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diff --git a/man/timesyncd.conf.xml b/man/timesyncd.conf.xml new file mode 100644 index 0000000..1cbea9e --- /dev/null +++ b/man/timesyncd.conf.xml @@ -0,0 +1,106 @@ +<?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="timesyncd.conf" conditional='ENABLE_TIMESYNCD' + xmlns:xi="http://www.w3.org/2001/XInclude"> + <refentryinfo> + <title>timesyncd.conf</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>timesyncd.conf</refentrytitle> + <manvolnum>5</manvolnum> + </refmeta> + + <refnamediv> + <refname>timesyncd.conf</refname> + <refname>timesyncd.conf.d</refname> + <refpurpose>Network Time Synchronization configuration files</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>/etc/systemd/timesyncd.conf</filename></para> + <para><filename>/etc/systemd/timesyncd.conf.d/*.conf</filename></para> + <para><filename>/run/systemd/timesyncd.conf.d/*.conf</filename></para> + <para><filename>/usr/lib/systemd/timesyncd.conf.d/*.conf</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para>These configuration files control NTP network time synchronization. See + <citerefentry><refentrytitle>systemd.syntax</refentrytitle><manvolnum>7</manvolnum></citerefentry> + for a general description of the syntax.</para> + </refsect1> + + <xi:include href="standard-conf.xml" xpointer="main-conf" /> + + <refsect1> + <title>Options</title> + + <para>The following settings are configured in the [Time] section:</para> + + <variablelist class='network-directives'> + + <varlistentry> + <term><varname>NTP=</varname></term> + <listitem><para>A space-separated list of NTP server host + names or IP addresses. During runtime this list is combined + with any per-interface NTP servers acquired from + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. + systemd-timesyncd will contact all configured system or + per-interface servers in turn until one is found that + responds. When the empty string is assigned, the list of + NTP servers is reset, and all assignments prior to this one + will have no effect. This setting defaults to an empty + list.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>FallbackNTP=</varname></term> + <listitem><para>A space-separated list of NTP server host + names or IP addresses to be used as the fallback NTP servers. + Any per-interface NTP servers obtained from + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + take precedence over this setting, as do any servers set via + <varname>NTP=</varname> above. This setting is hence only used + if no other NTP server information is known. When the empty + string is assigned, the list of NTP servers is reset, + and all assignments prior to this one will have no effect. + If this option is not given, a compiled-in list of NTP servers + is used instead.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>RootDistanceMaxSec=</varname></term> + <listitem><para>Maximum acceptable root distance. Takes a time value (in seconds). + Defaults to 5 seconds.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>PollIntervalMinSec=</varname></term> + <term><varname>PollIntervalMaxSec=</varname></term> + <listitem><para>The minimum and maximum poll intervals for NTP messages. + Each setting takes a time value (in seconds). + <varname>PollIntervalMinSec=</varname> must not be smaller than 16 seconds. + <varname>PollIntervalMaxSec=</varname> must be larger than <varname>PollIntervalMinSec=</varname>. + <varname>PollIntervalMinSec=</varname> defaults to 32 seconds, and + <varname>PollIntervalMaxSec=</varname> defaults to 2048 seconds.</para></listitem> + </varlistentry> + + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |