How to build two q2a sites with one membership system m

Question

Hi can i build two q2a sites with the same membership system, I mean when someone register in the first he can enter the second with the same username and password without new registration

I need questions and answers of the first q2a site to be separate from the other, as an example for other language versions of my site

Answer 1

I had done this

it should modify the code

example site:

ogeek.cn/qa

ostack.cn/qa

Comments

how that ???