mirror of
https://github.com/systemd/systemd.git
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116 lines
5.1 KiB
XML
116 lines
5.1 KiB
XML
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<?xml version='1.0'?> <!--*-nxml-*-->
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<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
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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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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="timesyncd.conf" conditional='ENABLE_TIMESYNCD'>
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<refentryinfo>
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<title>timesyncd.conf</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>timesyncd.conf</refentrytitle>
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<manvolnum>5</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>timesyncd.conf</refname>
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<refpurpose>Network Time Synchronization configuration file</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/etc/systemd/timesyncd.conf</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>When starting, systemd-timesyncd will read the
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configuration file
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<filename>timesyncd.conf</filename>. This
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configuration file controls NTP network time
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synchronization.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<variablelist class='network-directives'>
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<varlistentry>
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<term><varname>NTP=</varname></term>
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<listitem><para>A space separated list
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of NTP servers host names or IP
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addresses. During runtime this list is
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combined with any per-interface NTP
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servers acquired from
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. systemd-timesyncd
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will contact all configured system or
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per-interface servers in turn until
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one is found that responds. This
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setting defaults to the empty
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list.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>FallbackNTP=</varname></term>
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<listitem><para>A space separated list
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of NTP server host names or IP
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addresses to be used as the fallback
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NTP servers. Any per-interface NTP
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servers obtained from
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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take precedence over this setting, as
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do any servers set via
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<varname>NTP=</varname> above. This
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setting is hence only used if no other
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NTP server information is known. If
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this option is not given, a
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compiled-in list of NTP servers is
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used instead.</para></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-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-networkd.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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