| Headlines |
| 2022-12-20 |
Fedora proposes unified kernel images |
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The Fedora project is looking at moving away from generating new initrd images on computers performing upgrades and, instead, having a unified kernel image which can be install or upgraded without extra work on the target computer. The unified kernel change proposal explains: "The goal is to move away from initrd images being generated on the installed machine. They are generated while building the kernel package instead, then shipped as part of a unified kernel image.
A unified kernel image is an all-in-one efi binary containing kernel, initrd, cmdline and signature. The secure boot signature covers everything, specifically the initrd is included which is not the case when the initrd gets loaded as separate file from /boot.
Main motivation for this move is to make the distro more robust and more secure.
Switching the whole distro over to unified kernels quickly is not realistic though. Too many features are depending on the current workflow with a host-specific initrd (and host-specific kernel command line), which is fundamentally incompatible with unified kernels where everybody will have the same initrd and command line. |
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