> What do you mean "manually"? I downloaded .deb from ubuntu and installed > through ubuntu software manage system. do you mean that I should command > line to get the package and to install?
Yes, you should use the official ubuntu/debian package manager if at all possible. You can use "apt" or "apt-get" or something graphical like "synaptic". > I also have openmpi while checking by "dpkg -l | grep mpi". However, when I > check /usr/bin/mpicc , mpic++, mpirun, mpiexec. They all using mpich include > and lib. Well, clearly things are not working for you. My advice: only have one MPI library installed and use the official repos. -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.