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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Do I need to disable secure boot to install the nvidia drivers? (lemmy.one)

submitted 4 weeks ago by [email protected] to c/[email protected]

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Hello, basically the title. It is one of the newer cards and it is fedora 40 the distro.

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[–] [email protected] 2 points 4 weeks ago (1 children)

I am asking because I am looking to dual-boot with windows 11 which requires secure-boot afaik. I could disable it whilst switching (each os will be in it's own drive with the corresponding bootloader) so any os will be on a different drive.

[–] [email protected] 3 points 4 weeks ago (1 children)

Should be doable either way, but swapping secure boot on and off may cause problems with Windows in your proposed setup. I would pick one and stick with it. I know Linux is compatible with secure boot, I just never bothered to learn how to work with it. If I remember correctly, every time a change was made to the kernel, the keys would need to be reenrolled. This includes whenever the Nvidia driver’s updated.

Might want to read up on secure boot.

https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface/Secure_Boot

https://wiki.gentoo.org/wiki/User:Sakaki/Sakaki%27s_EFI_Install_Guide/Configuring_Secure_Boot

[–] [email protected] 1 points 4 weeks ago (1 children)

To be more clear, the swap of the oses (not swap as in the swap partition) will be done from bios by changing the boot drive/efi executable and toggling secure boot accordingly. Do you think this will work?

[–] [email protected] 2 points 3 weeks ago (1 children)

That's what I thought you might try. Answer is, I don't know. I think it would depend on what the UEFI does with the secure boot keys when you disable secure boot. From a security standpoint it would make most sense for it to wipe those keys, but I could be wrong. The easiest way to find out if it would cause a problem would be to try it.

If I understand this article correctly however, Windows only requires that the UEFI be capable of secure boot, not that secure boot be enabled.

I think the first thing I would try is to try installing and booting Windows without secure boot. If that fails, than reinstall, this time with secure boot enabled and leave it enabled. Several other comments here are saying that secure boot in linux is now largely seamless and as it has been several years since I've mucked about with it, I'm inclined to listen to their recommendation.

[–] [email protected] 1 points 3 weeks ago

I used to do this while using windows 10 and arch on my laptop. Didnt have any issues. It is just if windows 11 might have an issue. Afaik from the above, my guess is that it just disables the checks whilst disabling secure boot.