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artix-install-script/programs/ntp-rclocal/ntp.start
T

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#!/bin/sh
old_timestamp="$(cat /etc/local.d/.ntpsync)"
new_timestamp="$(date +%s)"
if [ "$((new_timestamp-old_timestamp))" -gt 604800 ]; then
ntpdate -b pool.ntp.org
hwclock --systohc --utc
echo "$new_timestamp" > /etc/local.d/.ntpsync
fi