On 2023-04-11 at 22:30, Michel Verdier wrote: > Le 11 avril 2023 davidson a écrit :
>> I believe the OP just wants an extra entry in his grub menu that >> will boot a redundant copy of his latest working kernel. (But that >> is only my understanding, which might be wrong. OP can speak for >> himself on this point.) > > Ok to cover grub menu you just have to had it in /etc/grub.d. You > simply copy a block menuentry from /boot/grub/grub.cfg and put it in > something like /etc/grub.d/40_custom. In the copy you can change > kernel params, etc. update-grub will include it in generated > grub.cfg. Without anything more, wouldn't that just result in an extra GRUB-menu entry pointing to the same copy of the kernel/etc.? As I think I understand matters, the goal is to have a duplicate copy of the kernel/etc. *and* a separate GRUB menu entry pointing to it, so that if something blows away or otherwise messes up the original the duplicate is still around to serve as a fallback. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
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