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docs: add further secure boot information, as in pve-docs

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Signed-off-by: Alexander Zeidler <a.zeidler@proxmox.com>
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Alexander Zeidler 2023-11-28 14:35:08 +01:00 committed by Thomas Lamprecht
parent d71eb9b353
commit 3c55e416ca
1 changed files with 16 additions and 5 deletions
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21
docs/system-booting.rst
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@ -8,8 +8,9 @@ Host Bootloader
selected in the installer. selected in the installer.
For EFI Systems installed with ZFS as the root filesystem ``systemd-boot`` is For EFI Systems installed with ZFS as the root filesystem ``systemd-boot`` is
used. All other deployments use the standard ``grub`` bootloader (this usually used, unless Secure Boot is enabled. All other deployments use the standard
also applies to systems which are installed on top of Debian). ``grub`` bootloader (this usually also applies to systems which are installed
on top of Debian).
.. _systembooting-installer-part-scheme: .. _systembooting-installer-part-scheme:
@ -30,9 +31,10 @@ The created partitions are:
remaining space available for the chosen storage type remaining space available for the chosen storage type
Systems using ZFS as a root filesystem are booted with a kernel and initrd image Systems using ZFS as a root filesystem are booted with a kernel and initrd image
stored on the 512 MB EFI System Partition. For legacy BIOS systems, ``grub`` is stored on the 512 MB EFI System Partition. For legacy BIOS systems, and EFI
used, for EFI systems ``systemd-boot`` is used. Both are installed and configured systems with Secure Boot enabled, ``grub`` is used, for EFI systems without
to point to the ESPs. Secure Boot, ``systemd-boot`` is used. Both are installed and configured to
point to the ESPs.
``grub`` in BIOS mode (``--target i386-pc``) is installed onto the BIOS Boot ``grub`` in BIOS mode (``--target i386-pc``) is installed onto the BIOS Boot
Partition of all selected disks on all systems booted with ``grub`` (that is, Partition of all selected disks on all systems booted with ``grub`` (that is,
@ -102,6 +104,15 @@ Proxmox Backup's kernel update synchronization mechanism, use the following:
# proxmox-boot-tool init /dev/sda2 # proxmox-boot-tool init /dev/sda2
or
.. code-block:: console
# proxmox-boot-tool init /dev/sda2 grub
to force initialization with Grub instead of systemd-boot, for example for
Secure Boot support.
Following this, `/etc/kernel/proxmox-boot-uuids`` should contain a new line with the Following this, `/etc/kernel/proxmox-boot-uuids`` should contain a new line with the
UUID of the newly added partition. The ``init`` command will also automatically UUID of the newly added partition. The ``init`` command will also automatically
trigger a refresh of all configured ESPs. trigger a refresh of all configured ESPs.