Install ROS2 Humble on Ubuntu 22.04

1. Set location

$ sudo apt update && sudo apt install locales
$ sudo locale-gen en_US en_US.UTF-8
$ sudo update-locale LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8
$ export LANG=en_US.UTF-8

2. Ubuntu Universe Repository

$ sudo apt install software-properties-common
$ sudo add-apt-repository universe

3. ROS2 GPG Key

$ sudo apt update && sudo apt install curl -y
$ sudo curl -sSL https://raw.githubusercontent.com/ros/rosdistro/master/ros.key -o /usr/share/keyrings/ros-archive-keyring.gpg

$ echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/ros-archive-keyring.gpg] http://packages.ros.org/ros2/ubuntu $(. /etc/os-release && echo $UBUNTU_CODENAME) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null

4. ROS2 Installation

$ sudo apt update
$ sudo apt upgrade

$ sudo apt install ros-humble-desktop

$ sudo apt install ros-dev-tools

5. Check ROS2 Installation

You can check ROS2 installation by running ‘talker’ and ‘listener’ example nodes.


(Open new terminal, C++ version – talker)

$ ros2 run demo_nodes_cpp talker

(Open new terminal, Python version)

$ ros2 run demo_nodes_py listener

6. ROS2 Development Tools Installation

$ sudo apt update && sudo apt install -y \
build-essential \
cmake \
git \
libbullet-dev \
python3-colcon-common-extensions \
python3-flake8 \
python3-pip \
python3-pytest-cov \
python3-rosdep \
python3-setuptools \
python3-vcstool \
wget

$ python3 -m pip install -U \
argcomplete \
flake8-blind-except \
flake8-builtins \
flake8-class-newline \
flake8-comprehensions \
flake8-deprecated \
flake8-docstrings \
flake8-import-order \
flake8-quotes \
pytest-repeat \
pytest-rerunfailures \
pytest

$ sudo apt install --no-install-recommends -y \
libasio-dev \
libtinyxml2-dev \
libcunit1-dev

7. ROS2 Build Test

$ source /opt/ros/humble/setup.bash
$ mkdir -p ~/robot_ws/src
$ cd ~/robot_ws/
$ colcon build --symlink-install

Then, you can check that there are (1) build, (2) install, (3) log folders in robot_ws.

8. Run Commands Setting

Open bashrc with following commands,

gedit ~/.bashrc

And copy and paste following contents in the end

# ROS2
source /opt/ros/humble/setup.bash
source ~/robot_ws/install/local_setup.bash

source /usr/share/colcon_argcomplete/hook/colcon-argcomplete.bash
source /usr/share/vcstool-completion/vcs.bash
source /usr/share/colcon_cd/function/colcon_cd.sh
export _colcon_cd_root=~/robot_ws

export ROS_DOMAIN_ID=7
export ROS_NAMESPACE=robot1

export RMW_IMPLEMENTATION=rmw_fastrtps_cpp
# export RMW_IMPLEMENTATION=rmw_connext_cpp
# export RMW_IMPLEMENTATION=rmw_cyclonedds_cpp
# export RMW_IMPLEMENTATION=rmw_gurumdds_cpp

# export RCUTILS_CONSOLE_OUTPUT_FORMAT='[{severity} {time}] [{name}]: {message} ({function_name}() at {file_name}:{line_number})'
export RCUTILS_CONSOLE_OUTPUT_FORMAT='[{severity}]: {message}'
export RCUTILS_COLORIZED_OUTPUT=1
export RCUTILS_LOGGING_USE_STDOUT=0
export RCUTILS_LOGGING_BUFFERED_STREAM=1

alias cw='cd ~/robot_ws'
alias cs='cd ~/robot_ws/src'
alias ccd='colcon_cd'

alias cb='cd ~/robot_ws && colcon build --symlink-install'
alias cbs='colcon build --symlink-install'
alias cbp='colcon build --symlink-install --packages-select'
alias cbu='colcon build --symlink-install --packages-up-to'
alias ct='colcon test'
alias ctp='colcon test --packages-select'
alias ctr='colcon test-result'

alias rt='ros2 topic list'
alias re='ros2 topic echo'
alias rn='ros2 node list'

alias killgazebo='killall -9 gazebo & killall -9 gzserver  & killall -9 gzclient'

alias af='ament_flake8'
alias ac='ament_cpplint'

alias testpub='ros2 run demo_nodes_cpp talker'
alias testsub='ros2 run demo_nodes_cpp listener'
alias testpubimg='ros2 run image_tools cam2image'
alias testsubimg='ros2 run image_tools showimage'