Re: How do I change the grub kernel boot parameters in F32 ?

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On 2020-06-11 05:41, R. G. Newbury wrote:
> On 2020-06-09 8:11 p.m.Stephen Morris<samorris@xxxxxxxxxxxxxxx> wrote
>> if in /etc/default/grub you have the entry GRUB_ENABLE_BLSCFG=true
>> that inserts a line into the grub processes to use the new BLS standard,=20
>> in which case grub2-mkconfig and possibly grubby do nothing until that=20
>> entry is set to false. I have always use grub2-mkconfig because I have=20
>> never liked what grubby generated, and what BLS generates appears to be=20
>> the same as what grubby does, and I found that I had to set that entry=20
>> to false for grub2-mkconfig to continue to work.
>
> THANKS FOR THAT, Steve!
>
> I could not get grub2-mkconfig to actually change the grub.cfg file. Now I know why ( but not why such a dangerously misdescriptive switch would be hidden away in a default file).
> In the past I would just edit the damn file, but the new motherboard uses EFI, and such hands-on fixing might lead to an undesired result!
>

I know I'm "late to the party".  Laid up in hospital for the past week and previous message in this
thread have been "expired".

I've just used the grub2-editenv command which is new with the BLS standard.  My understanding
is that at some point using GRUB_ENABLE_BLSCFG=false may no longer be an option.

So, using my system as an example, I just do below to do a change.

grub2-editenv - set "kernelopts=root=UUID=4455f2e9-fed2-4e1e-856d-642b531547f9 ro rd.driver.blacklist=nouveau modprobe.blacklist=nouveau"

Of course I normally first do

grub2-editenv list to get the current settings.




-- 
The key to getting good answers is to ask good questions.
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