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Document UEFI PXE grub handoff details

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andersen committed 2026-03-08 10:44:41 -04:00
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docs/replication.md
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@@ -158,6 +158,8 @@ UEFI:
```bash
sudo cp boot/grub2/grub.cfg /var/lib/tftpboot/grub.cfg
sudo cp boot/grub2/grub.cfg /var/lib/tftpboot/EFI/BOOT/grub.cfg
sudo cp /boot/efi/EFI/almalinux/grubx64.efi /var/lib/tftpboot/grubx64.efi
sudo chmod 644 /var/lib/tftpboot/EFI/BOOT/BOOTX64.EFI /var/lib/tftpboot/EFI/BOOT/grubx64.efi /var/lib/tftpboot/grubx64.efi
```
Some UEFI layouts expect the config under:
@@ -167,6 +169,13 @@ Some UEFI layouts expect the config under:
Use the location expected by your GRUB EFI binary.
In the current AlmaLinux 10 UEFI lab, shim fetched `EFI/BOOT/BOOTX64.EFI` and then looked for:
- `/grubx64.efi`
- `/EFI/BOOT/grub.cfg`
So the root-level `grubx64.efi` copy above was required for successful UEFI PXE handoff.
## 8. Make Sure HTTP Is Serving The Tree
Verify from another host:
docs/virtual-lab.md
+10
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@@ -123,11 +123,21 @@ sudo cp /usr/share/syslinux/ldlinux.c32 /var/lib/tftpboot/
sudo cp /boot/efi/EFI/BOOT/BOOTX64.EFI /var/lib/tftpboot/EFI/BOOT/
sudo cp /boot/efi/EFI/almalinux/grubx64.efi /var/lib/tftpboot/EFI/BOOT/
sudo cp /boot/efi/EFI/almalinux/grubx64.efi /var/lib/tftpboot/grubx64.efi
sudo cp /opt/pxe_boot_alma/boot/grub2/grub.cfg /var/lib/tftpboot/grub.cfg
sudo cp /opt/pxe_boot_alma/boot/grub2/grub.cfg /var/lib/tftpboot/EFI/BOOT/grub.cfg
sudo cp /opt/pxe_boot_alma/boot/pxelinux.cfg/default /var/lib/tftpboot/pxelinux.cfg/default
sudo chmod 644 /var/lib/tftpboot/EFI/BOOT/BOOTX64.EFI /var/lib/tftpboot/EFI/BOOT/grubx64.efi /var/lib/tftpboot/grubx64.efi
```
UEFI-specific note:
- shim requested `/EFI/BOOT/BOOTX64.EFI`
- then requested `/grubx64.efi`
- then loaded `/EFI/BOOT/grub.cfg`
Without the root-level `grubx64.efi` copy, UEFI PXE did not progress past shim.
## 8. Publish Kickstart And Post-Install Bootstrap
Run on `server1`: