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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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Overview: How UEFI Secure Boot Works in Linux (tiffybelle.vivaldi.net)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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Been down the rabbit hole lately of UEFI Secure Boot issues, and decided to write an overview of how it works out-of-the-box in the excellent Debian-based Linux Mint LMDE 6.

Have mostly been researching this stuff as I was looking to replace GRUB entirely with systemd-boot on one of my systems. Will likely write a follow-up piece documenting that journey if I think it'd be interesting to some nerds out there.

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[–] [email protected] 15 points 1 year ago (4 children)

First, I'd personally always opt for systemd-boot instead of GRUB when I have the choice. GRUB is just very complex and systemd-boot rather simple.

Getting Secure Boot to work isn't always trivial, especially since mainboards and TPMs don't always document how enrolling your own keys works.

[–] [email protected] 1 points 1 year ago

personally for me, grub beaks when sdax changes but, in systemd boot doesn't. this is my main reason to prefer it. easy access to boot configuration is a plus i guess.

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