Linux 同时在多个服务器中执行命令

#!/bin/bashif [ $# -lt 1 ]; then  echo no args  exit;fiecho ----xcall $arg1 from localhost----$@echofor((i=2;i<=3;i++));do  echo ----xcall $arg1 from centos$i ----;  ssh centos$i $@  echodone