script to setup an mpi cluster node

bootstrap.sh

#!/bin/bash

#install openmpi stuff
yum install gcc -y
yum install openmpi-devel -y

#add new user cluster
useradd cluster

#copy credentials to cluster users
cp -r .ssh /home/cluster/.ssh
chown -R cluster:cluster /home/cluster/.ssh


#Give sudo privilges to the cluster user
echo "cluster ALL=(ALL) ALL" >> /etc/sudoers

#set cluster user password to first argument
echo -e "${1}\n${1}\n" | passwd cluster

#add stuff to path for openmpi to work
echo "export PATH=/usr/lib64/openmpi/1.4-gcc/bin:$PATH" >> /home/cluster/.bashrc
echo "export LD_LIBRARY_PATH=/usr/lib64/openmpi/1.4-gcc/lib:$LD_LIBRARY_PATH" >> /home/cluster/.bashrc