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Installing ns-3.37 and ns-3.35 in Ubuntu | Ubuntu 22.04 | NS3

Multiple Versions of ns3 in Ubuntu 22.04 In this post, we are going to install two versions of ns3 namely ns-3.35 and ns-3.37  My OS is : Ubuntu 22.04 LTS (Long Term Support) ns-3.35 uses waf and (./waf --run scratch/first)  ns-3.37 uses cmake  (./ns3 run scratch/first.cc) So we will install both the packages  Go through the video for complete instructions To start with  $ sudo apt update  $ sudo apt install build-essential autoconf automake libxmu-dev g++ python3 python3-dev pkg-config sqlite3 cmake python3-setuptools git qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools gir1.2-goocanvas-2.0 python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython3 openmpi-bin openmpi-common openmpi-doc libopenmpi-dev autoconf cvs bzr unrar gsl-bin libgsl-dev libgslcblas0 wireshark tcpdump sqlite sqlite3 libsqlite3-dev  libxml2 libxml2-dev libc6-dev libc6-dev-i386 libclang-dev llvm-dev automake python3-pip libxml2 libxml2-dev libboost-all-dev  I have downloaded both the versions of ns3 fr

ns2 installation in Ubuntu 14.04

This post tells you how to install ns-2.35 in ubuntu 14.04 64 bit Operating system.
 
NS2 installation in  Ubuntu 14.04

This post also posts a video that shows the installation instructions.
1. There is no audio in this video, please bear with me but these texts will make you understand how the installation is done in linux.
2. Copy the source file into the home folder
/home/pradeepkumar/ns-allinone-2.35.tar.gz3. give this command to untar or unzip the software
    tar zxvf ns-allinone-2.35.tar.gz
    cd ns-allinone-2.35/
    ./install
This command will take some time to get ns2 installed....
Before step 1, give these commands (These commands will install the developmental libraries like C, C++, Tcl, Tk, etc)
    sudo apt-get update
  sudo apt-get install build-essential autoconf automake libxmu-dev

You may get an error in the ~ns-2.35/linkstate/ls.h file about a small correction in the C++ constructor
change a function erase to this->erase and then try ./install
This is the only error you can experience when installing ns2.35 under any of the OS (Fedora, Ubuntu or Linux Mint)

All your developmental libraries are available in the ns-allinone-2.35/ns-2.35/ folder only (There may be other folders that you do not need at all, all your recompilation, examples, protocols, agents, packets, etc will be under the folder ~ns-2.35/)
Once the installation is over, you need to set the path to make ns and nam works from any terminal.....
To set the path, here are the files
in ubuntu - /home/pradeepkumar/.bashrc
in Linux Mint - /home/pradeepkumar/.profile
in Fedora - /home/pradeepkumar/.bash_profile

So i need to set the path in the file .bashrc (Which will be available in the home folder of my machine)
Now installation is over.... now to set the path

Once the path is set, you need to check whether ns and nam are working. type ns and nam and see whether they are giving any results.
they are not working, as the PATH what we set is not yet sourced
one method is logout and login back or else
try  giving this command

source /home/pradeepkumar/.bashrc (you should not get any errors, if you get then there may be something wrong in the path setting)
!!!!!!!!!!!!!Installation success!!!!!!


 T S Pradeep Kumar

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