#!/bin/bash
USERNAME=lxadmin
HOSTS=(127.0.0.1 192.168.184.129)
SCRIPT="awk -F : '{print \$1, \$3}' /etc/passwd"
for HOSTNAME in ${HOSTS[*]} ; do
    server=( $( ssh -l ${USERNAME} ${HOSTNAME} "${SCRIPT}"))
        echo "this is server: $server"
        echo "this is hostname: ${HOSTNAME}"
done