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grubby — Tool for configuring `grub` and `zipl` bootloaders. More information: <https://manned.org/grubby.8>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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grubbycommandandclitoolconfiguringforgrub

linux

Problem

How to use the grubby command: Tool for configuring grub and zipl bootloaders. More information: <https://manned.org/grubby.8>.

Solution

grubby — Tool for configuring grub and zipl bootloaders. More information: <https://manned.org/grubby.8>.

Add kernel boot arguments to all kernel menu entries:

sudo grubby --update-kernel=ALL --args '{{quiet console=ttyS0}}'

Remove existing arguments from the entry for the default kernel:

sudo grubby --update-kernel=DEFAULT --remove-args {{quiet}}

List all kernel menu entries:

sudo grubby --info=ALL

Code Snippets

Add kernel boot arguments to all kernel menu entries

sudo grubby --update-kernel=ALL --args '{{quiet console=ttyS0}}'

Remove existing arguments from the entry for the default kernel

sudo grubby --update-kernel=DEFAULT --remove-args {{quiet}}

List all kernel menu entries

sudo grubby --info=ALL

Context

tldr-pages: linux/grubby

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