this post was submitted on 14 Oct 2024
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submitted 2 months ago* (last edited 2 months ago) by [email protected] to c/[email protected]
 

Im giving a go fedora silverblue on a new laptop but Im unable to boot (and since im a linux noob the first thing i tried was installing it fresh again but that didnt resolve it).

its a single drive partitioned to ext4 and encrypted with luks (its basically the default config from the fedora installation)

any ideas for things to try?

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[–] [email protected] 2 points 2 months ago (2 children)

editing the /etc/fstab didnt work (I just changed the path but not sure if the uuid plays any part) but ill give the rm/mkdir part a go

[–] [email protected] 2 points 2 months ago (1 children)

Did you update your initramfs after? The new fstab doesn’t apply until you refresh that

[–] [email protected] 2 points 2 months ago (2 children)

No but I rebooted the system after the change. do still need to update it regardless the reboot?

[–] [email protected] 2 points 2 months ago* (last edited 2 months ago) (1 children)

Edit: Probably try @[email protected]'s solution of systemctl daemon-reload first.

Yes. When booting, your system has an initial image that it boots off of before mounting file systems. You have to make sure the image reflects the updated fstab.

[–] [email protected] 1 points 2 months ago (1 children)

@data1701d @evasync You don't have to reboot to effect that, systemdctl daemon-reload will reload the /etc/fstab file.

[–] [email protected] 1 points 2 months ago (1 children)

You might be right. I was thinking of it in terms of a traditional distro, as I use vanilla Debian where my advice would apply and yours probably wouldn't.

From what I do know, though, I guess /etc would be part of the writable roots overlaid onto the immutable image, so it would make sense if the immutable image was sort of the initramfs and was read when root was mounted or something. Your command is probably the correct one for immutable systems.

[–] [email protected] 1 points 2 months ago

@data1701d It will work fine with Debian Bookworm, not sure about older releases, I don't know at what point they switched to systemd controlling that but definitely does work in Bookworm. It should work in most other modern Debian or Ubuntu derived systems as well, but not older versions as systemd taking over this functionality is relatively recent.

[–] [email protected] 1 points 2 months ago

On another note, for actually doing it, it looks like Fedora uses Dracut, so you just need to run sudo dracut -f.

[–] [email protected] 1 points 2 months ago

Make sure the uuid matches the uuid of the home partition you want, you can list uuids with blkid I think, big noob here too I just spent my last week trying to figure out why it wouldnt mount my boot partition and the problem was the UUID...