Opening Fluent in Linux Error
 

Hi
since i am new in Linux,Ubuntu i try to open Fluent on my device, but i encounter with this error:

999999: mpt_get_dot_address: warning : UNI - SERVER _ > 127.0.0.1 check your system network configuration!

999999: mpt_get_dot_address: warning : UNI - SERVER _ > 127.0.0.1 check your system network configuration!

starting / user/ansys_inc/v150/fluent/fluent15.0.0/(.....), mpirun: rsh: command not found

if anyone can help me to get through this problem i would really appreciate it
thanks in advance