$ sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'   
$ sudo apt-key adv --keyserver hkp://pool.sks-keyservers.net --recv-key 0xB01FA116   
$ sudo sh -c 'echo "deb http://packages.osrfoundation.org/gazebo/ubuntu `lsb_release -cs` main" > /etc/apt/sources.list.d/gazebo-latest.list'   
$ wget http://packages.osrfoundation.org/gazebo.key -O - | sudo apt-key add -     
$ sudo apt-get update   
$ sudo apt-get install -y cmake g++ protobuf-compiler pavucontrol libignition-math3 libsdformat5 libignition-math3-dev libignition-msgs0-dev gazebo8-plugin-base libgazebo8 libgazebo8-dev ros-kinetic-desktop  ros-kinetic-ros-control ros-kinetic-ros-controllers ros-kinetic-image-view2 ros-kinetic-rqt ros-kinetic-rqt-common-plugins ros-kinetic-joy ros-kinetic-teleop-twist-keyboard ros-kinetic-message-to-tf ros-kinetic-tf2-geometry-msgs ros-kinetic-audio-common ros-kinetic-costmap-2d ros-kinetic-image-transport ros-kinetic-image-transport-plugins ros-kinetic-hector-mapping ros-kinetic-hector-geotiff 
$ sudo apt-get install ros-kinetic-hector-pose-estimation ros-kinetic-hector-sensors-description ros-kinetic-controller-manager ros-kinetic-gmapping ros-kinetic-move-base ros-kinetic-hector-mapping ros-kinetic-gazebo8* 

$ cd ~/RoboCup2018RVRL_Demo  
$ ./cleanup    
$ catkin_make  

At terminal1 :  

$ cd ~/RoboCup2018RVRL_Demo  
$ . setup.bash  
$ roslaunch setup world_pre_outdoor_1.launch  

At terminal2 :  

$ cd ~/RoboCup2018RVRL_Demo  
$ . setup.bash  
$ roslaunch robot_description spawn_multi_robots_pre_outdoor_1.launch  
(roslaunch quadrotor_description spawn_multi_robots.launch)  

At terminal1 :  

$ cd ~/RoboCup2018RVRL_Demo  
$ . setup.bash  
$ roslaunch setup world_pre_indoor_1.launch  

At terminal2 :  

$ cd ~/RoboCup2018RVRL_Demo  
$ . setup.bash  
$ roslaunch robot_description spawn_multi_robots_pre_indoor_1.launch  
(roslaunch quadrotor_description spawn_multi_robots.launch)  

At terminal3 :  

$ cd ~/RoboCup2018RVRL_Demo  
$ . setup.bash  
$ rosrun teleop_twist_keyboard teleop_twist_keyboard.py cmd_vel:=robot0/cmd_vel  
(roslaunch hector_quadrotor_teleop SELECT_YOUR_GC.launch robot:=robot0)  

At terminal3 :  

$ cd ~/RoboCup2018RVRL_Demo  
$ . setup.bash  
$ rosrun hector_quadrotor_teleop logitech_gamepad.launch robot:=robot0  
(Push button4, to start motors)