Create a Dotnet aspnet core 1.1 web server in OSX
Install Dotnet core à la https://www.microsoft.com/net/core#macos
Create a folder and to to it.
Open a terminal (one cannot reuse any terminal from before dotnet was installed since the path is updated) and execute:
dotnet new -t web
Open another terminal and execute:
A pile of HTML should scroll into view.
In the first terminal you can see the reaction.