Hi Fa-Gung,

Can you try `ssh CentOS-6.localdomain` ? It looks like a network setting issue.

And it will be always good to use the latest version of MPICH. MPICH2 is too old. You can download the latest MPICH at http://www.mpich.org/downloads/.

Min

On 10/12/17 10:51 PM, Fa-Gung Fan wrote:

Hi,

I installed mpich2-1.4.1p1 on CentOS 6.9 following the README instruction. Configure, make, and make install steps went fine. But, when running CPI example on local machine, I got:

$ pwd
/home/ffan/Downloads/mpich2-1.4.1p1

$ mpiexec -n 2 ./examples/cpi
ssh: Could not resolve hostname CentOS-6.localdomain: Name or service not known

What could have been wrong? Thank you very much for your help.

Fa-Gung Fan
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