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kernel-command-line(7) [centos man page]

KERNEL-COMMAND-LINE(7)						kernel-command-line					    KERNEL-COMMAND-LINE(7)

NAME
kernel-command-line - Kernel command line parameters SYNOPSIS
/proc/cmdline DESCRIPTION
The kernel, the initial RAM disk (initrd) and basic userspace functionality may be configured at boot via kernel command line arguments. For command line parameters understood by the kernel, please see kernel-parameters.txt[1] and bootparam(7). For command line parameters understood by the initial RAM disk, please see dracut.cmdline(7), or the documentation of the specific initrd implementation of your installation. CORE OS COMMAND LINE ARGUMENTS
systemd.unit=, rd.systemd.unit=, systemd.dump_core=, systemd.crash_shell=, systemd.crash_chvt=, systemd.confirm_spawn=, systemd.show_status=, systemd.log_target=, systemd.log_level=, systemd.log_color=, systemd.log_location=, systemd.default_standard_output=, systemd.default_standard_error=, systemd.setenv= Parameters understood by the system and service manager to control system behavior. For details, see systemd(1). quiet Parameter understood by both the kernel and the system and service manager to control console log verbosity. For details, see systemd(1). debug Parameter understood by both the kernel and the system and service manager to control console log verbosity. For details, see systemd(1). -b, emergency, single, s, S, 1, 2, 3, 4, 5 Parameters understood by the system and service manager, as compatibility options. For details, see systemd(1). locale.LANG=, locale.LANGUAGE=, locale.LC_CTYPE=, locale.LC_NUMERIC=, locale.LC_TIME=, locale.LC_COLLATE=, locale.LC_MONETARY=, locale.LC_MESSAGES=, locale.LC_PAPER=, locale.LC_NAME=, locale.LC_ADDRESS=, locale.LC_TELEPHONE=, locale.LC_MEASUREMENT=, locale.LC_IDENTIFICATION= Parameters understood by the system and service manager to control locale and language settings. For details, see systemd(1). fsck.mode= Parameter understood by the file system checker services. For details, see systemd-fsck@.service(8). quotacheck.mode= Parameter understood by the file quota checker service. For details, see systemd-quotacheck.service(8). systemd.journald.forward_to_syslog=, systemd.journald.forward_to_kmsg=, systemd.journald.forward_to_console= Parameters understood by the journal service. For details, see systemd-journald.service(8). vconsole.keymap=, vconsole.keymap.toggle=, vconsole.font=, vconsole.font.map=, vconsole.font.unimap= Parameters understood by the virtual console setup logic. For details, see systemd-vconsole-setup.service(8). udev.log-priority=, rd.udev.log-priority=, udev.children-max=, rd.udev.children-max=, udev.exec-delay=, rd.udev.exec-delay=, net.ifnames= Parameters understood by the device event managing daemon. For details, see systemd-udevd.service(8). plymouth.enable= May be used to disable the Plymouth boot splash. For details, see plymouth(8). luks=, rd.luks=, luks.crypttab=, rd.luks.crypttab=, luks.uuid=, rd.luks.uuid=, luks.options=, rd.luks.options=, luks.key=, rd.luks.key= Configures the LUKS full-disk encryption logic at boot. For details, see systemd-cryptsetup-generator(8). fstab=, rd.fstab= Configures the /etc/fstab logic at boot. For details, see systemd-fstab-generator(8). modules-load=, rd.modules-load= Load a specific kernel module early at boot. For details, see systemd-modules-load.service(8). SEE ALSO
systemd(1), bootparam(7), dracut.cmdline(7), systemd-fsck@.service(8), systemd-quotacheck.service(8), systemd-journald.service(8), systemd- vconsole-setup.service(8), systemd-udevd.service(8), plymouth(8), systemd-cryptsetup-generator(8), systemd-fstab-generator(8), systemd- modules-load.service(8) NOTES
1. kernel-parameters.txt https://www.kernel.org/doc/Documentation/kernel-parameters.txt systemd 208 KERNEL-COMMAND-LINE(7)

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