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6a7e63ef | 1 | <?xml version='1.0'?> <!--*-nxml-*--> |
6a7e63ef | 2 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" |
12b42c76 | 3 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
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4 | |
5 | <!-- | |
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6 | SPDX-License-Identifier: LGPL-2.1+ |
7 | ||
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8 | This file is part of systemd. |
9 | ||
10 | Copyright 2010 Lennart Poettering | |
11 | ||
12 | systemd is free software; you can redistribute it and/or modify it | |
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13 | under the terms of the GNU Lesser General Public License as published by |
14 | the Free Software Foundation; either version 2.1 of the License, or | |
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15 | (at your option) any later version. |
16 | ||
17 | systemd is distributed in the hope that it will be useful, but | |
18 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 20 | Lesser General Public License for more details. |
6a7e63ef | 21 | |
5430f7f2 | 22 | You should have received a copy of the GNU Lesser General Public License |
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23 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
24 | --> | |
25 | ||
26 | <refentry id="hostname"> | |
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27 | <refentryinfo> |
28 | <title>hostname</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>hostname</refentrytitle> | |
43 | <manvolnum>5</manvolnum> | |
44 | </refmeta> | |
45 | ||
46 | <refnamediv> | |
47 | <refname>hostname</refname> | |
48 | <refpurpose>Local hostname configuration file</refpurpose> | |
49 | </refnamediv> | |
50 | ||
51 | <refsynopsisdiv> | |
52 | <para><filename>/etc/hostname</filename></para> | |
53 | </refsynopsisdiv> | |
54 | ||
55 | <refsect1> | |
56 | <title>Description</title> | |
57 | ||
58 | <para>The <filename>/etc/hostname</filename> file configures the | |
59 | name of the local system that is set during boot using the | |
60 | <citerefentry><refentrytitle>sethostname</refentrytitle><manvolnum>2</manvolnum></citerefentry> | |
61 | system call. It should contain a single newline-terminated | |
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62 | hostname string. Comments (lines starting with a `#') are ignored. |
63 | The hostname may be a free-form string up to 64 characters in length; | |
64 | however, it is recommended that it consists only of 7-bit ASCII lower-case | |
65 | characters and no spaces or dots, and limits itself to the format allowed | |
66 | for DNS domain name labels, even though this is not a strict | |
67 | requirement.</para> | |
798d3a52 | 68 | |
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69 | <para>You may use |
70 | <citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
71 | to change the value of this file during runtime from the command | |
72 | line. Use | |
73 | <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
74 | to initialize it on mounted (but not booted) system images.</para> | |
75 | </refsect1> | |
76 | ||
77 | <refsect1> | |
78 | <title>History</title> | |
79 | ||
80 | <para>The simple configuration file format of | |
81 | <filename>/etc/hostname</filename> originates from Debian | |
82 | GNU/Linux.</para> | |
83 | </refsect1> | |
84 | ||
85 | <refsect1> | |
86 | <title>See Also</title> | |
87 | <para> | |
88 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
89 | <citerefentry><refentrytitle>sethostname</refentrytitle><manvolnum>2</manvolnum></citerefentry>, | |
90 | <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
91 | <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>7</manvolnum></citerefentry>, | |
92 | <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>, | |
93 | <citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>, | |
94 | <citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, | |
95 | <citerefentry><refentrytitle>systemd-hostnamed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, | |
96 | <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry> | |
97 | </para> | |
98 | </refsect1> | |
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99 | |
100 | </refentry> |