Installing Mono 3.x in Ubuntu/Debian

Question

I\'ve recently read that Mono 3.0 has been released with a C# 5 compiler and support for MVC 4 here:

http://www.mono-project.com/Release_Notes_Mono_3.0

and<

Answer 1

To complete Dominique Goudreault's great solution concerning " Denis The Menace's question in the comments, "Ubuntu 13.04 x86. It says /usr/bin/ld: testgdi.o: undefined reference to symbol 'g_print'"

Please follow this simple trick which got it done for me.

http://www.sgvulcan.com/libgdiplus-2-10-9-build-fails-on-slacware-current64-2012-06/

I can't reply to the comment as I wished, so I have to put up another answer here, any suggestion for a better practice?

Update: Opps, I didn't notice David V has already pointed out the solution, gave all credit to him, my link says the same thing, but maybe provided a clearer path. :P