]>
Commit | Line | Data |
---|---|---|
83620960 | 1 | <?xml version='1.0'?> <!--*-nxml-*--> |
3a54a157 | 2 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" |
12b42c76 | 3 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
0307f791 | 4 | <!-- SPDX-License-Identifier: LGPL-2.1+ --> |
83620960 | 5 | |
56ba3c78 | 6 | <refentry id="systemd-timedated.service" conditional='ENABLE_TIMEDATED'> |
83620960 | 7 | |
798d3a52 ZJS |
8 | <refentryinfo> |
9 | <title>systemd-timedated.service</title> | |
10 | <productname>systemd</productname> | |
798d3a52 ZJS |
11 | </refentryinfo> |
12 | ||
13 | <refmeta> | |
14 | <refentrytitle>systemd-timedated.service</refentrytitle> | |
15 | <manvolnum>8</manvolnum> | |
16 | </refmeta> | |
17 | ||
18 | <refnamediv> | |
19 | <refname>systemd-timedated.service</refname> | |
20 | <refname>systemd-timedated</refname> | |
21 | <refpurpose>Time and date bus mechanism</refpurpose> | |
22 | </refnamediv> | |
23 | ||
24 | <refsynopsisdiv> | |
25 | <para><filename>systemd-timedated.service</filename></para> | |
12b42c76 | 26 | <para><filename>/usr/lib/systemd/systemd-timedated</filename></para> |
798d3a52 ZJS |
27 | </refsynopsisdiv> |
28 | ||
29 | <refsect1> | |
30 | <title>Description</title> | |
31 | ||
32 | <para><filename>systemd-timedated</filename> is a system service | |
33 | that may be used as a mechanism to change the system clock and | |
34 | timezone, as well as to enable/disable NTP time synchronization. | |
35 | <filename>systemd-timedated</filename> is automatically activated | |
36 | on request and terminates itself when it is unused.</para> | |
37 | ||
38 | <para>The tool | |
39 | <citerefentry><refentrytitle>timedatectl</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
40 | is a command line client to this service.</para> | |
41 | ||
42 | <para>See the <ulink | |
28a0ad81 | 43 | url="https://www.freedesktop.org/wiki/Software/systemd/timedated"> |
798d3a52 ZJS |
44 | developer documentation</ulink> for information about the APIs |
45 | <filename>systemd-timedated</filename> provides.</para> | |
46 | </refsect1> | |
47 | ||
326208e0 YW |
48 | <refsect1> |
49 | <title>Environment</title> | |
50 | ||
51 | <variablelist class='environment-variables'> | |
52 | <varlistentry> | |
53 | <term><varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname></term> | |
54 | ||
55 | <listitem><para>Colon-separated list of unit names of NTP client services. | |
56 | If not set, then | |
57 | <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> | |
58 | is used. See the entries of NTP related commands of | |
59 | <citerefentry><refentrytitle>timedatectl</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
60 | for details about this.</para> | |
61 | ||
62 | <para>Example: | |
63 | <programlisting>SYSTEMD_TIMEDATED_NTP_SERVICES=ntpd.service:chronyd.service:systemd-timesyncd.service</programlisting> | |
64 | </para></listitem> | |
65 | </varlistentry> | |
66 | </variablelist> | |
67 | </refsect1> | |
798d3a52 ZJS |
68 | <refsect1> |
69 | <title>See Also</title> | |
70 | <para> | |
71 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
72 | <citerefentry><refentrytitle>timedatectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
73 | <citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>, | |
326208e0 YW |
74 | <citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>, |
75 | <citerefentry><refentrytitle>systemd-timesyncd</refentrytitle><manvolnum>8</manvolnum></citerefentry> | |
798d3a52 ZJS |
76 | </para> |
77 | </refsect1> | |
83620960 LP |
78 | |
79 | </refentry> |