this post was submitted on 15 Jun 2026
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This has always been a thought of mine. I wanted to replace/remove any non-free kernels with a libre kernel that doesn't provide non-free binaries. I know some people say it does not matter, but I think it would be a cool idea.

I was thinking about hardening QubesOS by possibly using a deblobbed version of the Kicksecure kernel on all VMs. It would also come with Javascript disabled entirely on all VMs, all non-free binaries removed, everything run over Tor by default, maybe creating a custom repo with only free software, etc.

This would be inclined towards people who use Libreboot/Canoeboot, specifically those that use systems like OptiPlex 9020 and T440p, that run only 100% free software in the BIOS.

I've never attempted it, but I would like to know if anyone would be interested.

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[–] sp0rk@lemmy.dbzer0.com 1 points 1 week ago

Further to this: Debian libre already exists and is exactly this. Probably the best way to start. That gives you Libre Qubes v0.0.1 nearly for free.

Then, for hardening: since Kicksecure is also just a hardened flavour of Debian, you could reduce your work to integrating the hardened config and kernel build of Kicksecure into Debian Libre.

Finally: it is worth considering whether you want to be attempting to deblob Xen - if that is necessary. It may make the project unviable as a one-man side-project.