turtlebot gmapping with Hokuyo

change ~/.bashrc MASTER_URL as the address you will link$ roscore
$ ssh turtlebot@192.168.1.97
$ rostopic list
$ roslaunch turtlebot_bringup minimal.launch
$ roslaunch turtlebot_navigation hokuyo_gmapping_demo.launch
$ roslaunch turtlebot_teleop keyboard_teleop.launch can use key control the robot move
$ roslaunch turtlebot_rviz_launchers view_navigation.launch
show the map