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Re: Debian live boot corrupting secure boot

From Max Nikulin <manikulin@gmail.com>
Newsgroups linux.debian.user
Subject Re: Debian live boot corrupting secure boot
Date 2023-10-05 17:30 +0200
Message-ID <Hlysx-dJNl-7@gated-at.bofh.it> (permalink)
References (2 earlier) <HjIFH-cAxc-1@gated-at.bofh.it> <Hkuhj-d4vY-3@gated-at.bofh.it> <HkvZM-d5Cl-9@gated-at.bofh.it> <HlbPj-dvaF-7@gated-at.bofh.it> <Hlhi1-dyTw-7@gated-at.bofh.it>
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On 05/10/2023 04:06, Valerio Vanni wrote:
> 
> I don't know if there is an EFI shell.

I am not sure, but some motherboards may have it preinstalled. Check 
files on EFI system partition. It may be available in boot menu invoked 
by some F* key (not grub menu), it may be necessary to enable it in 
Firmware (BIOS) settings. On a screenshot of AMI bios some related 
option is present in "Exit" menu in advanced mode.

Some commands and links:

https://wiki.archlinux.org/title/Unified_Extensible_Firmware_Interface#UEFI_Shell

> For Linux, I found this (there's no version for Debian):
> https://github.com/rhboot/dbxtool
> 
> But it says it was replaced by this:
> https://github.com/fwupd/fwupd

My impression is that fwupd may install updates if they are provided by 
hardware vendors.

Concerning secure boot keys, I would start from mokutil, but since I 
never debugged similar issues, I am not sure.

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Thread

Re: Debian live boot corrupting secure boot Valerio Vanni <valerio.vanni@inwind.it> - 2023-09-28 11:50 +0200
  Re: Debian live boot corrupting secure boot Max Nikulin <manikulin@gmail.com> - 2023-09-29 05:50 +0200
    Re: Debian live boot corrupting secure boot Valerio Vanni <valerio.vanni@inwind.it> - 2023-09-30 16:00 +0200
      Re: Debian live boot corrupting secure boot Max Nikulin <manikulin@gmail.com> - 2023-10-02 18:50 +0200
        Re: Debian live boot corrupting secure boot Valerio Vanni <valerio.vanni@inwind.it> - 2023-10-02 20:40 +0200
          Re: Debian live boot corrupting secure boot Max Nikulin <manikulin@gmail.com> - 2023-10-04 17:20 +0200
            Re: Debian live boot corrupting secure boot Valerio Vanni <valerio.vanni@inwind.it> - 2023-10-04 23:10 +0200
              Re: Debian live boot corrupting secure boot Max Nikulin <manikulin@gmail.com> - 2023-10-05 17:30 +0200
            Re: Debian live boot corrupting secure boot Valerio Vanni <valerio.vanni@inwind.it> - 2023-10-11 03:50 +0200
              Re: Debian live boot corrupting secure boot Max Nikulin <manikulin@gmail.com> - 2023-10-11 04:20 +0200
                Re: Debian live boot corrupting secure boot Valerio Vanni <valerio.vanni@inwind.it> - 2023-10-11 17:10 +0200

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