Now, let’s check out the essential steps in the installation process of network simulator in Ubuntu 18.04.

        We have to install all the required dependencies in the Ubuntu 18.04 terminal window through implementation of the following commands.

sudo apt-get install g++ python3

sudo apt-get install g++ python3 python3-dev pkg-config sqlite3

sudo apt-get install python3-setuptools git

sudo apt-get install qt5-default mercurial

sudo apt-get install gir1.2-goocanvas-2.0 python-gi python-gi-cairo python-pygraphviz python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython ipython3

sudo apt-get install openmpi-bin openmpi-common openmpi-doc libopenmpi-dev

sudo apt-get install autoconf cvs bzr unrar

sudo apt-get install gdb valgrind

sudo apt-get install uncrustify

sudo apt-get install doxygen graphviz imagemagick

sudo apt-get install texlive texlive-extra-utils texlive-latex-extra texlive-font-utils dvipng latexmk

sudo apt-get install python3-sphinx dia

sudo apt-get install gsl-bin libgsl-dev libgsl23 libgslcblas0

sudo apt-get install tcpdump

sudo apt-get install sqlite sqlite3 libsqlite3-dev

sudo apt-get install libxml2 libxml2-dev

sudo apt-get install cmake libc6-dev libc6-dev-i386 libclang-6.0-dev llvm-6.0-dev automake

sudo apt install python3-pip

sudo pip3 install –upgrade pip

python3 -m pip install –user cxxfilt

sudo apt-get install libgtk-3-dev

sudo apt-get install vtun lxc uml-utilities

sudo apt-get install libboost-signals-dev libboost-filesystem-dev

         As the next process, we have to download the ns-3.34 package through the utilization of the below mentioned URL,

                                                                    https://www.nsnam.org/releases