ROS Rolling Installation in Ubuntu 20.04 – Step-by-step

Installing

2. 2. Enabling ROS Rolling Repository

   Add ROS Rolling Repository for Ubuntu GNU/Linux

   Install ROS Rolling Repo for Ubuntu

   ROS Rolling Repository for Ubuntu.

3. 3. Upgrading System

   Now it’s recommended to Upgrade System
   With:

   sudo apt update && sudo apt upgrade

   And in case of a New Kernel setup then to Reboot:

   sudo reboot

4. 4. Installing ROS

   Then to Install ROS Rolling on Ubuntu
   So Now to Install the Recommended Complete Bundle use:

   ssudo apt install ros-rolling-desktop

   This is the Recommended Setup including: ROS, RViz, Demos, and Tutorials.
   Either for the ROS Base without GUI Tools:

   sudo apt install ros-rolling-ros-base

   Last, for the Development tools (Compilers and other tools to build ROS packages):

   sudo apt install ros-dev-tools