How do I install GRUB instead of sytemd-boot

General system Newbie
1

I didnt really think when I chose the systemd-boot instead of grub when installing(maybe cause it had (default) written).
But now I have a problem, I want to use CoreCrtl with full controls, and for that I need to add an GRUB_CMDLINE_LINUX_DEFAULT entry to the grub file so my AMD GPU can be undervolted.
(https://gitlab.com/corectrl/corectrl/-/wikis/Setup#full-amd-gpu-controls)

Can I install both at the same time, do I need to remove the systemd-boot stuff first or can I add this entry to a similar file in my current systemd-boot to achieve the same results?

2

Add the kernel parameter to /etc/kernel/cmdline Then regenerate your entry with kernel-install but it is easier to reinstall your kernel.

3

Thank you for the quick reply.

Add the kernel parameter to /etc/kernel/cmdline Then regenerate your entry with kernel-install

That I can understand.

but it is easier to reinstall your kernel.

Why is it easier and what do I need to do to reinstall it? Is there a wiki for it or a tutorial?

4

Please have a look here:

https://discovery.endeavouros.com/installation/systemd-boot/2022/12/

And here:

1 Like
5

Thank you, I just added the entry to /etc/kernel/cmdline and then sudo reinstall-kernels. Worked well.

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6

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