$ sudo vim hosts
add master [IP_of master] master.local
None
Note:
$ git clone https://github.com/championway/multi_robot_patrolling
$ cd multi_robot_patrolling
$ source environment.sh
$ source set_ros_master.sh master
$ cd catkin_ws
$ catkin_make
$ roslaunch master master_node.launch p_num:=[number_of_patrolling_node]
$ roslaunch demo patrolling.launch veh:=[your_robot_name]