패키지내의 노드 실행
ros2 run PKG Name Node Name
노드가 얼마나 실행중인지 확인
ros2 node list
ROS Service ros2 service list ros2 service type ros2 interface show {service definition} ros2 service call {service name} {service definition} "{data}"
ROS Service
ros2 service list ros2 service type ros2 interface show {service definition} ros2 service call {service name} {service definition} "{data}"