MPI
From hpcwiki
In order to install openmpi the following commands were issued at each node:
yum install openmpi yum install openmpi-devel
This installs openmpi in /usr/lib64/ For the libraries and binaries to be accessible to the users just add the following lines to the user .basrh file, which is located at /home/user name/:
export LD_LIBRARY_PATH=/usr/lib64/openmpi/lib/:$LD_LIBRARY_PATH export PATH=/usr/lib64/openmpi/bin/:$PATH
