grubby

Manages kernel entries and boot arguments on GRUB2-based systems.

CentOS

Verified: 2026-02-09

Syntax

$grubby [OPTIONEN]

Optionen

--default-kernel Zeigt Standardkernel

--update-kernel Ändert Kernel-Argumente

Examples

$sudo grubby --default-kernel

$sudo grubby --update-kernel=ALL --args='audit=1'

Typical use cases

Standard usage

grubby --help

Note Often used in kernel parameter tuning.

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