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183 lines
7.2 KiB
Groff
183 lines
7.2 KiB
Groff
'\" t
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.TH "KERNEL\-COMMAND\-LINE" "7" "" "systemd 219" "kernel-command-line"
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.\" -----------------------------------------------------------------
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.\" * Define some portability stuff
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.\" -----------------------------------------------------------------
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.ie \n(.g .ds Aq \(aq
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.el .ds Aq '
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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kernel-command-line \- Kernel command line parameters
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.SH "SYNOPSIS"
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.PP
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/proc/cmdline
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.SH "DESCRIPTION"
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.PP
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The kernel, the initial RAM disk (initrd) and basic userspace functionality may be configured at boot via kernel command line arguments\&.
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.PP
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For command line parameters understood by the kernel, please see
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\m[blue]\fBkernel\-parameters\&.txt\fR\m[]\&\s-2\u[1]\d\s+2
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and
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\fBbootparam\fR(7)\&.
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.PP
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For command line parameters understood by the initial RAM disk, please see
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\fBdracut.cmdline\fR(7), or the documentation of the specific initrd implementation of your installation\&.
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.SH "CORE OS COMMAND LINE ARGUMENTS"
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.PP
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\fIsystemd\&.unit=\fR, \fIrd\&.systemd\&.unit=\fR, \fIsystemd\&.dump_core=\fR, \fIsystemd\&.crash_shell=\fR, \fIsystemd\&.crash_chvt=\fR, \fIsystemd\&.confirm_spawn=\fR, \fIsystemd\&.show_status=\fR, \fIsystemd\&.log_target=\fR, \fIsystemd\&.log_level=\fR, \fIsystemd\&.log_color=\fR, \fIsystemd\&.log_location=\fR, \fIsystemd\&.default_standard_output=\fR, \fIsystemd\&.default_standard_error=\fR, \fIsystemd\&.setenv=\fR
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.RS 4
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Parameters understood by the system and service manager to control system behavior\&. For details, see
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\fBsystemd\fR(1)\&.
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.RE
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.PP
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\fIsystemd\&.mask=\fR, \fIsystemd\&.wants=\fR, \fIsystemd\&.debug\-shell\fR
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.RS 4
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Additional parameters understood by
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\fBsystemd-debug-generator\fR(8), to mask or start specific units at boot, or invoke a debug shell on tty9\&.
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.RE
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.PP
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\fIsystemd\&.restore_state=\fR
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.RS 4
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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
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\fBsystemd-backlight@.service\fR(8)
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and
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\fBsystemd-rfkill@.service\fR(8)\&.
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.RE
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.PP
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\fIquiet\fR
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.RS 4
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Parameter understood by both the kernel and the system and service manager to control console log verbosity\&. For details, see
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\fBsystemd\fR(1)\&.
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.RE
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.PP
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\fIdebug\fR
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.RS 4
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Parameter understood by both the kernel and the system and service manager to control console log verbosity\&. For details, see
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\fBsystemd\fR(1)\&.
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.RE
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.PP
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\fI\-b\fR, \fIemergency\fR, \fIrescue\fR, \fIsingle\fR, \fIs\fR, \fIS\fR, \fI1\fR, \fI2\fR, \fI3\fR, \fI4\fR, \fI5\fR
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.RS 4
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Parameters understood by the system and service manager, as compatibility options\&. For details, see
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\fBsystemd\fR(1)\&.
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.RE
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.PP
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\fIlocale\&.LANG=\fR, \fIlocale\&.LANGUAGE=\fR, \fIlocale\&.LC_CTYPE=\fR, \fIlocale\&.LC_NUMERIC=\fR, \fIlocale\&.LC_TIME=\fR, \fIlocale\&.LC_COLLATE=\fR, \fIlocale\&.LC_MONETARY=\fR, \fIlocale\&.LC_MESSAGES=\fR, \fIlocale\&.LC_PAPER=\fR, \fIlocale\&.LC_NAME=\fR, \fIlocale\&.LC_ADDRESS=\fR, \fIlocale\&.LC_TELEPHONE=\fR, \fIlocale\&.LC_MEASUREMENT=\fR, \fIlocale\&.LC_IDENTIFICATION=\fR
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.RS 4
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Parameters understood by the system and service manager to control locale and language settings\&. For details, see
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\fBsystemd\fR(1)\&.
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.RE
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.PP
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\fIfsck\&.mode=\fR, \fIfsck\&.repair=\fR
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.RS 4
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Parameters understood by the file system checker services\&. For details, see
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\fBsystemd-fsck@.service\fR(8)\&.
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.RE
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.PP
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\fIquotacheck\&.mode=\fR
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.RS 4
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Parameter understood by the file quota checker service\&. For details, see
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\fBsystemd-quotacheck.service\fR(8)\&.
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.RE
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.PP
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\fIsystemd\&.journald\&.forward_to_syslog=\fR, \fIsystemd\&.journald\&.forward_to_kmsg=\fR, \fIsystemd\&.journald\&.forward_to_console=\fR, \fIsystemd\&.journald\&.forward_to_wall=\fR
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.RS 4
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Parameters understood by the journal service\&. For details, see
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\fBsystemd-journald.service\fR(8)\&.
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.RE
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.PP
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\fIvconsole\&.keymap=\fR, \fIvconsole\&.keymap\&.toggle=\fR, \fIvconsole\&.font=\fR, \fIvconsole\&.font\&.map=\fR, \fIvconsole\&.font\&.unimap=\fR
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.RS 4
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Parameters understood by the virtual console setup logic\&. For details, see
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\fBsystemd-vconsole-setup.service\fR(8)\&.
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.RE
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.PP
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\fIudev\&.log\-priority=\fR, \fIrd\&.udev\&.log\-priority=\fR, \fIudev\&.children\-max=\fR, \fIrd\&.udev\&.children\-max=\fR, \fIudev\&.exec\-delay=\fR, \fIrd\&.udev\&.exec\-delay=\fR, \fIudev\&.event\-timeout=\fR, \fIrd\&.udev\&.event\-timeout=\fR, \fInet\&.ifnames=\fR
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.RS 4
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Parameters understood by the device event managing daemon\&. For details, see
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\fBsystemd-udevd.service\fR(8)\&.
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.RE
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.PP
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\fIplymouth\&.enable=\fR
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.RS 4
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May be used to disable the Plymouth boot splash\&. For details, see
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\fBplymouth\fR(8)\&.
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.RE
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.PP
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\fIluks=\fR, \fIrd\&.luks=\fR, \fIluks\&.crypttab=\fR, \fIrd\&.luks\&.crypttab=\fR, \fIluks\&.name=\fR, \fIrd\&.luks\&.name=\fR, \fIluks\&.uuid=\fR, \fIrd\&.luks\&.uuid=\fR, \fIluks\&.options=\fR, \fIrd\&.luks\&.options=\fR, \fIluks\&.key=\fR, \fIrd\&.luks\&.key=\fR
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.RS 4
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Configures the LUKS full\-disk encryption logic at boot\&. For details, see
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\fBsystemd-cryptsetup-generator\fR(8)\&.
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.RE
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.PP
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\fIfstab=\fR, \fIrd\&.fstab=\fR
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.RS 4
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Configures the
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/etc/fstab
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logic at boot\&. For details, see
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\fBsystemd-fstab-generator\fR(8)\&.
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.RE
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.PP
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\fIroot=\fR, \fIrootfstype=\fR, \fIrootfsflags=\fR, \fIro\fR, \fIrw\fR
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.RS 4
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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
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\fBsystemd-fstab-generator\fR(8)\&.
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.RE
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.PP
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\fIsystemd\&.gpt_auto=\fR, \fIrd\&.systemd\&.gpt_auto=\fR
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.RS 4
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Configures whether GPT based partition auto\-discovery shall be attempted\&. For details, see
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\fBsystemd-gpt-auto-generator\fR(8)\&.
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.RE
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.PP
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\fImodules\-load=\fR, \fIrd\&.modules\-load=\fR
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.RS 4
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Load a specific kernel module early at boot\&. For details, see
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\fBsystemd-modules-load.service\fR(8)\&.
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.RE
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.PP
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\fIresume=\fR
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.RS 4
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Enables resume from hibernation using the specified device\&. All
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\fBfstab\fR(5)\-like paths are supported\&. For details, see
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\fBsystemd-hibernate-resume-generator\fR(8)\&.
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.RE
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.SH "SEE ALSO"
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.PP
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\fBsystemd\fR(1),
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\fBbootparam\fR(7),
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\fBdracut.cmdline\fR(7),
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\fBsystemd-debug-generator\fR(8),
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\fBsystemd-fsck@.service\fR(8),
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\fBsystemd-quotacheck.service\fR(8),
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\fBsystemd-journald.service\fR(8),
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\fBsystemd-vconsole-setup.service\fR(8),
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\fBsystemd-udevd.service\fR(8),
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\fBplymouth\fR(8),
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\fBsystemd-cryptsetup-generator\fR(8),
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\fBsystemd-fstab-generator\fR(8),
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\fBsystemd-gpt-auto-generator\fR(8),
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\fBsystemd-modules-load.service\fR(8),
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\fBsystemd-backlight@.service\fR(8),
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\fBsystemd-rfkill@.service\fR(8),
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\fBsystemd-hibernate-resume-generator\fR(8)
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.SH "NOTES"
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.IP " 1." 4
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kernel-parameters.txt
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.RS 4
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\%https://www.kernel.org/doc/Documentation/kernel-parameters.txt
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.RE
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