First, thank you guys for your pacience...<br><br>i can ssh the machines of hosts file without password..<br>Result of ssh:<br><br><blockquote style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;" class="gmail_quote">
pexe-note@pexe-note:~$ ssh pexe-pc@pexe-pc date<br>Mon Jul 25 12:47:33 BRT 2011<br></blockquote><div><br>i followed  <a href="http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager#Using_Hydra_on_Machines_with_Different_User_Names" target="_blank">http://wiki.mcs.anl.gov/mpich2/index.php/Using_the_Hydra_Process_Manager#Using_Hydra_on_Machines_with_Different_User_Names</a><br>
<br>i change my host file(machine file), that is now:<br><br><blockquote style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;" class="gmail_quote">pexe-pc        user=pexe-pc<br>
pexe-note     user=pexe-note<br></blockquote><div><br>now when i try mpiexec, i got this:<br> <br></div></div><blockquote style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;" class="gmail_quote">
pexe-note@pexe-note:~$ mpiexec -f machinefile -n 5 ./mpich2-1.4/examples/cpi<br>bash: /home/pexe-note/mpich2-install/bin/hydra_pmi_proxy: No such file or directory<br></blockquote><div><br>these guy had the same problem ( <a href="http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-November/008462.html">http://lists.mcs.anl.gov/pipermail/mpich-discuss/2010-November/008462.html</a> ), but i dont understand how he solved that.<br>
</div><br><br clear="all"><br>-- <br>*Charles Sartori<br>