Hello! When I try to exec my program on several machines, there is some trouble: When I use one node, there is all right. Before starting, system ask me: mpiu@ub1's password: ... But, when I try with two nodes: mpiu@ub2's password: mpiu@ub1's password: ... On one line! I try to typewrite password, but there is just stop and don't work. Without any issues or errors messages. I use mpich 1.4.1 and Ubuntu 12. -- С уважением, Иванов Ярослав