<?xml version='1.0'?> <!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<!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+
-
- 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/>.
--->
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="kernel-command-line">
<refentryinfo>
<title>kernel-command-line</title>
<productname>systemd</productname>
-
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Lennart</firstname>
- <surname>Poettering</surname>
- <email>lennart@poettering.net</email>
- </author>
- </authorgroup>
</refentryinfo>
<refmeta>
<term><varname>systemd.unit=</varname></term>
<term><varname>rd.systemd.unit=</varname></term>
<term><varname>systemd.dump_core</varname></term>
+ <term><varname>systemd.early_core_pattern=</varname></term>
<term><varname>systemd.crash_chvt</varname></term>
<term><varname>systemd.crash_shell</varname></term>
<term><varname>systemd.crash_reboot</varname></term>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>systemd.run=</varname></term>
+ <term><varname>systemd.run_success_action=</varname></term>
+ <term><varname>systemd.run_failure_action=</varname></term>
+ <listitem>
+ <para>Additional parameters understood by
+ <citerefentry><refentrytitle>systemd-run-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>, to
+ run a command line specified on the kernel command line as system service after booting up.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>systemd.early_core_pattern=</varname></term>
+ <listitem>
+ <para>During early boot, the generation of core dump files is disabled until a core dump handler (if any)
+ takes over. This parameter allows to specifies an absolute path where core dump files should be stored until
+ a handler is installed. The path should be absolute and may contain specifiers, see
+ <citerefentry><refentrytitle>core</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>systemd.restore_state=</varname></term>
<listitem>
enables fully state-less boots were the vendor-supplied OS is used as shipped, with only default
configuration and no stored state in effect, as <filename>/etc</filename> and <filename>/var</filename> (as
well as all other resources shipped in the root file system) are reset at boot and lost on shutdown. If this
- setting is set to <literal>state</literal> the root file system is mounted as usual, however
+ setting is set to <literal>state</literal> the root file system is mounted read-only, however
<filename>/var</filename> is mounted as a volatile memory file system (<literal>tmpfs</literal>), so that the
- system boots up with the normal configuration applied, but all state reset at boot and lost at shutdown. For details,
- see
+ system boots up with the normal configuration applied, but all state reset at boot and lost at shutdown. If
+ this setting is set to <literal>overlay</literal> the root file system is set up as
+ <literal>overlayfs</literal> mount combining the read-only root directory with a writable
+ <literal>tmpfs</literal>, so that no modifications are made to disk, but the file system may be modified
+ nonetheless with all changes being lost at reboot. For details, see
<citerefentry><refentrytitle>systemd-volatile-root.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
and
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
<term><varname>udev.event_timeout=</varname></term>
<term><varname>rd.udev.event_timeout=</varname></term>
<term><varname>net.ifnames=</varname></term>
+ <term><varname>net.naming-scheme=</varname></term>
<listitem>
<para>Parameters understood by the device event managing
<listitem>
<para>Configures the root file system and its file system
type and mount options, as well as whether it shall be
- mounted read-only or read-writable initially. For details,
+ mounted read-only or read-write initially. For details,
see
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
<varlistentry>
<term><varname>resume=</varname></term>
+ <term><varname>resumeflags=</varname></term>
<listitem>
<para>Enables resume from hibernation using the specified
- device. All
+ device and mount options. All
<citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>-like
paths are supported. For details, see
<citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>bootparam</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry project='man-pages'><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-debug-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
projects / thirdparty / systemd.git / blobdiff