97 lines
4.2 KiB
XML
97 lines
4.2 KiB
XML
<?xml version="1.0"?>
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<!--*-nxml-*-->
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<!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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<!--
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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="systemd-getty-generator">
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<refentryinfo>
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<title>systemd-getty-generator</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>systemd-getty-generator</refentrytitle>
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<manvolnum>8</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-getty-generator</refname>
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<refpurpose>Generator for enabling getty instances on
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the console</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/usr/lib/systemd/system-generators/systemd-getty-generator</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-getty-generator</filename> is
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a generator that automatically instantiates
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<filename>serial-getty@.service</filename> on the
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kernel console <filename>/dev/console</filename> if
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that is not directed to the virtual console
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subsystem. It will also instantiate
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<filename>serial-getty@.service</filename> instances
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for virtualizer consoles, if execution in a
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virtualized environment is detected. This should
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ensure that the user is shown a login prompt at the
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right place, regardless in which environment the
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system is started. For example, it is sufficient to
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redirect the kernel console with a kernel command line
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argument such as <varname>console=</varname> to get
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both kernel messages and a getty prompt on a serial
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TTY. See <ulink
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url="https://www.kernel.org/doc/Documentation/kernel-parameters.txt"><filename>kernel-parameters.txt</filename></ulink>
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for more information on the
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<varname>console=</varname> kernel parameter.</para>
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<para><filename>systemd-getty-generator</filename>
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implements the <ulink
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url="http://www.freedesktop.org/wiki/Software/systemd/Generators">generator
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specification</ulink>.</para>
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<para>Further information about configuration of
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gettys you may find in <ulink
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url="http://0pointer.de/blog/projects/serial-console.html">systemd
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for Administrators, Part XVI: Gettys on Serial
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Consoles (and Elsewhere)</ulink>.</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>agetty</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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