Important sources to proceed tutorial
A guide for people who is coming, Config files, important form 0:00 to 13:50 L3DT Pro from 13:50 to 31:30
Go to official BohemiaInteractive, here for further info https://github.com/BohemiaInteractive/DayZ-Samples/tree/master/Test_Terrain or here, on BohemiaInteractive Folder.
For the terrain config file, go to https://forums.dayz.com/topic/252910-new-map-town-names/ or here, on Tasmania Folder.