this didn't seem to make it the first time Nasser Mohieddin Abukhdeir wrote: > Hi: > I agonized a little today getting LibMesh working on one of my > group's computational servers so I decided to document the > installation process: > > -----Installation on Debian Lenny/Testing----- > > > aptitude install libmesh0.6.1 libmesh0.6.1-dev > > Yes, its that easy, but not so fast... > > > ----Installation on Debian Etch/Stable----- > > 1) I used the latest version of LibMesh (0.6.2) > 2) Installing the package petsc-dev takes care of installing MPICH for > you > > > aptitude install petsc-dev > > Edit the file /etc/mpich/machines.linux to describe your network > topology, I just want to use my SMP machine, so I added this line: > > localhost:8 > > where the ":8" reflects the number of processors my system has. > > 3) Unfortunately it does not install rsh which is required my MPICH: > > > aptitude install rsh-server rsh-client > > 4) Create a file ~/.rhosts and add a line: > > localhost USERNAME > > where you substitute your user name in, you also might have to add > "localhost" to your /etc/hosts.allow file for this to work. At this > point you should be able to run "tstmachines.mpich" to verify that MPI > is working > > 5) Unpack the LibMesh tarball and do the following (depending on your > shell): > > > export PETSC_ARCH="linux-gnu-c-opt" > > export PETSC_DIR="/usr/lib/petscdir/2.3.2/" > >./configure --with-mpi=/usr/lib/mpich --with-cxx=mpicxx.mpich > --with-cc=mpicc.mpich --with-f77=mpif77.mpich -with-CC=mpiCC.mpich > > This took me a while to figure out, but you need to make sure LibMesh > knows you are using MPICH, because without the first option it will be > configured for LAM-MPI. The other options are intuitive, except you > need to use the suffix ".mpich" on all of the compilers so that you do > not end up using the LAM wrapper version > > 6) Compile and test (if you have multiple processors use the -j option > to let make know) > > > make -j 8 > > cd examples/ex9 > > mpirun -np 8 ./ex9-opt > > Hopefully I didn't miss anything. >
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