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man: say that hostname must can be a fqdn or not

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Fixes #18426
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2021-02-25 14:14:39 +01:00
parent 403db47069
commit 9f0840e421
2 changed files with 13 additions and 5 deletions
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15
man/hostnamectl.xml
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@ -1,6 +1,9 @@
<?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">
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
<!ENTITY % entities SYSTEM "custom-entities.ent" >
%entities;
]>
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
<refentry id="hostnamectl" conditional='ENABLE_HOSTNAMED'
@ -76,9 +79,13 @@
still following the validity rules of the specific name. This simplification of the hostname string is not done
if only the transient and/or static hostnames are set, and the pretty hostname is left untouched.</para>
<para>Pass the empty string <literal></literal> as the
hostname to reset the selected hostnames to their default
(usually <literal>localhost</literal>).</para></listitem>
<para>The static and transient hostnames must each be either a single DNS label (a string composed of
7-bit ASCII lower-case characters and no spaces or dots, limited to the format allowed for DNS domain
name labels), or a sequence of such labels separated by single dots that forms a valid DNS FQDN. The
hostname must be at most 64 characters, which is a Linux limitation (DNS allows longer names).</para>
<para>Pass the empty string <literal></literal> as the hostname to reset the selected hostnames to
their default (usually <literal>&FALLBACK_HOSTNAME;</literal>).</para></listitem>
</varlistentry>
<varlistentry>

3
man/os-release.xml
View file

@ -325,7 +325,8 @@
present and no other configuration source specifies the hostname. Must be either a single DNS label
(a string composed of 7-bit ASCII lower-case characters and no spaces or dots, limited to the format
allowed for DNS domain name labels), or a sequence of such labels separated by single dots that forms
a valid DNS FQDN. The total length must be at most 64 characters.</para>
a valid DNS FQDN. The hostname must be at most 64 characters, which is a Linux limitation (DNS allows
longer names).</para>
<para>See
<citerefentry><refentrytitle>org.freedesktop.hostname1</refentrytitle><manvolnum>5</manvolnum></citerefentry>