#!/bin/sh SLEEPTIME=10 while truedo STATUS="$(/usr/sbin/ntpq -c 'rv 0 stratum'|awk -F '=' '{ print $2 }')" if [[ -n "$STATUS" && "$STATUS" -lt "16" ]] then ACTION="stratum" /sbin/hotplug-call ntp SLEEPTIME=660 fi sleep $SLEEPTIMEdone