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From https://news.ycombinator.com/item?id=41022664 https://news.ycombinator.com/item?id=41022664 re: potential boot features: mandatory dead man's switch failov
by westurner 2y ago
From https://news.ycombinator.com/item?id=41022664 https://news.ycombinator.com/item?id=41022664 re: potential boot features: mandatory dead man's switch failover to the next kernel+initrd unless [...]:
> For EFI you could probably set BootNext to something else early on, in combination with some restarting watchdog. GRUB can store state between boots https://www.gnu.org/software/grub/manual/grub/html_node/Envi https://www.gnu.org/software/grub/manual/grub/html_node/Envi... and has "default" and "fallback" vars.