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Installation of ns3 in Ubuntu | Ubuntu 24.04 | ns-3.42

ROS Installation | Robotic Operating System Installation | Noetic

ROS Noetic Installation

Today we are going to see the installation of Robotic Operating System 1 (ROS)

Step 1: What We need:

  • This will mainly work on Ubuntu 20.04 OS 
  • Support till 2025 May.
  • Name of the ROS: Noetic 
For the complete installation step by step, you can watch the video given below

Step 2: Commands

Here are the commands to be used one after the other. 

$ sudo sh -c 'echo "deb $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'

$ sudo apt install curl # if you haven't already installed curl

$ curl -s | sudo apt-key add -

The above commands add the ROS to the aptitude manager and we can now install ROS1 with simple commands

$ sudo apt update
$ sudo apt install build-essential autoconf automake libxmu-dev

$ sudo apt install ros-noetic-desktop-full
The above command need 370MB of softwares to be downloaded.

So the complete package of ROS installed. 

We need some more packages to be installed that can create our own workspaces and manage our own workspaces, here are the following packages.

$ sudo apt install python3-rosdep python3-rosinstall python3-rosinstall-generator python3-wstool

$ sudo rosdep init

$ rosdep update

Step 3: Set the path information

Now set the path for a bash file.

Open .bashrc file from the home folder and set the folllwing line

Open the above file using the command 

$ cd 
$ gedit .bashrc

Go to the end of the file and paste the following line

source /opt/ros/noetic/setup.bash

This is how it looks
ROS1 Noetic
ROS path setting

and logout and login back... or restart the system.

Thats it... 

We have installed ROS1 Noetic successfully in Ubuntu 20.04

To check whether it's working or not... run the following commands. 

$ rosrun
$ roslaunch
$ rosmsgs
$ rqt_graph
$ rostopic

If these commands are recognised, then ROS is installed successfully. 


  1. I am trying to install ROS in debian 11 but when my pc is connecting with server say me HTTP sended ....403 Forbidden ERROR 403 Forbidden. gpg: Its not found OpenPGP valid data.


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