#!/bin/bash

for MACHINE in s1 s2 s3 s4 s6 s7 s8 s9
do
  echo "$MACHINE:"
  ssh $MACHINE cat /proc/cpuinfo 2> /dev/null | grep 'model name' | cut -d ':' -f 2 | uniq -c
  ssh $MACHINE cat /proc/meminfo 2> /dev/null | grep 'MemTotal' | cut -d ':' -f 2
  ssh $MACHINE uptime 2> /dev/null
  echo "----"
done