uefi

How can I boot a BIOS-mode platform on an UEFI station without CSM? Is it possible for GRUB or SuperGRUB to boot a platform like Debian on an UEFI station, without using CSM? What’s actually preventing that?;) Asked By: Jason Hunter || Source The short answer is that you can’t boot a system which needs …

Dual boot on separate disks and esps: grub not launching and seeing windows I had a Windows installation on nvme ssd with efi partition and a clean ssd to install Ubuntu 22.04 on. I did everything as suggested in here i.e. turned off boot and esp flags on windows efi partition, then installed Ubuntu, installed …

Make a custom, signed EFI executable? (safeboot.dev) I’m new Linux, I’ve used Xubuntu for the past three months so I only know the basics. Recently I came across safeboot, which basically wraps up complex stuff to secure your system. While reading the installation page, I came across this: A safer way to boot is to …

cannot mount vfat partition after running efibootmgr I have created partition on my USB disk with parted parted /dev/sdb mklabel gpt mkpart boot fat32 0% 1024MB set 1 esp on set 1 boot on then I formatted the partition mkfs.vfat -F 32 /dev/sdb1 mounted and copied my files finally, I ran: efibootmgr –create –disk /dev/sdb …

modprobe: ERROR: could not insert 'efivarfs': No such device when I run efibootmgr command: efibootmgr –create –disk /dev/sdb –part 1 –loader /EFI/syslinux/syslinux.efi –label "Syslinux" –unicode I get this error: EFI variables are not supported on this system. when I try to load the module efivarfs, I get following error: modprobe efivarfs modprobe: ERROR: could not …

Secure Boot with Ubuntu I would like to ask about Secure Boot feature in UEFI especially in Ubuntu context. I know that Ubuntu official ISO images are signed with Secure Boot signature. Let’s assume we have PC with Secure boot enabled. My questions are as follows: Will Secure Boot or Ubuntu Installer notice and terminate …

create a UEFI bootable CD with ISOLINUX How can I create a UEFI bootable CD ? ISOLINUX has no mention of UEFI: https://wiki.syslinux.org/wiki/index.php?title=ISOLINUX while SYSLINUX does, but specific to syslinux: https://wiki.syslinux.org/wiki/index.php?title=Install#UEFI I have installed these packages: syslinux syslinux-common isolinux syslinux-efi I flowed the instructions to create legacy (non-UEFI) bootable CD with ISOLINUX, and this is …

Is EFI partition different from UEFI firmware? I wonder whether deleting EFI partition also erase the UEFI firmware that initialize hardware rendering boot mode impossible. Asked By: Irigasumi || Source No, it will not brick your hardware. It is similar to overwriting the MBR in legacy BIOS systems: it makes that disk unbootable, so you …

Debian 12 install on dual boot laptop with Win 11 : no more Win 11 entry in UEFI/bios I have recently installed Debian 12 on a dual-boot laptop where Windows 11 is also installed. After the Debian 12 installation, the laptop booted on Grub which includes Debian 12, advanced config, Windows 11 and UEFI. Debian …

Converting dual boot windows/ubuntu legacy to uefi I dual boot windows 10/ubuntu on my laptop and am looking to upgrade to windows 11. Problem is that when I initially installed windows/ubuntu, it was using legacy grub. I need to now enable secure boot uefi in order to upgrade to windows 11 but can’t find guides …

After installing Kubuntu 22.04 from DVD it do not start from Harddisk I’ve installed Kubuntu 22.04.2 LTS from DVD burned from the downloaded ISO image. The Live DVD started normally, the installation procedure was completed without error. I’ve selected the the default partitioning. After the installation was completed, the DVD was ejected and the computer …

UEFI HTTP Boot clarity? I’m interested in learning more about UEFI HTTPBoot and setting it up for my LAN as a netboot option, but the details are notably sparse. The best docs I’ve found are Suse Docs for configuring an HTTP Boot server, but it’s lacking some information I’m wondering about. I use PFSense as …

Debian 12 installer does not detect NVMe disks On a HP ZBook G6 with two Kingston M.2 NVMe SSDs is Windows running without problems. But when booting the Debian 12 installer ISO from an USB hard disk, the Linux 6.0 kernel does not detect these NVMe disks but detects only the USB boot disk in …

Error "shim_lock protocol not found" in GRUB while secure boot is enabled I have a dual-boot system and the following error appears after selecting any OS in the GRUB menu: error: shim_lock protocol not found. error: you need to load the kernel first. Press any key to continue… Pressing any key returned to GRUB, and …

Linux Live USB doesn't boot on GIGABYTE Motherboard I have installed Arch Linux on a USB (Using GPT Partition Table) I have partitioned it to 3 partitions (All of them are from type Linux filesystem: Partition 1 which is /boot I have formatted as FAT32 Partition 2 which is the SWAP and formatted to SWAP …

UEFI HTTP boot only: GRUB2 used a mysterious HTTP agent "UefiHttpBoot/1.0" to load initrd and failed to completely read large initrd I was using GRUB for UEFI PXE boot or UEFI HTTP boot of a Linux Live OS (made by Ubuntu Focal or Bionic or Jammy). I used the same grub.cfg for both methods. It …

VM boots into UEFI Interactive Shell with the filesystem missing. (custom virt-install boot parameters) My Setup Host OS: Manjaro XFCE x86_64 Apps: packer (plugins: qemu), virt-manager, virt-install virt-viewer Guest OS: Arch Linux Hypervisor: QEMU KVM Architecture: x64 Machine Type: q35 EFI Firmware Code: /usr/share/edk2/x64/OVMF_CODE.4m.fd EFI Firmware Vars: /usr/share/edk2/x64/OVMF_VARS.4m.fd I created a customized Arch Linux image …

Fedora Live USB in a partition? I want to have with me a Fedora Live UEFI boot USB for emergencies, but I do not want to carry two USB drives. So I want a USB drive with two partitions, one for Fedora Live boot, and another for my stuff. I always have had with me …

Packer-build VM does not start: Unable to rename file '(null).new' to '(null)': Bad address Setup Host OS Manjaro XFCE x86_64 Apps packer (plugins: qemu) virt-install virt-viewer virt-manager Guest OS: Arch Linux Hypervisor: QEMU KVM Architecture: x64 Machine Type: qc35 EFI Firmware Code: /usr/share/edk2-ovmf/x64/OVMF_CODE.fd EFI Firmware Vars: /usr/share/edk2-ovmf/x64/OVMF_VARS.fd See https://github.com/safenetwork-community/bastille-installer/tree/arch for the box I’m trying to …

VM boots into UEFI Interactive Shell with the filesystem missing Setup Host OS Manjaro XFCE x86_64 Apps packer (plugins: qemu) virt-install virt-viewer virt-manager Guest OS: Arch Linux Hypervisor: QEMU KVM Architecture: x64 Machine Type: qc35 EFI Firmware Code: /usr/share/edk2-ovmf/x64/OVMF_CODE.fd EFI Firmware Vars: /usr/share/edk2-ovmf/x64/OVMF_VARS.fd So I create a customized Arch Linux image using packer build and …