OrangePi Zero3: How to install ROS 1 Noetic on Ubuntu 20.04

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Chapt 3. Instructions for use of Debian/Ubuntu Server and Xfce desktop system

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Chapter 3 contents

3.31.1. How to install ROS 1 Noetic on Ubuntu 20.04

1) The currently active version of ROS 1 is shown below, and the recommended version is Noetic Ninjemys

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http://docs.ros.org https://wiki.ros.org/Distributions

2) ROS 1 NoeticNinjemys official installation documentation link is as follows http://wiki.ros.org/noetic/Installation/Ubuntu

3) In the ROS NoeticNinjemys official installation document, Ubuntu recommends using Ubuntu20.04, so please make sure that the system used by the development board is the Ubuntu20.04 desktop system

http://wiki.ros.org/noetic/Installation

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4) Then use the script below to install ros1

orangepi@orangepi:~$ install_ros.sh ros1

5) Before using the ROS tool, you first need to initialize rosdep, and then you can quickly install some system dependencies and some core components in ROS when compiling the source code

Note that running the following command needs to ensure that the development board can access github normally, otherwise an error will be reported due to network problems

The install_ros.sh script will try to modify /etc/hosts and run the following commands automatically. However, this method cannot guarantee that github can be accessed normally every time. If install_ros.sh prompts the following error after installing ros1, please find other ways to allow the linux system of the development board to access github normally, and then manually run the following command

https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml ERROR: error loading sources list: The read operation timed out

orangepi@orangepi:~$ source /opt/ros/noetic/setup.bash orangepi@orangepi:~$ sudo rosdep init Wrote /etc/ros/rosdep/sources.list.d/20-default.list Recommended: please run rosdep update orangepi@orangepi:~$ rosdep update reading in sources list data from /etc/ros/rosdep/sources.list.d Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/python.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/ruby.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/releases/fuerte.yaml Query rosdistro index https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml Skip end-of-life distro "ardent" Skip end-of-life distro "bouncy" Skip end-of-life distro "crystal" Skip end-of-life distro "dashing" Skip end-of-life distro "eloquent" Add distro "foxy"

Add distro "galactic" Skip end-of-life distro "groovy" Add distro "humble" Skip end-of-life distro "hydro" Skip end-of-life distro "indigo" Skip end-of-life distro "jade" Skip end-of-life distro "kinetic" Skip end-of-life distro "lunar" Add distro "melodic" Add distro "noetic" Add distro "rolling" updated cache in /home/orangepi/.ros/rosdep/sources.cache

6) Then open a command line terminal window on the desktop, and use the test_ros.sh script to start a small turtle routine to test whether ROS can be used normally

orangepi@orangepi:~$ test_ros.sh

7) After running the test_ros.sh script, a little turtle as shown in the figure below will pop up

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8) Then please keep the terminal window you just opened on top

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9) At this time, press the direction keys on the keyboard to control the little turtle to move up, down, left, and right

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