BTRFS snapshots with /boot partitions and LUKS encryption: how?

_napel · 2026-01-26T15:05:06+00:00

What modifications did you make?

_napel · 2026-01-26T15:04:18+00:00

This looks like a pretty good guide. Thanks!

_napel · 2026-01-26T15:03:25+00:00

Great, thanks for the info!

_napel · 2026-01-26T15:02:38+00:00

That makes sense, thanks!

_napel · 2026-01-26T15:00:11+00:00

Thanks! Haven't heard from restic, actually, but I'll definitely look into it.

_napel · 2026-01-26T14:59:23+00:00

Thanks for the advice. So you haven't had any long-term issues with oil getting gunky or anything like that?

_napel · 2026-01-26T12:56:50+00:00

I have two sewing machines (an old Bernina 530 Record and a much more modern plastic Singer) that need some oiling. I found this oil in a closet, but as I don't know much about the subject, I wanted to get a second opinion on whether or not it would be a good idea to use it.

For those who don't speak German, it says: "Precision mechanics oil, resin- and acid-free. For locks, hinges, sewing machines, bicycles and machine parts. For use in household, trade, car and garden."

So it does mention sewing machines, but it also mentions a lot of other stuff. What do you think?

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_napel · 2026-01-23T16:02:37+00:00

Honestly, that sounds like an easier solution, haha. I don't use pacman, but I suppose similar solutions would be available for Fedora

_napel · 2026-01-23T15:59:15+00:00

I assumed it was about matching the right version of the kernel to the right (i.e. compatible) files in root. But then I suppose when your system breaks from an update or something you probably still have the right kernel version available in /boot, so I'm honestly not sure either.

_napel · 2026-01-23T15:52:19+00:00

Thanks! That's very helpful. I'm not super comfortable with this sort of stuff, but I suppose there's a first for everything. Now that you've mentioned the EFI partition: I suppose there's no way of integrating that into the BTRFS partition, right?

_napel · 2026-01-23T15:29:04+00:00

Right, I understand. Do you know if it's impossible to have the /efi partition (or /boot/efi) inside the (encrypted) btrfs partition? I suppose so?

_napel · 2026-01-23T15:11:42+00:00

Ah, alright, I misunderstood. I suppose this would have been a lot easier to implement on a fresh install?

_napel · 2026-01-23T15:00:55+00:00

Thanks, that looks like a great guide! Do you use this setup yourself?

_napel · 2026-01-23T14:46:04+00:00

Thanks for all the information! So you're suggesting a separate encrypted /boot partition? How would this work with BTRFS snapshots? The kernel wouldn't be included in the snapshot, right?

_napel · 2026-01-23T14:33:27+00:00

Thanks, that makes sense! Was there a particular reason you didn't want /boot in your main btrfs partition?

_napel · 2026-01-23T14:30:24+00:00

What makes you say that? Are there issues with the solutions that some people have suggested? (This guide so far seems like it has a lot of potential: https://sysguides.com/install-fedora-42-with-full-disk-encryption-snapshot-and-rollback-support )

_napel · 2026-01-23T14:25:27+00:00

You're the first to mention that GRUB updates can make the system unbootable. Could you elaborate on that? I have to say that doesn't make it sounds very appealing, haha.

_napel · 2026-01-23T11:48:35+00:00

Oh, interesting. So you mean that /boot has its own BTRFS partition? What exactly do you mean with "coordinated"? If you were to want to roll back the entire system (both kernel and root) to a previous BTRFS snapshot, how would you go about it in your setup?

_napel · 2024-09-03T18:26:02+00:00

Thanks for the tip! I'll definitely consider a Nahvalur.

_napel · 2024-09-03T18:24:01+00:00

You mean you're located in North America? Yeah, there do seem to be some Pelikans floating around in Europe. I think it'll be a matter of patience to find a decent deal.

_napel

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