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hostname: add new hostnamectl tool as text client for hostnamed
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,4 @@ | ||
| /hostnamectl | ||
| /timedatectl | ||
| /test-date | ||
| /install-tree | ||
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| Original file line number | Diff line number | Diff line change |
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| <?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"> | ||
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| <!-- | ||
| This file is part of systemd. | ||
| Copyright 2012 Lennart Poettering | ||
| systemd is free software; you can redistribute it and/or modify it | ||
| under the terms of the GNU Lesser General Public License as published by | ||
| the Free Software Foundation; either version 2.1 of the License, or | ||
| (at your option) any later version. | ||
| systemd is distributed in the hope that it will be useful, but | ||
| WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public License | ||
| along with systemd; If not, see <http://www.gnu.org/licenses/>. | ||
| --> | ||
|
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| <refentry id="hostnamectl"> | ||
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| <refentryinfo> | ||
| <title>hostnamectl</title> | ||
| <productname>systemd</productname> | ||
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| <authorgroup> | ||
| <author> | ||
| <contrib>Developer</contrib> | ||
| <firstname>Lennart</firstname> | ||
| <surname>Poettering</surname> | ||
| <email>[email protected]</email> | ||
| </author> | ||
| </authorgroup> | ||
| </refentryinfo> | ||
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| <refmeta> | ||
| <refentrytitle>hostnamectl</refentrytitle> | ||
| <manvolnum>1</manvolnum> | ||
| </refmeta> | ||
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| <refnamediv> | ||
| <refname>hostnamectl</refname> | ||
| <refpurpose>Control the system hostname</refpurpose> | ||
| </refnamediv> | ||
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| <refsynopsisdiv> | ||
| <cmdsynopsis> | ||
| <command>hostnamectl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg></command> | ||
| </cmdsynopsis> | ||
| </refsynopsisdiv> | ||
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| <refsect1> | ||
| <title>Description</title> | ||
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| <para><command>hostnamectl</command> may be used to | ||
| query and change the system hostname and related | ||
| settings.</para> | ||
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| <para>This tool distuingishes three different host | ||
| names: the high-level "pretty" hostname which might | ||
| include all 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 might be assigned temporarily due to network | ||
| configuration and might revert back to the static | ||
| hostname if network connectivity is lost and is only | ||
| temporarily written to the kernel hostname | ||
| (e.g. "dhcp-47-11").</para> | ||
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| <para>Note that the pretty hostname has little | ||
| restrictions on the characters used, while the static | ||
| and transient hostnames are limited to the usually | ||
| accepted characters of internet domain names.</para> | ||
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| <para>The static host name is stored in | ||
| <filename>/etc/hostname</filename>, see | ||
| <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry> | ||
| for more information. The pretty host name and icon | ||
| name are stored in | ||
| <filename>/etc/machine-info</filename>, see | ||
| <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> | ||
| </refsect1> | ||
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| <refsect1> | ||
| <title>Options</title> | ||
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| <para>The following options are understood:</para> | ||
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| <variablelist> | ||
| <varlistentry> | ||
| <term><option>--help</option></term> | ||
| <term><option>-h</option></term> | ||
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| <listitem><para>Prints a short help | ||
| text and exits.</para></listitem> | ||
| </varlistentry> | ||
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| <varlistentry> | ||
| <term><option>--version</option></term> | ||
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| <listitem><para>Prints a short version | ||
| string and exits.</para></listitem> | ||
| </varlistentry> | ||
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| <varlistentry> | ||
| <term><option>--no-ask-password</option></term> | ||
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| <listitem><para>Don't query the user | ||
| for authentication for privileged | ||
| operations.</para></listitem> | ||
| </varlistentry> | ||
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| <varlistentry> | ||
| <term><option>-H</option></term> | ||
| <term><option>--host</option></term> | ||
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| <listitem><para>Execute operation | ||
| remotely. Specify a hostname, or | ||
| username and hostname separated by @, | ||
| to connect to. This will use SSH to | ||
| talk to a remote | ||
| system.</para></listitem> | ||
| </varlistentry> | ||
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| <varlistentry> | ||
| <term><option>--static</option></term> | ||
| <term><option>--transient</option></term> | ||
| <term><option>--pretty</option></term> | ||
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| <listitem><para>If | ||
| <command>set-hostname</command> is | ||
| invoked and one or more of these | ||
| options are passed only the selected | ||
| hostnames is | ||
| updated.</para></listitem> | ||
| </varlistentry> | ||
| </variablelist> | ||
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| <para>The following commands are understood:</para> | ||
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| <variablelist> | ||
| <varlistentry> | ||
| <term><command>status</command></term> | ||
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| <listitem><para>Show current system | ||
| hostname and related | ||
| information.</para></listitem> | ||
| </varlistentry> | ||
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| <varlistentry> | ||
| <term><command>set-hostname [NAME]</command></term> | ||
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| <listitem><para>Set the system | ||
| hostname. 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 host | ||
| name will be simplified in regards to | ||
| the character set used before the | ||
| latter are updated. This is done by | ||
| replacing spaces by "-" and removing | ||
| special characters. 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. Pass the empty | ||
| string "" as hostname to reset the | ||
| selected hostnames to their default | ||
| (usually | ||
| "localhost").</para></listitem> | ||
| </varlistentry> | ||
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| <varlistentry> | ||
| <term><command>set-icon-name [NAME]</command></term> | ||
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| <listitem><para>Set the system icon | ||
| name. 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>. Pass an | ||
| empty string to this operatoin to | ||
| reset the icon name to the default | ||
| value which is determined from the | ||
| system form factor and possibly other | ||
| parameters.</para></listitem> | ||
| </varlistentry> | ||
|
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| </variablelist> | ||
| </refsect1> | ||
|
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| <refsect1> | ||
| <title>Exit status</title> | ||
|
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| <para>On success 0 is returned, a non-zero failure | ||
| code otherwise.</para> | ||
| </refsect1> | ||
|
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| <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> | ||
| </para> | ||
| </refsect1> | ||
|
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| </refentry> |
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