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Boot Existing, Usual Linux Installation from Hard Disk in Live Mode / read-only mode with dracut #1565
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Figured it out thanks to dracut-grub-live @Friedrich12.
And kernel boot parameter
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rootovl is only available on the Debian fork of dracut. Here upstream there is an overlayfs drcaut module that works similarly to rootovl and it is now also available in Debian as well. Perhaps you can help testing this solution so that it works with all distro |
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Happy to test this. Since I couldn't find any documentation (this is why I created this ticket), it took me a while to figure this out.
(I commented out And indeed, adding the kernel parameter Are these the correct kernel parameters? |
Well, there is an open bugfix that I hope to land soon - #2269 . Ideally you should test with this patch applied. This bugfix also uploaded for debian - https://salsa.debian.org/debian/dracut/-/merge_requests/20 You might need some of these changes even for a non-nfs use case. FYI Fedora live images also using CC @Mrfai |
Feature request. What I would like to do:
(add an additional grub boot menu entry for ease of use to have a choice to boot into persistent mode or live (read-only) mode)
Similar to this (alternative way to phrase this question).
Is this already possible with dracut?
By comparison, this is possible with initramfs-tools and grub.
sudo update-grub
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