+++ /dev/null
-<?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='die-net'><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_shell=</varname></term>
- <term><varname>systemd.crash_chvt=</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>
- <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>emergency</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 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>systemd-vconsole-setup.service</refentrytitle><manvolnum>8</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>rootfsflags=</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>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='die-net'><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>
~ianmdlvl / elogind.git / blobdiff