<refnamediv>
<refname>kernel-command-line</refname>
- <refpurpose>Kernel Command Line Parameters</refpurpose>
+ <refpurpose>Kernel command line parameters</refpurpose>
</refnamediv>
<refsynopsisdiv>
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>.</para>
+ 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 paramaters understood by the
+ <para>For command line parameters understood by the
initial RAM disk, please see
- <citerefentry><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
-
+ <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>
+ <variablelist class='kernel-commandline-options'>
<varlistentry>
<term><varname>systemd.unit=</varname></term>
<term><varname>rd.systemd.unit=</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.sysv_console=</varname></term>
<term><varname>systemd.log_target=</varname></term>
<term><varname>systemd.log_level=</varname></term>
<term><varname>systemd.log_color=</varname></term>
<listitem>
<para>Parameters understood by
the system and service manager
- to control system behaviour. For details see
+ 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>
both the kernel and the system
and service manager to control
console log verbosity. For
- details see
+ 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>
<para>Parameters understood by
the system and service
manager, as compatibility
- options. For details see
+ options. For details, see
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<para>Parameters understood by
the system and service manager
to control locale and language
- settings. For details see
+ 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>Parameter understood by
+ <para>Parameters understood by
the file system checker
- services. For details see
- <citerefentry><refentrytitle>fsck-root.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ services. For details, see
+ <citerefentry><refentrytitle>systemd-fsck@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<listitem>
<para>Parameter understood by
the file quota checker
- service. For details see
- <citerefentry><refentrytitle>quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ service. For details, see
+ <citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
</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
+ details, see
<citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<listitem>
<para>Parameters understood by
the virtual console setup logic. For
- details see
+ details, see
<citerefentry><refentrytitle>systemd-vconsole-setup.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<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.udev.exec-delay=</varname></term>
- <term><varname>rd.udev.udev.exec-delay=</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</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ details, see
+ <citerefentry><refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<listitem>
<para>May be used to disable
the Plymouth boot splash. For
- details see
- <citerefentry><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ details, see
+ <citerefentry project='die-net'><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
</listitem>
</varlistentry>
<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>cryptsetup@.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.</para>
+ 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><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>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>dracut.cmdline</refentrytitle><manvolnum>7</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>fsck-root.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>quotacheck.service</refentrytitle><manvolnum>8</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</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>plymouth</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>cryptsetup@.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>