multissh

#!/bin/bash

if [ -f /etc/redhat-release ] ; then
    pssh=pssh
else
    pssh=parallel-ssh
fi

if [ ! -d ~/nodes ] ; then
    mkdir ~/nodes
fi

if [ "$1" != "" ] ; then
    nodes=$1
    shift
    ${pssh} -h ~/nodes/${nodes} -i -t 0 -O "ForwardX11=No" "$@"
else
    node_defs="["
    for i in `ls ~/nodes` ; do
        node_defs="${node_defs}${i}|"
    done
    echo "${0} ${node_defs%?}]"
fi