Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware (BIOS)
Questions tagged [uefi]
147 questions
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1 answer
Alpine setup on virtual machine UEFI does not boot
I am trying to setup Alpine linux on a VM (Proxmox) to replicate the layout of physical hardware (raspberry pi).
The real layout is a raspberry pi 3, installed as "data" mode (based on wiki) with :
sd card: 2 partitions (/boot, /)
usb hard disk : 2…
Dede
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0 answers
Booting from CD-ROM image with HP server in UEFI mode
I have a ProLiant BL460c Gen9 server, on which I want to install my OS with UEFI mode.
After I changed the boot mode to UEFI and disabled secure-boot and tried to boot my Centos7 Image from CD-ROM this is what I…
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Access POS UEFI (Aptio) from linux
I have a POS machine that uses the Aptio BIOS/UEFI. In there, there is an option called OS SELECTION which is set to linux/win7 as I use linux for that machine.
Is there a way to check this remotely or retrieve that information without having to…
Panagiotis
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How to add a certificate in UEFI SHIM for signing a kernel module on GCP?
I followed this tutorial in order to add my own signed kernel module in my Ubuntu VM (18.04 LTS). It is hosted on Google Cloud Platform.
I would like to add a certificate in the UEFI shim/Mokmanager, but when I restart the server in order to…
Antonin M.
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Fedora Boot UEFI SLOW
After a fresh install of Fedora 31, the boot time is incredibily slow.
I suspect something went wrong with the boot partitions.
Here is the layout
[root@linux Scaricati]# efibootmgr
EFI variables are not supported on this system.
[root@linux…
gdm
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2 answers
(WDS) UEFI PXE Boot Fails While Downloading NBP File
Hello guys i'm currently running into an issue where the laptop that i'm trying to network boot with would go download the NBP file over the network but then it would go back to the BIOS menu. I was following this guide in the process.
as you can…
Hexalogy
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No boot in Devuan after installation - EFI Shell
I installed Devuan ASCII on a virtual machine on VirtualBox. Installation went smooth, but after installation I get the following EFI shell
See the image
But any attempt to enter a BLK* device ended with the
current directory not specified
message…
JaKaiser
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1 answer
How to PXE boot systems that only have EFI/UEFI firmware (with no BIOS downgrade option)?
I run/work in a heterogeneous environment. The network is mostly run on Windows servers for DNS and DHCP. We use Linux for various other things.
I have some brand new Toshiba Laptops that that will not boot off of PXE boot server, that hosts our…
David
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1 answer
EFI virtual machine on Hyper-V
Is it possible to create EFI virtual machine running on Hyper-V? Which Hyper-V version should I use?
Jury
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2 answers
When should an EFI partition be used?
If I only deal with Linux servers and Linux laptops, when should I create an EFI partition?
From my understanding an EFI partition on a Linux server ensures a standard for the disk layout, where EFI on a laptop is an requirement for…
Sandra
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"Factory Reset"-Strategy with an UEFI-x86-GPIO-Board
What would be the "right" strategy for this use-case?
x86_64-platform with UEFI
40-Pin GPIO available
Ubuntu/Debian and Yocto-Custom-Build available (by manufacturer) for that platform/board
eMMC and SSD available
The goal is to have a working…
Maas
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1 answer
Will win8 boot if I disable UEFI?
I'd like to disable UEFI mode in case if something will go wrong with my laptop and I will need to load another OS to it. However it would be very unfortunate if switching of UEFI prevented win8 from booting.
Does anybody know if it is safe to…
Yevgen Yampolskiy
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