```
sudo apt-get install ros-$ROS-DISTRO$-turtlebot-gazebo ros-$ROS-DISTRO$-turtlebot-rviz-launchers ros-$ROS-DISTRO$-turtlebot-simulator
```
```
cd catkin_ws/src
git clone https://github.com/ShibataLab/Turtlebot-SLAM-Demo
roscd catkin_ws
catkin_make
source devel/setup.bash
```
*In terminal,
```
roscore
```
*Switch to new tab,
```
source devel/setup.bash
roslaunch turtlebot_gazebo turtlebot_world.launch
```
this will launch gazebo window.
*Switch to new tab
```
source devel/setup.bash
roslaunch slam_demo mapServer.launch
```
*Switch to a new terminal window and make it always on the top
```
source devel/setup.bash
roslaunch turtlebot_telop keyboard_teleop.launch
```
*Switch to a new tab
```
source devel/setup.bash
rosrun rviz rviz
```
set frame:= /odom and display "occupancygrid" topics subscribed to := /octomap_full