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Linux Rules
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this post was submitted on 10 Sep 2023
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You don't need a bootloader if you don't reboot
on a serious note, is possible to never reboot?
like an high availability server that can't never go down, how do they manage kernel updates? *
Kernel live patching, which basically rewires kernel functions at runtime, lets you update the kernel without rebooting. I don't remember how old that is though.
there's also kexec
That's still downtime, it just doesn't reboot firmware