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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:00:47 +0000
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treeda68ca54bb79f4080079bf0828acda937593a4e1 /man/systemd-getty-generator.xml
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Adding upstream version 247.3.upstream/247.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?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">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+<refentry id="systemd-getty-generator">
+
+ <refentryinfo>
+ <title>systemd-getty-generator</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd-getty-generator</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd-getty-generator</refname>
+ <refpurpose>Generator for enabling getty instances on the
+ console</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename>/usr/lib/systemd/system-generators/systemd-getty-generator</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><filename>systemd-getty-generator</filename> is a generator that automatically instantiates
+ <filename>serial-getty@.service</filename> on the kernel console(s), if they can function as ttys and are
+ not provided by the virtual console subsystem. It will also instantiate
+ <filename>serial-getty@.service</filename> instances for virtualizer consoles, if execution in a
+ virtualized environment is detected. If execution in a container environment is detected, it will instead
+ enable <filename>console-getty.service</filename> for <filename>/dev/console</filename>, and
+ <filename>container-getty@.service</filename> instances for additional container pseudo TTYs as requested
+ by the container manager (see <ulink url="https://systemd.io/CONTAINER_INTERFACE"><filename>Container
+ Interface</filename></ulink>). This should ensure that the user is shown a login prompt at the right
+ place, regardless of which environment the system is started in. For example, it is sufficient to
+ redirect the kernel console with a kernel command line argument such as <varname>console=</varname> to
+ get both kernel messages and a getty prompt on a serial TTY. See <ulink
+ url="https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt"><filename>kernel-parameters.txt</filename></ulink>
+ for more information on the <varname>console=</varname> kernel parameter.</para>
+
+ <para><filename>systemd-getty-generator</filename> implements
+ <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
+
+ <para>Further information about configuration of gettys can be
+ found in
+ <ulink url="http://0pointer.de/blog/projects/serial-console.html">systemd
+ for Administrators, Part XVI: Gettys on Serial Consoles (and
+ Elsewhere)</ulink>.</para>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>agetty</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>