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Installation of NS2 in Ubuntu 22.04 | NS2 Tutorial 2

NS-2.35 installation in Ubuntu 22.04

This post shows how to install ns-2.35 in Ubuntu 22.04 Operating System

Since ns-2.35 is too old, it needs the following packages
gcc-4.8
g++-4.8
gawk
and some more libraries

Follow the video for more instructions


So, here are the steps to install this software:

To download and extract the ns2 software

Download the software from the following link

Extract it to home folder and in my case its /home/pradeepkumar (I recommend to install it under your home folder)

$ tar zxvf ns-allinone-2.35.tar.gz
or Right click over the file and click extract here and select the home folder.

$ sudo apt update
$ sudo apt install build-essential autoconf automake libxmu-dev gawk

To install gcc-4.8 and g++-4.8

$ sudo gedit /etc/apt/sources.list make an entry in the above file
deb http://in.archive.ubuntu.com/ubuntu/ bionic main universe $ sudo apt update

Since, it's ubuntu 22.04, you may get an error called GPG Error with a code like this "3B4FE6ACC0B21F32"
In case you get the GPG error, include the following command

$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32 $ sudo apt update $ sudo apt install gcc-4.8 g++-4.8 Make the changes in the following files
@CC@ to be replaced with gcc-4.8 @CPP@ to be replaced with g++-4.8 ns-allinone-2.35/Makefile.in /home/pradeepkumar/ns-allinone-2.35/otcl-1.14/Makefile.in nam-1.15/Makefile.in xgraph-12.2/Makefile.in In all the above places, change @CC@ to gcc-4.8 and @CPP@ @CXX@ to g++-4.8 Open the file ns-2.35/linkstate/ls.h in line number 137, change the line erase to this-erase Once the installation is over, Set the PATH and LD_LIBRARY_PATH information in the file located at /home/pradeepkumar/.bashrc export PATH=$PATH:/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
You can change /home/pradeepkumar to your home folder name. 
$ns $nam $ xgraph 
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and press Control D (You can get a good graph) and that's it...


For video lectures of this kind, subscribe to my Channel https://www.youtube.com/tspradeepkumar

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