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systemd/man/systemd-getty-generator.xml
Zbigniew Jędrzejewski-Szmek 3a54a15760 man: use same header for all files
The "include" files had type "book" for some raeason. I don't think this
is meaningful. Let's just use the same everywhere.

$ perl -i -0pe 's^..DOCTYPE (book|refentry) PUBLIC "-//OASIS//DTD DocBook XML V4.[25]//EN"\s+"http^<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"\n  "http^gms' man/*.xml
2019-03-14 14:42:05 +01:00

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XML

<?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+ -->
<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://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/"><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>