this post was submitted on 17 Jul 2023
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Grub-btrfs troubles (beehaw.org)
submitted 1 year ago by luckless@beehaw.org to c/linux@lemmy.ml
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Hello all, I'm having some network problems on my server (Ubuntu Lunar Lobster Server Edition), namely my plex port is no longer reachable from outside the network despite it being port forwarded and allowed through ufw. A few days ago I used airvpn's eddie gui program, and it completely wrecked my network. Caused it to be completely cut off from internet when disabled, even with the killswitch function off.

I rolled back to a snapshot I'd made earlier using snapper and grub-btrfs and thought the problem was solved. But while I regained the ability to access the internet, it still seems to have messed something up. I can't seem to get my kernel upgraded. I have 6.2.0-25 installed, but I can only boot into 6.2.0-24, even when I apt removed the older kernel. I believe this is what is causing my networking issues, though even if it's not I'd need a solution so as to be able to keep my kernel updated.

I'm at a bit of a loss at this point and am wondering if I've dug myself in too deep with grub-btrfs. I'm contemplating getting a fresh image on there and sticking to manual use of snapper.

Any help would be much appreciated, thanks.

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[–] slowbyrne@beehaw.org 1 points 1 year ago (1 children)

Well as long as you take a snapshot of your data and move that snapshot to another drive, you're free to tinker without real worry. Arch Linux wiki should have lots of examples of what you're trying to fix or modify. There's always a fresh install as well, which isn't ideal most of the time but as long as the data is safe, then its an option. Best of luck, hope you're able to resolve the issue.

[–] luckless@beehaw.org 2 points 1 year ago

Thanks, it's looking like I'll be doing a reset. It looks like grub-btrfs creates its own entries and points towards the boot directory within the /.snapshot/ directory, completely ignoring my boot partitions current files.

Ubuntu was never my first choice but was necessary for using my arc380 with plex transcoding. Might as well take this opportunity to move back to debian with bookworm. Only trouble is I would prefer a 6.2 over 6.1 kernel distribution, and while I enjoy arch on my laptops, I'm not sure I'd want to update my server so frequently.