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diff --git a/man/hostnamectl.xml b/man/hostnamectl.xml new file mode 100644 index 0000000..013f126 --- /dev/null +++ b/man/hostnamectl.xml @@ -0,0 +1,227 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + SPDX-License-Identifier: LGPL-2.1+ +--> + +<refentry id="hostnamectl" conditional='ENABLE_HOSTNAMED' + xmlns:xi="http://www.w3.org/2001/XInclude"> + + <refentryinfo> + <title>hostnamectl</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>hostnamectl</refentrytitle> + <manvolnum>1</manvolnum> + </refmeta> + + <refnamediv> + <refname>hostnamectl</refname> + <refpurpose>Control the system hostname</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>hostnamectl</command> + <arg choice="opt" rep="repeat">OPTIONS</arg> + <arg choice="req">COMMAND</arg> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>hostnamectl</command> may be used to query and + change the system hostname and related settings.</para> + + <para>This tool distinguishes three different hostnames: the + high-level "pretty" hostname which might include all kinds of + special characters (e.g. "Lennart's Laptop"), the static hostname + which is used to initialize the kernel hostname at boot (e.g. + "lennarts-laptop"), and the transient hostname which is a fallback + value received from network configuration. If a static hostname is + set, and is valid (something other than localhost), then the + transient hostname is not used.</para> + + <para>Note that the pretty hostname has little restrictions on the characters and length used, while the static and + transient hostnames are limited to the usually accepted characters of Internet domain names, and 64 characters at + maximum (the latter being a Linux limitation).</para> + + <para>The static hostname is stored in + <filename>/etc/hostname</filename>, see + <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry> + for more information. The pretty hostname, chassis type, and icon + name are stored in <filename>/etc/machine-info</filename>, see + <citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> + + <para>Use + <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry> + to initialize the system host name for mounted (but not booted) + system images.</para> + </refsect1> + + <refsect1> + <title>Options</title> + + <para>The following options are understood:</para> + + <variablelist> + <varlistentry> + <term><option>--no-ask-password</option></term> + + <listitem><para>Do not query the user for authentication for + privileged operations.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--static</option></term> + <term><option>--transient</option></term> + <term><option>--pretty</option></term> + + <listitem><para>If <command>status</command> is invoked (or no explicit command is given) and one of these + switches is specified, <command>hostnamectl</command> will print out just this selected hostname.</para> + + <para>If used with <command>set-hostname</command>, only the selected hostname(s) will be updated. When more + than one of these switches are specified, all the specified hostnames will be updated. </para></listitem> + </varlistentry> + + <xi:include href="user-system-options.xml" xpointer="host" /> + <xi:include href="user-system-options.xml" xpointer="machine" /> + + <xi:include href="standard-options.xml" xpointer="help" /> + <xi:include href="standard-options.xml" xpointer="version" /> + </variablelist> + </refsect1> + + <refsect1> + <title>Commands</title> + + <para>The following commands are understood:</para> + + <variablelist> + <varlistentry> + <term><command>status</command></term> + + <listitem><para>Show current system hostname and related information. If no command is specified, + this is the implied default.</para></listitem> + </varlistentry> + + <varlistentry> + <term><command>set-hostname <replaceable>NAME</replaceable></command></term> + + <listitem><para>Set the system hostname to <replaceable>NAME</replaceable>. By default, this will alter the + pretty, the static, and the transient hostname alike; however, if one or more of <option>--static</option>, + <option>--transient</option>, <option>--pretty</option> are used, only the selected hostnames are changed. If + the pretty hostname is being set, and static or transient are being set as well, the specified hostname will be + simplified in regards to the character set used before the latter are updated. This is done by removing special + characters and spaces. This ensures that the pretty and the static hostname are always closely related while + 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 host names are set, and the pretty host name 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> + </varlistentry> + + <varlistentry> + <term><command>set-icon-name <replaceable>NAME</replaceable></command></term> + + <listitem><para>Set the system icon name to + <replaceable>NAME</replaceable>. The icon name is used by some + graphical applications to visualize this host. The icon name + should follow the <ulink + url="http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html">Icon + Naming Specification</ulink>.</para> + + <para>Pass an empty string to reset the icon name to the + default value, which is determined from chassis type (see + below) and possibly other parameters.</para></listitem> + </varlistentry> + + <varlistentry> + <term><command>set-chassis <replaceable>TYPE</replaceable></command></term> + + <listitem><para>Set the chassis type to + <replaceable>TYPE</replaceable>. The chassis type is used by + some graphical applications to visualize the host or alter + user interaction. Currently, the following chassis types are + defined: + <literal>desktop</literal>, + <literal>laptop</literal>, + <literal>convertible</literal>, + <literal>server</literal>, + <literal>tablet</literal>, + <literal>handset</literal>, + <literal>watch</literal>, + <literal>embedded</literal>, + as well as the special chassis types + <literal>vm</literal> and + <literal>container</literal> for virtualized systems that lack + an immediate physical chassis.</para> + + <para>Pass an empty string to reset the chassis type to the + default value which is determined from the firmware and + possibly other parameters.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term><command>set-deployment <replaceable>ENVIRONMENT</replaceable></command></term> + + <listitem><para>Set the deployment environment description. + <replaceable>ENVIRONMENT</replaceable> must be a single word + without any control characters. One of the following is + suggested: + <literal>development</literal>, + <literal>integration</literal>, + <literal>staging</literal>, + <literal>production</literal>. + </para> + + <para>Pass an empty string to reset to the default empty + value.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term><command>set-location <replaceable>LOCATION</replaceable></command></term> + + <listitem><para>Set the location string for the system, if it + is known. <replaceable>LOCATION</replaceable> should be a + human-friendly, free-form string describing the physical + location of the system, if it is known and applicable. This + may be as generic as <literal>Berlin, Germany</literal> or as + specific as <literal>Left Rack, 2nd Shelf</literal>.</para> + + <para>Pass an empty string to reset to the default empty + value.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Exit status</title> + + <para>On success, 0 is returned, a non-zero failure code + otherwise.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-hostnamed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |