How To Install Omnet++ In Ubuntu 18.04.1

step by step installation process of Omnet++ or Omnetpp in Ubuntu 18.04.1

Before starting the installation, refresh the database of available packages. Type in the terminal:

$ sudo apt-get update

To install the required packages, type in the terminal:

$ sudo apt-get -y install build-essential gcc g++ bison flex perl \qt5-default tcl-dev tk-dev libxml2-dev zlib1g-dev default-jre \doxygen graphviz libwebkitgtk-3.0–0 libopenscenegraph-dev \openscenegraph-plugin-osgearth openmpi-bin libopenmpi-dev \python python3 libqt5opengl5-dev openscenegraph-plugin-osgearth libosgearth-dev libpcap-dev gnome-color-chooser nemiver

Now Download the omnetpp file from omnet website https://omnetpp.org/download/

open a new terminal

$ cd Downloads

$ tar xvfz omnetpp-5.4.1-src-linux.tgz

$ cd omnetpp-5.4.1

$ . setenv

** note down space between . and setenv

** Now copy the path which is /home/user/Downloads/omnetpp-5.4.1

$ gedit ~/.bashrc

**Add the following line at the end of the file, then save it:

export PATH=$PATH:/home/user/Downloads/omnetpp-5.4.1/bin

**Here user is your pc-name

**now closed the current terminal which is very important

open a new terminal

$ cd Downloads

$ cd omnetpp-5.2.1

$ ./configure

$ make

$ omnetpp