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Dracut UEFI Unified Kernel Image with Secure Boot Signing
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| esp=/efi | |
| distro=archlinux | |
| mkdir -p $esp/EFI/$distro | |
| # Generate UEFI Unified Image | |
| dracut --force --verbose --kver $(uname -r) $esp/EFI/$distro/linux+initramfs.efi.signed | |
| # Create UEFI boot manager entry | |
| efibootmgr --quiet --create --disk /dev/disk/by-label/EFI --label 'Arch Linux' --loader /EFI/$distro/linux+initramfs.efi.signed |
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| # /etc/dracut.conf.d/dracut-defaults.conf | |
| hostonly=yes | |
| hostonly_cmdline=no | |
| use_fstab=yes | |
| compress=lz4 | |
| show_modules=yes | |
| add_drivers+='lz4 lz4_compress' | |
| uefi=yes | |
| early_microcode=yes | |
| uefi_splash_image=/usr/share/systemd/bootctl/splash-arch.bmp | |
| uefi_stub=/usr/lib/systemd/boot/efi/linuxx64.efi.stub | |
| uefi_secureboot_cert=/etc/efi-keys/db.crt | |
| uefi_secureboot_key=/etc/efi-keys/db.key | |
| CMDLINE=( | |
| rw | |
| rd.luks.timeout=60 | |
| rd.luks.crypttab=no | |
| rd.luks.name=$(cryptsetup luksUUID /dev/disk/by-partlabel/cryptsystem)=system | |
| root=LABEL=system | |
| rootflags=subvol=@ | |
| zswap.enabled=1 | |
| zswap.compressor=lz4 | |
| zswap.zpool=z3fold | |
| ) | |
| kernel_cmdline="${CMDLINE[*]}" | |
| unset CMDLINE |
Must use latest commit from dracut project. Important new features for secure boot signing and embedding microcode.
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uefi_splash_imagecurrently only works with my fork.