mirror of
https://github.com/systemd/systemd-stable.git
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12b42c7667
This did not really work out as we had hoped. Trying to do this upstream introduced several problems that probably makes it better suited as a downstream patch after all. At any rate, it is not releaseable in the current state, so we at least need to revert this before the release. * by adjusting the path to binaries, but not do the same thing to the search path we end up with inconsistent man-pages. Adjusting the search path too would be quite messy, and it is not at all obvious that this is worth the effort, but at any rate it would have to be done before we could ship this. * this means that distributed man-pages does not make sense as they depend on config options, and for better or worse we are still distributing man pages, so that is something that definitely needs sorting out before we could ship with this patch. * we have long held that split-usr is only minimally supported in order to boot, and something we hope will eventually go away. So before we start adding even more magic/effort in order to make this work nicely, we should probably question if it makes sense at all.
261 lines
10 KiB
XML
261 lines
10 KiB
XML
<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2012 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="hostnamectl" conditional='ENABLE_HOSTNAMED'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>hostnamectl</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>hostnamectl</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>hostnamectl</refname>
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<refpurpose>Control the system hostname</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>hostnamectl</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="req">COMMAND</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>hostnamectl</command> may be used to query and
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change the system hostname and related settings.</para>
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<para>This tool distinguishes three different hostnames: the
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high-level "pretty" hostname which might include all kinds of
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special characters (e.g. "Lennart's Laptop"), the static hostname
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which is used to initialize the kernel hostname at boot (e.g.
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"lennarts-laptop"), and the transient hostname which is a default
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received from network configuration. If a static hostname is set,
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and is valid (something other than localhost), then the transient
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hostname is not used.</para>
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<para>Note that the pretty hostname has little restrictions on the
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characters used, while the static and transient hostnames are
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limited to the usually accepted characters of Internet domain
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names.</para>
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<para>The static hostname is stored in
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<filename>/etc/hostname</filename>, see
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<citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for more information. The pretty hostname, chassis type, and icon
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name are stored in <filename>/etc/machine-info</filename>, see
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<citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
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<para>Use
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<citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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to initialize the system host name for mounted (but not booted)
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system images.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>--no-ask-password</option></term>
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<listitem><para>Do not query the user for authentication for
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privileged operations.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--static</option></term>
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<term><option>--transient</option></term>
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<term><option>--pretty</option></term>
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<listitem><para>If <command>status</command> is used (or no
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explicit command is given) and one of those fields is given,
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<command>hostnamectl</command> will print out just this
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selected hostname.</para>
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<para>If used with <command>set-hostname</command>, only the
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selected hostname(s) will be updated. When more than one of
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those options is used, all the specified hostnames will be
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updated. </para></listitem>
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</varlistentry>
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<xi:include href="user-system-options.xml" xpointer="host" />
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<xi:include href="user-system-options.xml" xpointer="machine" />
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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<para>The following commands are understood:</para>
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<variablelist>
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<varlistentry>
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<term><command>status</command></term>
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<listitem><para>Show current system
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hostname and related
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information.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>set-hostname <replaceable>NAME</replaceable></command></term>
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<listitem><para>Set the system hostname to
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<replaceable>NAME</replaceable>. By default, this will alter
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the pretty, the static, and the transient hostname alike;
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however, if one or more of <option>--static</option>,
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<option>--transient</option>, <option>--pretty</option> are
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used, only the selected hostnames are changed. If the pretty
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hostname is being set, and static or transient are being set
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as well, the specified hostname will be simplified in regards
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to the character set used before the latter are updated. This
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is done by replacing spaces with <literal>-</literal> and
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removing special characters. This ensures that the pretty and
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the static hostname are always closely related while still
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following the validity rules of the specific name. This
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simplification of the hostname string is not done if only the
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transient and/or static host names are set, and the pretty
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host name is left untouched.</para>
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<para>Pass the empty string <literal></literal> as the
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hostname to reset the selected hostnames to their default
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(usually <literal>localhost</literal>).</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>set-icon-name <replaceable>NAME</replaceable></command></term>
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<listitem><para>Set the system icon name to
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<replaceable>NAME</replaceable>. The icon name is used by some
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graphical applications to visualize this host. The icon name
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should follow the <ulink
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url="http://standards.freedesktop.org/icon-naming-spec/icon-naming-spec-latest.html">Icon
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Naming Specification</ulink>.</para>
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<para>Pass an empty string to reset the icon name to the
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default value, which is determined from chassis type (see
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below) and possibly other parameters.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><command>set-chassis <replaceable>TYPE</replaceable></command></term>
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<listitem><para>Set the chassis type to
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<replaceable>TYPE</replaceable>. The chassis type is used by
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some graphical applications to visualize the host or alter
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user interaction. Currently, the following chassis types are
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defined:
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<literal>desktop</literal>,
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<literal>laptop</literal>,
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<literal>server</literal>,
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<literal>tablet</literal>,
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<literal>handset</literal>,
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<literal>watch</literal>,
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<literal>embedded</literal>,
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as well as the special chassis types
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<literal>vm</literal> and
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<literal>container</literal> for virtualized systems that lack
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an immediate physical chassis.</para>
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<para>Pass an empty string to reset the chassis type to the
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default value which is determined from the firmware and
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possibly other parameters.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>set-deployment <replaceable>ENVIRONMENT</replaceable></command></term>
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<listitem><para>Set the deployment environment description.
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<replaceable>ENVIRONMENT</replaceable> must be a single word
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without any control characters. One of the following is
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suggested:
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<literal>development</literal>,
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<literal>integration</literal>,
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<literal>staging</literal>,
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<literal>production</literal>.
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</para>
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<para>Pass an empty string to reset to the default empty
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value.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><command>set-location <replaceable>LOCATION</replaceable></command></term>
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<listitem><para>Set the location string for the system, if it
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is known. <replaceable>LOCATION</replaceable> should be a
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human-friendly, free-form string describing the physical
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location of the system, if it is known and applicable. This
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may be as generic as <literal>Berlin, Germany</literal> or as
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specific as <literal>Left Rack, 2nd Shelf</literal>.</para>
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<para>Pass an empty string to reset to the default empty
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value.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned, a non-zero failure code
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otherwise.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-hostnamed.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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