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72 lines
2.4 KiB
XML
72 lines
2.4 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="systemd-time-wait-sync.service" conditional='ENABLE_TIMESYNCD'>
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<refentryinfo>
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<title>systemd-time-wait-sync.service</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-time-wait-sync.service</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-time-wait-sync.service</refname>
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<refname>systemd-time-wait-sync</refname>
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<refpurpose>Wait Until Kernel Time Synchronized</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>systemd-time-wait-sync.service</filename></para>
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<para><filename>/usr/lib/systemd/systemd-time-wait-sync</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-time-wait-sync</filename> is a system service that delays the start of units that depend on
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<filename>time-sync.target</filename> until the system time has been synchronized with an accurate time source by
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<filename>systemd-timesyncd.service</filename>.</para>
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<para><filename>systemd-timesyncd.service</filename> notifies on successful synchronization.
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<filename>systemd-time-wait-sync</filename> also tries to detect when the kernel marks the time as synchronized,
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but this detection is not reliable and is intended only as a fallback for other servies that can be used to
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synchronize time (e.g., ntpd, chronyd).</para>
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</refsect1>
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<refsect1>
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<title>Files</title>
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<variablelist>
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<varlistentry>
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<term><filename>/run/systemd/timesync/synchronized</filename></term>
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<listitem>
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<para>The presence of this file indicates to this service that the system clock has been synchronized.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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</para>
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</refsect1>
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</refentry>
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