〜動作確認が出来ていません〜
　最後のkeyboard operationでカーソルが無くなり、操作が効かなくなります…。

　ROSの公式動作環境シミュレータのGazeboで遊びます。

1. Terminal 1
   roscore

   $ roscore

   1

   $ roscore

2. Terminal 2
   gazebo

   $ roslaunch turtlebot_gazebo turtlebot_world.launch

   1	$ roslaunch turtlebot_gazebo turtlebot_world.launch

3. Terminal 3
   node

   $ roslaunch turtlebot_bringup minimal.launch

   1	$ roslaunch turtlebot_bringup minimal.launch

4. Terminal 4
   keyboard operation

   $ roslaunch turtlebot_teleop keyboard_teleop.launch

   1	$ roslaunch turtlebot_teleop keyboard_teleop.launch