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1 | <?xml version='1.0'?> <!--*-nxml-*--> |
2 | <?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?> | |
3 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" | |
798d3a52 | 4 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
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5 | |
6 | <!-- | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2014 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU Lesser General Public License as published by | |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | Lesser General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU Lesser General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | --> | |
24 | ||
be795898 | 25 | <refentry id="timesyncd.conf" conditional='ENABLE_TIMESYNCD' |
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26 | xmlns:xi="http://www.w3.org/2001/XInclude"> |
27 | <refentryinfo> | |
28 | <title>timesyncd.conf</title> | |
29 | <productname>systemd</productname> | |
30 | ||
31 | <authorgroup> | |
32 | <author> | |
33 | <contrib>Developer</contrib> | |
34 | <firstname>Lennart</firstname> | |
35 | <surname>Poettering</surname> | |
36 | <email>lennart@poettering.net</email> | |
37 | </author> | |
38 | </authorgroup> | |
39 | </refentryinfo> | |
40 | ||
41 | <refmeta> | |
42 | <refentrytitle>timesyncd.conf</refentrytitle> | |
43 | <manvolnum>5</manvolnum> | |
44 | </refmeta> | |
45 | ||
46 | <refnamediv> | |
47 | <refname>timesyncd.conf</refname> | |
48 | <refname>timesyncd.conf.d</refname> | |
49 | <refpurpose>Network Time Synchronization configuration files</refpurpose> | |
50 | </refnamediv> | |
51 | ||
52 | <refsynopsisdiv> | |
53 | <para><filename>/etc/systemd/timesyncd.conf</filename></para> | |
54 | <para><filename>/etc/systemd/timesyncd.conf.d/*.conf</filename></para> | |
55 | <para><filename>/run/systemd/timesyncd.conf.d/*.conf</filename></para> | |
56 | <para><filename>/usr/lib/systemd/timesyncd.conf.d/*.conf</filename></para> | |
57 | </refsynopsisdiv> | |
58 | ||
59 | <refsect1> | |
60 | <title>Description</title> | |
61 | ||
62 | <para>These configuration files control NTP network time | |
63 | synchronization.</para> | |
64 | ||
65 | </refsect1> | |
66 | ||
67 | <xi:include href="standard-conf.xml" xpointer="confd" /> | |
68 | <xi:include href="standard-conf.xml" xpointer="conf" /> | |
69 | ||
70 | <refsect1> | |
71 | <title>Options</title> | |
72 | ||
73 | <variablelist class='network-directives'> | |
74 | ||
75 | <varlistentry> | |
76 | <term><varname>NTP=</varname></term> | |
77 | <listitem><para>A space separated list of NTP servers host | |
78 | names or IP addresses. During runtime this list is combined | |
79 | with any per-interface NTP servers acquired from | |
80 | <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>. | |
81 | systemd-timesyncd will contact all configured system or | |
82 | per-interface servers in turn until one is found that | |
83 | responds. This setting defaults to the empty | |
84 | list.</para></listitem> | |
85 | </varlistentry> | |
86 | ||
87 | <varlistentry> | |
88 | <term><varname>FallbackNTP=</varname></term> | |
89 | <listitem><para>A space separated list of NTP server host | |
90 | names or IP addresses to be used as the fallback NTP servers. | |
91 | Any per-interface NTP servers obtained from | |
92 | <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> | |
93 | take precedence over this setting, as do any servers set via | |
94 | <varname>NTP=</varname> above. This setting is hence only used | |
95 | if no other NTP server information is known. If this option is | |
96 | not given, a compiled-in list of NTP servers is used | |
97 | instead.</para></listitem> | |
98 | </varlistentry> | |
99 | ||
100 | </variablelist> | |
101 | </refsect1> | |
102 | ||
103 | <refsect1> | |
104 | <title>See Also</title> | |
105 | <para> | |
106 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
107 | <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
108 | <citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> | |
109 | </para> | |
110 | </refsect1> | |
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111 | |
112 | </refentry> |