• sudo apt install ros-humble-gazebo-ros-pkgs //install gazebo
• sudo apt-get install ros-noetic-hector-gazebo -- symlink -install

rosrun rqt_tf_tree rqt_tf_tree

new folder scripts made

rosrun teleop_twist_keyboard teleop_twist_keyboard.py cmd_vel:=/p3dx/cmd_vel

rosrun teleop_twist_keyboard teleop_twist_keyboard.py cmd_vel:=/RosAria/cmd_vel

roslaunch gazebo_plugins pioneer3dx.gazebo.launch use_sim_time:=true

roslaunch gazebo_ros empty_world.launch use_sim_time:=true

rosrun image_view image_view image:=/p3dx/front_camera/image_raw