ROS2 Tools # you can know the details of function ros2 -h # print now executing nodes ros2 node list # print the node's information ros2 node info [node`s name] # in your ~/.bashrc # you can not use ros2 functions without this line(ex. ros2 run ~) source /opt/ros/foxy/setup.bash # you can not use your local workspace nodes without this line source ~/ros2_ws/install/setup.bash source /usr/share/c..