How To Install Ns2 In Ubuntu 20.04

Best Answer:

  1. Open a terminal and enter the following commands:
  2. sudo apt-get update
  3. sudo apt-get install ns2
  4. Once the installation is complete, you can verify it by running the ns command:
  5. ns

Installing NS2.35 in Ubuntu 20.04

Network Simulator Installation on Ubuntu 20.04 | How to install NS2 | Network Simulation software

How do I know if NS2 is installed on Ubuntu?

In order to check if NS2 is installed on Ubuntu, you can use the following command:

dpkg -l | grep ns2

If NS2 is installed, this command will return a list of NS2-related packages that are installed on your system. If NS2 is not installed, this command will return an empty list.

How do I download and install NS2?

Step 1: Download the NS2 package from the official website.

Step 2: Extract the contents of the package to a directory on your computer.

Step 3: Open a terminal window and change to the directory where you extracted the NS2 package.

Step 4: Type “./configure” to configure the NS2 package for your system.

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Step 5: Type “make” to build the NS2 package.

Step 6: Type “sudo make install” to install the NS2 package.

How install NS2 on WSL?

The process to install NS2 on WSL is as follows:

1. Update the list of available packages and install the dependencies required for NS2:

$ sudo apt update

$ sudo apt install build-essential autoconf automake libx11-dev libxext-dev

2. Download the NS2 source code from the official website:

$ wget

3. Extract the downloaded archive:

$ tar -xzf ns-allinone-2.35.tar.gz

4. Enter the extracted directory and run the configuration script:

$ cd ns-allinone-2.35/

$ ./configure –enable-tcl-thread –enable-tk8.5

5. Build and install NS2:

$ make

$ sudo make install

6. To test the installation, run the ns command:

$ ns

How do I know if NS2 is installed?

There are a few ways to determine if NS2 is installed on your system. One way is to check for the presence of the ns2 directory in your home directory. If this directory exists, then NS2 is most likely installed. Another way to check is to look for the ns2 executable file in your PATH. This file is typically located in the /usr/local/bin directory. If you can locate this file, then NS2 is installed. Finally, you can try running the ns2 command from the command line. If NS2 is installed, this will bring up the NS2 command prompt.


What are the steps to install NS2 in Ubuntu

Installation of NS2 is a two-step process in Ubuntu. The first step is to install the prerequisite packages for NS2 and the second step is to install NS2.

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1) Install the prerequisite packages for NS2:

$ sudo apt-get install build-essential autoconf automake libx11-dev libxext-dev libtk-dev libimlib2-dev libxt-dev

2) Install NS2:

$ sudo apt-get install ns2

3) To verify the installation, enter the following command:

$ ns


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What are the dependencies required for NS2 installation?

There are a few dependencies that are required for NS2 installation. These dependencies are listed below:

1. GCC compiler: The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting various programming languages. GCC is a key component of the GNU toolchain and the standard compiler for most Unix-like Operating Systems. The NS2 installation requires GCC version 4.1 or higher.

2. Tcl and Tk: Tcl is a scripting language created by John Ousterhout while Tk is a graphical toolkit used with Tcl. Tcl/Tk is required for the simulation user interface.

3. Otcl: Otcl stands for Objective Tcl. It is an extension to the Tcl scripting language. Otcl is required for the simulation programming interface.

4. Perl: Perl is a high-level, general-purpose, interpreted, dynamic programming language. Perl is required for running some of the utilities that are included with NS2.

5. Ns2 All-in-One installer: The NS2 All-in-One installer is a single installer file that can be used to install all the components of NS2 on a Windows system. This installer is available for download from the NS2 official website.

How to configure NS2 after installation?

This is a broad question, but here are some basics:

1. Download and install NS2 from
2. Choose which version of NS2 you want to install
3. Follow the instructions on the screen to complete the installation
4. Once installed, you will need to configure NS2 so that it can be used. This can be done by editing the configuration files or using a graphical user interface
5. To use NS2, you will need to have Tcl and Otcl installed. These can be obtained from and
6. Finally, you will need to set up your environment so that NS2 knows where to find these files. This can be done by setting the NS2 path in your .bashrc file

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What are the sample programs available for NS2?

There are a number of sample programs available for NS2. They can be found in the directory where NS2 is installed. For example, on a Linux system, they would be found in /usr/share/ns2.

Some of the sample programs include:
-ns: The simulator itself
-nam: A graphical viewer for simulation output
-tclcl: An object-oriented extension to TCL
-otcl: An object-oriented extension to TCL for NS
-lib: Libraries used by NS
-tutorial: A set of tutorials for using NS

How to uninstall NS2 from Ubuntu

The easiest way to uninstall NS2 from Ubuntu is to use the apt-get command. This will remove the package from your system and all its dependent packages.

sudo apt-get remove ns2

If you want to remove the configuration files as well, use the purge option.

sudo apt-get purge ns2


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