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I think I didn't make it clear enough: My laptop was on the power during the update process, when the power randomly cut out - for the first time in about 6 years, it doesn't happen often. Of course you can interpret it as user error - but I think it's reasonable to update my system when plugged into, normally reliable power. The laptop battery is pretty much dead, so it would've shut itself down automatically anyway.
I mean any which way you try to frame this, saying that you won’t use Arch anymore because you didn’t take the precautions necessary based on your situation is gonna take some heat here.
That's why UPS boxes exist .. Or Timeshift if you don't have the cash
The power is out and my laptop has less than 10% battery left?
It's pacman -Syu time.
Exactly my thoughts as well.
Why update on that little battery life left... the power will return sooner or later, going without updates even for a week or two is no real problem. Hell, I update like once every 3 weeks to a month, it's not that big of a deal.
Out of curiosity: Which operating system(s) can you shutdown while the kernel is being overwritten? I wouldn't imagine that as a limitation of Arch Linux specifically.
Mint definitely keeps a couple of previous kernels around, so that might be a Debian and Ubuntu thing too.
That said, there's always going to be a critical point of failure that a power loss could cause things to break, no matter your OS or distro.
Writing the bootloader or updating a partition table for example.
Arch Linux with 2 kernels ;)
Anything running on a copy-on-write filesystem can trivially rollback changes using a rescue partition.
I also expect most immutable distros would be able to be especially good at tanking this.
I think fedora would survive this abuse. It doesn't replace when you install kernels, but instead adds it.
Ubuntu (and probably Debian too) will keep an old kernel in your grub list so you can boot off that one if needed.
Also Fedora ships 3 kernels by default. If one breaks, maybe the others will keep working.
With Manjaro you choose how much kernels you want.
I was installing Nobara 40 and discovered that the live session is allowed to suspend the PC during the install process. The system ended up having problems with some basic functions...
shutdown a computer when you shouldn’t computer breaks
how could a computer do this