June 2025
Beginner to intermediate
1180 pages
37h 48m
English
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21.6 Kernel Boot Options
The kernel does not always have to be recompiled if a detail in the kernel is to be changed! There are two ways to affect the kernel without recompiling:
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First, you can use the boot loader to pass parameters to the kernel during system startup. This mechanism is the subject of this section.
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Alternately, you can change a number of kernel functions dynamically—that is, during operation. This type of intervention is particularly common for controlling network functions and is described in Section 21.7.
When configuring GRUB, you can specify kernel boot options in the linux line or in the /etc/default/grub file. You can also type such options interactively when starting a Linux installation program or when starting ...
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