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Installing ns2 in Ubuntu 24.04 | Ubuntu | Network Simulator 2

Installation of NS2 in Ubuntu

This post shows you how to install ns2 (ns-2.35) in Ubuntu 24.04.
#ns2 #ubuntu #engineeringclinic NS-2.35 installation in Ubuntu 24.04 

You can view the following video for complete instructions:

Prerequisites
  • ns-allinone-2.35
  • Ubuntu 24.04
Commands to be used:
$ cat /etc/lsb-release
$ sudo apt update
$ sudo apt install build-essential autoconf automake libxmu-dev

Requirements of ns2 gcc-4.8 g++-4.8 Were available only upto 18.04 which the codename is bionic $ sudo gedit /etc/apt/sources.list.d/ubuntu.sources make an entry in the above file as given in the video (see the picture below)
apt
Ubuntu Sources addition


$ sudo apt update For any GPG error, include the following command $ sudo apt update $ sudo apt install gcc-4.8 g++-4.8 Download ns-2.35 from the website. http://sourceforge.net/projects/nsnam/files/allinone/ns-allinone-2.35/ns-allinone-2.35.tar.gz/download Since ns2.35 is too old (2011) and hence it will work on the gcc and g++ versions of 4.8. So we need to change the default gcc to gcc-4.8 and g++ to g++-4.8 Here are the files that need to be modified. 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 all changes were made. 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 (hyphen and greater than symbol) erase Run the installation now Open a terminal $ cd ns-allinone-2.35/ $ ./install Once the installation is over, Set the PATH and LD_LIBRARY_PATH information in the file located at open another terminal and issue the following command. $ gedit /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 The field separator is a colon: here and there should not be any blank space between the paths.... $ source .bashrc $ns % indicates it installs successfully. $nam a window gets popped up (as shown in the following Figure.) It works well.
ns2
NS2 and NAM installed Successfully
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