Hi dear friends I'm trying to run my mpi programs. I should run (mpd -d) in my terminal commands. but i got only this: mpd failed: gethostbyname_ex failed for linux-ut6d.site {linux-ut6d.site is my Hostname.Domainname} Any idea? please help me immediately... -- *Best Regards* * Hamideh Jabalameli* M.Sc Candidate, School of Electrical and Computer Engineering, College of Engineering, Electronici Shahid Beheshti Tehran University [email protected] [email protected]