fedora-docs-l10n/fedora-coreos/master/pages/bootloader-updates — English @ Fedora Weblate: # bootupctl update ... Updated: grub2-efi-x64-1:2.04-31.fc33.x86_64,shim-x64-15-8.x86

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	English	Actions
	Updating the bootloader
	bootupd
	Updating the bootloader is not currently automatic. The https://github.com/coreos/bootupd/[bootupd] project is included in Fedora CoreOS and may be used for manual updates.
	This is usually only relevant on bare metal scenarios, or virtualized hypervisors that support Secure Boot. An example reason to update the bootloader is for https://eclypsium.com/2020/07/29/theres-a-hole-in-the-boot/[the BootHole vulnerability].
	At the moment, only the EFI system partition (i.e. not the BIOS MBR) can be updated by bootupd.
	Inspect the system status:
	# bootupctl status Component EFI Installed: grub2-efi-x64-1:2.04-31.fc33.x86_64,shim-x64-15-8.x86_64 Update: At latest version #
	If an update is available, use `bootupctl update` to apply it; the change will take effect for the next reboot.
	# bootupctl update ... Updated: grub2-efi-x64-1:2.04-31.fc33.x86_64,shim-x64-15-8.x86_64 #
	Example systemd unit to automate bootupd updates
	variant: fcos version: {butane-latest-stable-spec} systemd: units: - name: custom-bootupd-auto.service enabled: true contents: \| [Unit] Description=Bootupd automatic update
	[Service] ExecStart=/usr/bin/bootupctl update RemainAfterExit=yes
	[Install] WantedBy=multi-user.target
	Using images that predate bootupd
	Older CoreOS images that predate the existence of bootupd need an explicit "adoption" phase. If `bootupctl status` says the component is `Adoptable`, perform the adoption with `bootupctl adopt-and-update`.
	# bootupctl adopt-and-update ... Updated: grub2-efi-x64-1:2.04-31.fc33.x86_64,shim-x64-15-8.x86_64 #
	Future versions may default to automatic updates
	It is possible that future Fedora CoreOS versions may default to automating bootloader updates similar to the above.

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type: delimited block -

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./pages/bootloader-updates.adoc:34

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