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This page is useful for those who wish to use the GRUB GRUB payload directly. If you’re using SeaBIOS, the boot process will work similarly to traditional BIOS systems; refer to the SeaBIOS documentation on https://seabios.org/SeaBIOS

GNU+Linux is the operating system of choice, for Libreboot development. It is highly recommended over any other operating system, precisely because it consists of Free Software (free as in freedom). There are other free operating systems, such as BSD, but most of the software in a typical GNU+Linux system is also copylefted. To learn more about the importance of copyleft, read this page on the GNU website: https://www.gnu.org/licenses/copyleft.html

Useful links

Refer to the following pages:

Guix, Parabola, Trisquel

These guides were outdated, so they were deleted. You can find links to them here: https://notabug.org/libreboot/lbwww/issues/4

The above issue page is the same as this entry on the TODO page: ../../tasks/#move-all-distro-fdeboot-guides-to-distro-wikimanuals

The Debian guide has been retained, because it’s currently up to date. The Hyperbola guide is already on the Hyperbola website, and the above is just a link.

In general, it is recommended that you use SeaBIOS but if you want extra security, GRUB payload is recommended where you can then have a fully encrypted /boot directory.

TODO: Nuke all distro-specific guides on libreboot.org. Instead, move these instructions to the wiki pages of these projects, on their websites. The reasons are explained in the above issue page.

Rebooting system in case of freeze

Linux kernel has a feature to do actions to the system any time, even with it freezes, this is called a Magic SysRq keys. You can do these actions with Alt + Sysrq + Command. These are the actions:

If some of them don’t work, you have to enable it in the kernel command line paramter. So append sysrq_always_enabled=1 to your GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub

You can also run # sysctl kernel.sysrq=1 to enable them.

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Libreboot 20210522 has been released! Download it here - release announcement here