

PATH=$PATH:$HOME/.local/bin:$HOME/bin:/home/pradeepkumar/ns-allinone-2.35/bin:/home/pradeepkumar/ns-allinone-2.35/tcl8.5.10/unix:/home/pradeepkumar/ns-allinone-2.35/tk8.5.10/unix
 

export LD_LIBRARY_PATH=/home/pradeepkumar/ns-allinone-2.35/otcl-1.14:/home/pradeepkumar/ns-allinone-2.35/lib
Here is the screenshot of my file
ns-2.35 in fedora 20
NS2 in Fedora 20

 T S Pradeep Kumar

16 January 2014

How to mount Remote Windows File System in Linux (CIFS)


This post is to tell you how to mount a remote windows file system in Linux/Unix platform.
There is a filesystem called CIFS in the recent years called (Common Internet File System). Older linux versions has SMBFS (Samba File System) where in both the cases you can mount the remote windows Server file systems in Linux.

Here are the simple steps to do that.
1. You need to know the Mounted Windows Username and Password
2. Should have the Linux Super User (root login) for your Linux Machine
3. The Windows share folder

Here are the steps:
Step 1: Open the Terminal in Linux and enter into the su mode (Super user mode)
$] su
$] mkdir -p /mnt/windowserver (Create a mountable folder in the /mnt directory, this directory is again accessible with root rights)
$] mount.cifs //machinename/sharefolder  /mnt/windowserver -o username=administrator, password=myPassword

If you want to mount the entire directory, then from an IP, then
$] mount.cifs //192.168.1.1/D$  /mnt/windowserver -o username=administrator, password=myPassword

See the image below to see the mounted folder.
Mount CIFS
Mount CIFS

The above command may ask you to enter the password of the Remote windows machine. If the above line is not working, then enter the following line

$] mount -t cifs //machinename/sharefolder  /mnt/windowserver -o username=administrator, password=myPassword 

T S Pradeep Kumar


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