sudo chmod -R 777 /dev/ttyUSB0
code /home/ubuntu/.bashrc
echo -e "alias asdf='source ./devel/setup.bash'\nalias mm='asdf; cd ~/catkin_ws; catkin_make'\nsource /opt/ros/melodic/setup.bash\nsource ./devel/setup.bash\n" >> ~/.bashrc
mm
roslaunch my_dynamixel_tutorial controller_manager.launch
roslaunch my_dynamixel_tutorial start_moveit_arm_controllers.launch
rosrun lab3 cpp_file