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man: document all kernel command line options we understand
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@ -460,6 +460,7 @@ MANPAGES = \
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man/systemd.exec.5 \
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man/systemd.special.7 \
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man/systemd.journal-fields.7 \
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man/kernel-command-line.7 \
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man/daemon.7 \
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man/runlevel.8 \
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man/telinit.8 \
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7
TODO
7
TODO
@ -25,6 +25,9 @@ Bugfixes:
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Features:
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* turn $NOTIFY_SOCKET back into an abstract namespace socket for
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compatibility with services which chroot()
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* exclude processes marked with argv[0][0]=@ from the normal service killing too
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* support rd.luks= kernel cmdline params in cryptsetup generator
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@ -33,8 +36,6 @@ Features:
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* support rd.driver= kernel cmdline params in modules load
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* supprto rd.xxx wherever else makes sense
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* systemctl: when stopping a service which has triggres and warning about it actually check the TriggeredBy= deps fields
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* journal: hook up with EFI firmware log, new kmsg logic
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@ -141,8 +142,6 @@ Features:
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* when a service has the same env var set twice we actually store it twice and return that in systemctl show -p... We should only show the last setting
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* add man page documenting all kernel cmdline options, including stuff like fsck.mode=
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* support container_ttys=
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* journald: make configurable "store-on-var", "store-on-run", "dont-store", "auto"
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@ -212,10 +212,10 @@
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to syslog is enabled. These settings
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may be overridden at boot time with the
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kernel command line options
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<literal>systemd_journald.forward_to_syslog=</literal>,
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<literal>systemd_journald.forward_to_kmsg=</literal>
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<literal>systemd.journald.forward_to_syslog=</literal>,
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<literal>systemd.journald.forward_to_kmsg=</literal>
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and
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<literal>systemd_journald.forward_to_console=</literal>. If
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<literal>systemd.journald.forward_to_console=</literal>. If
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forwarding to the kernel log buffer and
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<varname>ImportKernel=</varname> is
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enabled at the same time care is taken
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237
man/kernel-command-line.xml
Normal file
237
man/kernel-command-line.xml
Normal file
@ -0,0 +1,237 @@
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<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2012 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="kernel-command-line">
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<refentryinfo>
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<title>kernel-command-line</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Lennart</firstname>
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<surname>Poettering</surname>
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<email>lennart@poettering.net</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>kernel-command-line</refentrytitle>
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<manvolnum>7</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>kernel-command-line</refname>
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<refpurpose>Kernel Command Line Paramaters</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<para><filename>/proc/cmdline</filename></para>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>The kernel, the initial RAM disk (initrd) and
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basic userspace functionality may be configured at boot via
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kernel command line arguments.</para>
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<para>For command line parameters understood by the
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kernel please see <ulink
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url="https://www.kernel.org/doc/Documentation/kernel-parameters.txt"><filename>kernel-parameters.txt</filename></ulink>.</para>
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<para>For command line paramaters understood by the
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initial RAM disk, please see
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<citerefentry><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
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</refsect1>
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<refsect1>
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<title>Core OS Command Line Arguments</title>
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<variablelist>
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<varlistentry>
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<term><varname>systemd.unit=</varname></term>
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<term><varname>rd.systemd.unit=</varname></term>
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<term><varname>systemd.dump_core=</varname></term>
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<term><varname>systemd.crash_shell=</varname></term>
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<term><varname>systemd.crash_chvt=</varname></term>
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<term><varname>systemd.confirm_spawn=</varname></term>
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<term><varname>systemd.show_status=</varname></term>
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<term><varname>systemd.sysv_console=</varname></term>
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<term><varname>systemd.log_target=</varname></term>
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<term><varname>systemd.log_level=</varname></term>
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<term><varname>systemd.log_color=</varname></term>
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<term><varname>systemd.log_location=</varname></term>
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<term><varname>systemd.default_standard_output=</varname></term>
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<term><varname>systemd.default_standard_error=</varname></term>
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<term><varname>systemd.setenv=</varname></term>
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<listitem>
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<para>Parameters understood by
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the system and service manager
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to control system behaviour. For details see
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>quiet</varname></term>
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<listitem>
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<para>Parameters understood by
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both the kernel and the system
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and service manager to control
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console log verbosity. For
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details see
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>emergency</varname></term>
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<term><varname>single</varname></term>
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<term><varname>s</varname></term>
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<term><varname>S</varname></term>
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<term><varname>1</varname></term>
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<term><varname>2</varname></term>
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<term><varname>3</varname></term>
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<term><varname>4</varname></term>
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<term><varname>5</varname></term>
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<listitem>
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<para>Parameters understood by
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the system and service
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manager, as compatibility
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options. For details see
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>locale.LANG=</varname></term>
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<term><varname>locale.LANGUAGE=</varname></term>
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<term><varname>locale.LC_CTYPE=</varname></term>
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<term><varname>locale.LC_NUMERIC=</varname></term>
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<term><varname>locale.LC_TIME=</varname></term>
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<term><varname>locale.LC_COLLATE=</varname></term>
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<term><varname>locale.LC_MONETARY=</varname></term>
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<term><varname>locale.LC_MESSAGES=</varname></term>
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<term><varname>locale.LC_PAPER=</varname></term>
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<term><varname>locale.LC_NAME=</varname></term>
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<term><varname>locale.LC_ADDRESS=</varname></term>
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<term><varname>locale.LC_TELEPHONE=</varname></term>
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<term><varname>locale.LC_MEASUREMENT=</varname></term>
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<term><varname>locale.LC_IDENTIFICATION=</varname></term>
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<listitem>
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<para>Parameters understood by
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the system and service manager
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to control locale and language
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settings. For details see
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>fsck.mode=</varname></term>
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<listitem>
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<para>Parameters understood by
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the file system checker
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services. For details see
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<citerefentry><refentrytitle>fsck-root.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>quotacheck.mode=</varname></term>
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<listitem>
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<para>Parameters understood by
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the file quota checker
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service. For details see
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<citerefentry><refentrytitle>quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>systemd.journald.forward_to_syslog=</varname></term>
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<term><varname>systemd.journald.forward_to_kmsg=</varname></term>
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<term><varname>systemd.journald.forward_to_console=</varname></term>
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<listitem>
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<para>Parameters understood by
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the journal service. For
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details see
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<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>vconsole.keymap=</varname></term>
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<term><varname>vconsole.keymap.toggle=</varname></term>
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<term><varname>vconsole.font=</varname></term>
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<term><varname>vconsole.font.map=</varname></term>
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<term><varname>vconsole.font.unimap=</varname></term>
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<listitem>
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<para>Parameters understood by
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the virtual console setup logic. For
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details see
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<citerefentry><refentrytitle>systemd-vconsole-setup.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>udev.log-priority=</varname></term>
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<term><varname>udev.children-max=</varname></term>
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<term><varname>udev.udev.exec-delay=</varname></term>
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<term><varname>rd.udev.log-priority=</varname></term>
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<term><varname>rd.udev.children-max=</varname></term>
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<term><varname>rd.udev.udev.exec-delay=</varname></term>
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<listitem>
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<para>Parameters understood by
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the device event managing daemon. For
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details see
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<citerefentry><refentrytitle>systemd-udevd</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>fsck-root.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-vconsole-setup.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd-udevd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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@ -128,6 +128,34 @@
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Kernel Command Line</title>
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<para>A few configuration parameters from
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<filename>journald.conf</filename> may be overriden on
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the kernel command line:</para>
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<variablelist>
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<varlistentry>
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<term><varname>systemd.journald.forward_to_syslog=</varname></term>
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<term><varname>systemd.journald.forward_to_kmsg=</varname></term>
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<term><varname>systemd.journald.forward_to_console=</varname></term>
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<listitem><para>Enables/disables
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forwarding of collected log messages
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to syslog, the kernel log buffer or
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the system console.
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</para>
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<para>See
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<citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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for information about these settings.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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|
109
man/systemd.xml
109
man/systemd.xml
@ -971,6 +971,7 @@
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<variablelist>
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<varlistentry>
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<term><varname>systemd.unit=</varname></term>
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<term><varname>rd.systemd.unit=</varname></term>
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<listitem><para>Overrides the unit to
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activate on boot. Defaults to
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@ -980,8 +981,12 @@
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<filename>rescue.target</filename> or
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<filename>emergency.service</filename>. See
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<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>
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for details about these
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units.</para></listitem>
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for details about these units. The
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option prefixed with
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<literal>rd.</literal> is honoured
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only in the initial RAM disk (initrd),
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while the one that isn't prefixed only
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in the main system.</para></listitem>
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</varlistentry>
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<varlistentry>
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@ -1036,7 +1041,11 @@
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argument. If <option>true</option>
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shows terse service status updates on
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the console during bootup. Defaults to
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<option>true</option>.</para></listitem>
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<option>true</option>, unless
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<option>quiet</option> is passed as
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kernel command line option in which
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case it defaults to
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<option>false</option>.</para></listitem>
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</varlistentry>
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<varlistentry>
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@ -1093,7 +1102,98 @@
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disk.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>quiet</varname></term>
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<listitem><para>If passed turns off
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status output at boot, and disconnects
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SysV scripts from the console, much
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like
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<varname>systemd.show_status=false</varname>
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and
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<varname>systemd.sysv_console=false</varname>
|
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would. Note that this option is also
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read by the kernel itself and disables
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kernel log output to the
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kernel. Passing this option hence
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||||
turns off the usual output from both
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the system manager and the
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kernel.</para></listitem>
|
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</varlistentry>
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|
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<varlistentry>
|
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<term><varname>emergency</varname></term>
|
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<listitem><para>Boot into emergency
|
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mode. This is equivalent to
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<varname>systemd.unit=emergency.target</varname>
|
||||
and provided for compatibility
|
||||
reasons and to be easier to type.</para></listitem>
|
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</varlistentry>
|
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|
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<varlistentry>
|
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<term><varname>single</varname></term>
|
||||
<term><varname>s</varname></term>
|
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<term><varname>S</varname></term>
|
||||
<term><varname>1</varname></term>
|
||||
|
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<listitem><para>Boot into rescue
|
||||
mode. This is equivalent to
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<varname>systemd.unit=rescue.target</varname>
|
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and provided for compatibility reasons
|
||||
and to be easier to
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type.</para></listitem>
|
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</varlistentry>
|
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|
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<varlistentry>
|
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<term><varname>2</varname></term>
|
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<term><varname>3</varname></term>
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<term><varname>4</varname></term>
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<term><varname>5</varname></term>
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|
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<listitem><para>Boot into the
|
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specified legacy SysV runlevel. This
|
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is equivalent to
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<varname>systemd.unit=runlevel2.target</varname>,
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<varname>systemd.unit=runlevel3.target</varname>,
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<varname>systemd.unit=runlevel4.target</varname>,
|
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resp. <varname>systemd.unit=runlevel5.target</varname>
|
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and provided for compatibility reasons
|
||||
and to be easier to
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type.</para></listitem>
|
||||
</varlistentry>
|
||||
|
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<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>Set the system locale
|
||||
to use. This overrides the settings in
|
||||
<filename>/etc/locale.conf</filename>. For
|
||||
more information see
|
||||
<citerefentry><refentrytitle>locale.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||
and
|
||||
<citerefentry><refentrytitle>locale</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
|
||||
</para></listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
|
||||
<para>For other kernel command line parameters
|
||||
understood by components of the core OS, please refer
|
||||
to
|
||||
<citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
|
||||
</refsect1>
|
||||
|
||||
<refsect1>
|
||||
@ -1160,7 +1260,8 @@
|
||||
<citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
|
||||
<citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||
<citerefentry><refentrytitle>kernel-command-line</refentrytitle><manvolnum>7</manvolnum></citerefentry>
|
||||
</para>
|
||||
</refsect1>
|
||||
|
||||
|
@ -397,14 +397,15 @@ static int parse_proc_cmdline_word(const char *word) {
|
||||
"systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
|
||||
" Set default log output for services\n"
|
||||
"systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
|
||||
" Set default log error output for services\n");
|
||||
" Set default log error output for services\n"
|
||||
"systemd.setenv=ASSIGNMENT Set an environment variable for all spawned processes\n");
|
||||
|
||||
} else if (streq(word, "quiet")) {
|
||||
arg_show_status = false;
|
||||
#ifdef HAVE_SYSV_COMPAT
|
||||
arg_sysv_console = false;
|
||||
#endif
|
||||
} else {
|
||||
} else if (!in_initrd()) {
|
||||
unsigned i;
|
||||
|
||||
/* SysV compatibility */
|
||||
|
@ -2630,19 +2630,19 @@ static int server_parse_proc_cmdline(Server *s) {
|
||||
goto finish;
|
||||
}
|
||||
|
||||
if (startswith(word, "systemd_journald.forward_to_syslog=")) {
|
||||
if (startswith(word, "systemd.journald.forward_to_syslog=")) {
|
||||
r = parse_boolean(word + 35);
|
||||
if (r < 0)
|
||||
log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);
|
||||
else
|
||||
s->forward_to_syslog = r;
|
||||
} else if (startswith(word, "systemd_journald.forward_to_kmsg=")) {
|
||||
} else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {
|
||||
r = parse_boolean(word + 33);
|
||||
if (r < 0)
|
||||
log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);
|
||||
else
|
||||
s->forward_to_kmsg = r;
|
||||
} else if (startswith(word, "systemd_journald.forward_to_console=")) {
|
||||
} else if (startswith(word, "systemd.journald.forward_to_console=")) {
|
||||
r = parse_boolean(word + 36);
|
||||
if (r < 0)
|
||||
log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);
|
||||
|
Loading…
Reference in New Issue
Block a user