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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
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tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /man/systemd-time-wait-sync.service.xml
parentInitial commit. (diff)
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systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+
+<refentry id="systemd-time-wait-sync.service" conditional='ENABLE_TIMESYNCD'
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>systemd-time-wait-sync.service</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-time-wait-sync.service</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-time-wait-sync.service</refname>
+ <refname>systemd-time-wait-sync</refname>
+ <refpurpose>Wait until kernel time is synchronized</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>systemd-time-wait-sync.service</filename></para>
+ <para><filename>/usr/lib/systemd/systemd-time-wait-sync</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><filename>systemd-time-wait-sync</filename> is a system service that delays the start of units that
+ are ordered after <filename>time-sync.target</filename> (see
+ <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry> for
+ details) until the system time has been synchronized with an accurate remote reference time source by
+ <filename>systemd-timesyncd.service</filename>.</para>
+
+ <para><filename>systemd-timesyncd.service</filename> notifies <filename>systemd-time-wait-sync</filename>
+ about successful synchronization. <filename>systemd-time-wait-sync</filename> also tries to detect when
+ the kernel marks the system clock as synchronized, but this detection is not reliable and is intended
+ only as a fallback for compatibility with alternative NTP services that can be used to synchronize time
+ (e.g., ntpd, chronyd).</para>
+ </refsect1>
+
+ <refsect1>
+ <title>Files</title>
+
+ <variablelist>
+ <varlistentry>
+ <term><filename>/run/systemd/timesync/synchronized</filename></term>
+
+ <listitem>
+ <para>The presence of this file indicates to this service that the system clock has been synchronized.</para>
+
+ <xi:include href="version-info.xml" xpointer="v239"/>
+ </listitem>
+
+ </varlistentry>
+ </variablelist>
+
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ </para>
+ </refsect1>
+
+</refentry>