mirror of
https://github.com/systemd/systemd.git
synced 2024-11-01 17:51:22 +03:00
72ccee50d0
They were outdated, and this way it's less likely that they'll get out of sync again. Anyway, it's easier for the reader to have the kernel and config file options next to one another.
384 lines
17 KiB
XML
384 lines
17 KiB
XML
<?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">
|
|
|
|
<!--
|
|
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/>.
|
|
-->
|
|
|
|
<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>
|
|
<refentrytitle>kernel-command-line</refentrytitle>
|
|
<manvolnum>7</manvolnum>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>kernel-command-line</refname>
|
|
<refpurpose>Kernel command line parameters</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<para><filename>/proc/cmdline</filename></para>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para>The kernel, the initial RAM disk (initrd) and
|
|
basic userspace functionality may be configured at boot via
|
|
kernel command line arguments.</para>
|
|
|
|
<para>For command line parameters understood by the kernel, please
|
|
see <ulink
|
|
url="https://www.kernel.org/doc/Documentation/kernel-parameters.txt"><filename>kernel-parameters.txt</filename></ulink>
|
|
and
|
|
<citerefentry project='man-pages'><refentrytitle>bootparam</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
|
|
|
|
<para>For command line parameters understood by the initial RAM
|
|
disk, please see
|
|
<citerefentry project='man-pages'><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
|
|
or the documentation of the specific initrd implementation of your
|
|
installation.</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Core OS Command Line Arguments</title>
|
|
|
|
<variablelist class='kernel-commandline-options'>
|
|
<varlistentry>
|
|
<term><varname>systemd.unit=</varname></term>
|
|
<term><varname>rd.systemd.unit=</varname></term>
|
|
<term><varname>systemd.dump_core=</varname></term>
|
|
<term><varname>systemd.crash_chvt=</varname></term>
|
|
<term><varname>systemd.crash_shell=</varname></term>
|
|
<term><varname>systemd.crash_reboot=</varname></term>
|
|
<term><varname>systemd.confirm_spawn=</varname></term>
|
|
<term><varname>systemd.show_status=</varname></term>
|
|
<term><varname>systemd.log_target=</varname></term>
|
|
<term><varname>systemd.log_level=</varname></term>
|
|
<term><varname>systemd.log_color=</varname></term>
|
|
<term><varname>systemd.log_location=</varname></term>
|
|
<term><varname>systemd.default_standard_output=</varname></term>
|
|
<term><varname>systemd.default_standard_error=</varname></term>
|
|
<term><varname>systemd.setenv=</varname></term>
|
|
<term><varname>systemd.machine_id=</varname></term>
|
|
<listitem>
|
|
<para>Parameters understood by the system and service
|
|
manager to control system behavior. For details, see
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>systemd.mask=</varname></term>
|
|
<term><varname>systemd.wants=</varname></term>
|
|
<term><varname>systemd.debug-shell</varname></term>
|
|
<listitem>
|
|
<para>Additional parameters understood by
|
|
<citerefentry><refentrytitle>systemd-debug-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
to mask or start specific units at boot, or invoke a debug
|
|
shell on tty9.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>systemd.restore_state=</varname></term>
|
|
<listitem>
|
|
<para>This parameter is understood by several system tools
|
|
to control whether or not they should restore system state
|
|
from the previous boot. For details, see
|
|
<citerefentry><refentrytitle>systemd-backlight@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
|
|
and
|
|
<citerefentry><refentrytitle>systemd-rfkill.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
|
|
</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>quiet</varname></term>
|
|
<listitem>
|
|
<para>Parameter understood by both the kernel and the system
|
|
and service manager to control console log verbosity. For
|
|
details, see
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>debug</varname></term>
|
|
<listitem>
|
|
<para>Parameter understood by both the kernel and the system
|
|
and service manager to control console log verbosity. For
|
|
details, see
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>-b</varname></term>
|
|
<term><varname>rd.emergency</varname></term>
|
|
<term><varname>emergency</varname></term>
|
|
<term><varname>rd.rescue</varname></term>
|
|
<term><varname>rescue</varname></term>
|
|
<term><varname>single</varname></term>
|
|
<term><varname>s</varname></term>
|
|
<term><varname>S</varname></term>
|
|
<term><varname>1</varname></term>
|
|
<term><varname>2</varname></term>
|
|
<term><varname>3</varname></term>
|
|
<term><varname>4</varname></term>
|
|
<term><varname>5</varname></term>
|
|
<listitem>
|
|
<para>Parameters understood by the system and service
|
|
manager, as compatibility and convenience options. For details, see
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>locale.LANG=</varname></term>
|
|
<term><varname>locale.LANGUAGE=</varname></term>
|
|
<term><varname>locale.LC_CTYPE=</varname></term>
|
|
<term><varname>locale.LC_NUMERIC=</varname></term>
|
|
<term><varname>locale.LC_TIME=</varname></term>
|
|
<term><varname>locale.LC_COLLATE=</varname></term>
|
|
<term><varname>locale.LC_MONETARY=</varname></term>
|
|
<term><varname>locale.LC_MESSAGES=</varname></term>
|
|
<term><varname>locale.LC_PAPER=</varname></term>
|
|
<term><varname>locale.LC_NAME=</varname></term>
|
|
<term><varname>locale.LC_ADDRESS=</varname></term>
|
|
<term><varname>locale.LC_TELEPHONE=</varname></term>
|
|
<term><varname>locale.LC_MEASUREMENT=</varname></term>
|
|
<term><varname>locale.LC_IDENTIFICATION=</varname></term>
|
|
<listitem>
|
|
<para>Parameters understood by the system and service
|
|
manager to control locale and language settings. For
|
|
details, see
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>fsck.mode=</varname></term>
|
|
<term><varname>fsck.repair=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Parameters understood by the file system checker
|
|
services. For details, see
|
|
<citerefentry><refentrytitle>systemd-fsck@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>quotacheck.mode=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Parameter understood by the file quota checker
|
|
service. For details, see
|
|
<citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>systemd.journald.forward_to_syslog=</varname></term>
|
|
<term><varname>systemd.journald.forward_to_kmsg=</varname></term>
|
|
<term><varname>systemd.journald.forward_to_console=</varname></term>
|
|
<term><varname>systemd.journald.forward_to_wall=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Parameters understood by the journal service. For
|
|
details, see
|
|
<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>vconsole.keymap=</varname></term>
|
|
<term><varname>vconsole.keymap_toggle=</varname></term>
|
|
<term><varname>vconsole.font=</varname></term>
|
|
<term><varname>vconsole.font_map=</varname></term>
|
|
<term><varname>vconsole.font_unimap=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Parameters understood by the virtual console setup logic. For details, see
|
|
<citerefentry><refentrytitle>vconsole.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>udev.log-priority=</varname></term>
|
|
<term><varname>rd.udev.log-priority=</varname></term>
|
|
<term><varname>udev.children-max=</varname></term>
|
|
<term><varname>rd.udev.children-max=</varname></term>
|
|
<term><varname>udev.exec-delay=</varname></term>
|
|
<term><varname>rd.udev.exec-delay=</varname></term>
|
|
<term><varname>udev.event-timeout=</varname></term>
|
|
<term><varname>rd.udev.event-timeout=</varname></term>
|
|
<term><varname>net.ifnames=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Parameters understood by the device event managing
|
|
daemon. For details, see
|
|
<citerefentry><refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>plymouth.enable=</varname></term>
|
|
|
|
<listitem>
|
|
<para>May be used to disable the Plymouth boot splash. For
|
|
details, see
|
|
<citerefentry project='die-net'><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>luks=</varname></term>
|
|
<term><varname>rd.luks=</varname></term>
|
|
<term><varname>luks.crypttab=</varname></term>
|
|
<term><varname>rd.luks.crypttab=</varname></term>
|
|
<term><varname>luks.name=</varname></term>
|
|
<term><varname>rd.luks.name=</varname></term>
|
|
<term><varname>luks.uuid=</varname></term>
|
|
<term><varname>rd.luks.uuid=</varname></term>
|
|
<term><varname>luks.options=</varname></term>
|
|
<term><varname>rd.luks.options=</varname></term>
|
|
<term><varname>luks.key=</varname></term>
|
|
<term><varname>rd.luks.key=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Configures the LUKS full-disk encryption logic at
|
|
boot. For details, see
|
|
<citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>fstab=</varname></term>
|
|
<term><varname>rd.fstab=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Configures the <filename>/etc/fstab</filename> logic
|
|
at boot. For details, see
|
|
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>root=</varname></term>
|
|
<term><varname>rootfstype=</varname></term>
|
|
<term><varname>rootflags=</varname></term>
|
|
<term><varname>ro</varname></term>
|
|
<term><varname>rw</varname></term>
|
|
|
|
<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,
|
|
see
|
|
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>systemd.gpt_auto=</varname></term>
|
|
<term><varname>rd.systemd.gpt_auto=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Configures whether GPT based partition auto-discovery
|
|
shall be attempted. For details, see
|
|
<citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>systemd.default_timeout_start_sec=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Overwrites the default start job timeout <varname>DefaultTimeoutStartSec=</varname> at boot. For details,
|
|
see <citerefentry><refentrytitle>systemd-system.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>modules-load=</varname></term>
|
|
<term><varname>rd.modules-load=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Load a specific kernel module early at boot. For
|
|
details, see
|
|
<citerefentry><refentrytitle>systemd-modules-load.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry>
|
|
<term><varname>resume=</varname></term>
|
|
|
|
<listitem>
|
|
<para>Enables resume from hibernation using the specified
|
|
device. 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>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</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>,
|
|
<citerefentry><refentrytitle>systemd-fsck@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-vconsole-setup.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry project='die-net'><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-gpt-auto-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-modules-load.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-backlight@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-rfkill.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
|
<citerefentry><refentrytitle>systemd-hibernate-resume-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
|
|
</para>
|
|
</refsect1>
|
|
|
|
</refentry>
|