Ubuntu – How to join Ubuntu 15.04 / 15.10 to Windows domain

15.10domain-serverjoin;

Could you help me with Ubuntu 15.04 or 15.10 Desktop in join a windows server 2008/2012 domain.

I have tried google this problem but none of them work.

I was not able to get likewise an powerbroker to work.

I am very new at Linux Ubuntu I need all the help I can get to do this, Ubuntu 15.04/15.10 Desktop PC to join a windows server 2008 domain and be able to login with AD and map network drives from the window server. Can anyone help?