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6
votes
1answer
736 views

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu ...
0
votes
0answers
16 views

Images (e.g. with Clonezilla) of Windows and Linux on a UEFI computer

I use Clonezilla with success for many years to make images from partitions that host Windows 7 or smaller and Ubuntu and other operating systems. Making images and restore them was easy for me. But ...
3
votes
3answers
3k views

Dual booting Ubuntu and Windows 8. w8 boots through grub shell, but not from menu

I have a laptop, with installations of Ubuntu 12.10, and Windows 8. Windows 8 was first installed on the system, and Ubuntu was installed afterwards. During the Ubuntu installation, the installer ...
2
votes
1answer
191 views

How do I repair grub2 (not) booting 32-bit EFI on a 64-bit machine?

I have an Asus EeeBook X205TA which proves very difficult to install Linux on due to obscure new hardware and 32-bit EFI on 64-bit hardware. I have seen and read a lot of material and I am almost ...
1
vote
2answers
82 views

How to construct a GPT-only partition table on Linux?

All of the tools I've tried until now were only capable to create a dual (GPT & MBR) partition table, where the first 4 of the GPT partitions were mirrored to a compatible MBR partition. This is ...
0
votes
1answer
29 views

Not able to install mint with UEFI

In order to install Linux mint mate edition on a HP pavilion notebook, I downloaded the iso file on the official website. I created a bootable USB stick with Rufus. I shrinked the windows partition ...
0
votes
1answer
893 views

Can't get grub to boot windows 7 partition. “error: invalid EFI file path”

I have an "HP pavilion 7008tx dv7" laptop. It came bundled with Windows 7 and has two 1TB HHD and an 32G SSD. Here is the output form "sudo parted -l": Model: ATA TOSHIBA MQ01ABD1 (scsi) Disk ...
4
votes
2answers
2k views

grub error : “File not found” for separate /boot/efi partition

I've installed CentOS 6.4 on UEFI enabled machine, created /boot/efi partitions. But my grub is not automatically starting, if I start the PC, I start in Windows 8. I can only start CentOS by ...
0
votes
1answer
1k views

Windows 8.1 and Debian dualboot EFI problems

I am following the instructions described here and here My EFI-partition is /dev/sda2, but the following command does not work: mount /dev/sda2 /boot/efi It says it cannot find the mount point. I ...
0
votes
1answer
55 views

Debian & Windows 8 UEFI dual booting on separate disks

I want to dual boot Debian and Windows 8, installed on separate disks. This is what I've done so far, following this tutorial. My drive config & partitioning is as follows: /dev/sda1 - Windows ...
4
votes
4answers
11k views

How to build a live Debian CD/USB in Windows, bootable in EFI mode?

I tried to install the latest stable Debian release (Debian 7.0 "Wheezy") using the Debian Multi-arch netinstall (AMD64) "debian-7.0.0-amd64-i386-netinst.iso" on my laptop. My laptop has a SecureCore ...
3
votes
1answer
77 views

Dual boot Opensuse13.2 and windows8.1 boot loader

I installed Opensuse13.2 using dual boot on my system that originally had windows 8.1. If I was using UEFI boot option then my computer automatically logged onto the windows OS. So I was using ...
2
votes
1answer
271 views

How to initialize new disk for UEFI/GPT?

Background I'm setting up a new build, with all new hardware, tabula rosa. I want to have multiple Linux installations and common data partitions. From what I'e gathered so far, using new hardware ...
1
vote
0answers
119 views

How to stop grub from messing with my EFI partition?

I'm dual booting Windows 8.1 and Linux Mint. I decided to install the Linux Mint OS (Rebecca) onto an EXTERNAL HDD. So what I did was click "Something Else" during installation and I created 3 ...
1
vote
1answer
225 views

How to restore normal boot process after pacman update on EFI?

I just updated my system and upon reboot I've found myself in emergency mode. This is a dm-crypt+LUKS EFI system (thinkpad) using gummiboot. journalctl -xb reports that /boot could not be mounted. ...
2
votes
1answer
860 views

How do I dual-boot 2 (or more) Linux distributions with gummiboot and UEFI?

I have Arch installed as my main OS with gummiboot for booting. I'm planning to dual boot with Fedora 20 soon but I am currently held back by some doubts. Do I need to install Grub2 for Fedora even ...
0
votes
1answer
244 views

Gentoo: grub2 with efi [Solved]

I have a strange problem about loading with grub2 and efi on gentoo. Maybe I've missed something, but I'm trying to do this: # mkdir /media/gentoo # mount /dev/sda8 /media/gentoo/ # mount -t proc ...
3
votes
2answers
314 views

Easy way initrd to chain loading another kernel with kexec

I have here a machine which won't boot 64-bit kernels (it has efi32 with a little bit of... uncommon firmware). Currently, my only way to boot my 64-bit linux system is: Booting a 32-bit distro ...
4
votes
1answer
4k views

How to reinstall grub to the EFI partition after initially installing it in Linux root. Do I have to start over?

My machine was running Mint 15 KDE 64-bit (GPT partitioning, EFI bootloader without 'secure boot'), and I wanted to try Mint 16 before committing to it. So I installed it into another partition and ...
0
votes
1answer
2k views

UEFI installation failed Fedora 21

I have installed Windows 8.1 on my Lenovo laptop. When I configure partitions I receive this error: No valid bootloader target device found. For UEFI installation , you must include an EFI System ...
0
votes
2answers
574 views

Cannot load linuxmint after dual boot with windows 8.1 having efi firmware [closed]

I have acer laptop with pre-installed windows 8.1 so comes with efi firmware. I dual boot Linux Mint after changing efi to legacy and set bootloader installation of Linux to efi partition. Then I ...
1
vote
1answer
519 views

Create bootable hfs+ partition for macbook

I've installed Debian testing on a Macbook Pro (mid 2014) without keeping OS X on the internal SSD. I've used the following GPT partition layout: HFS+ EFI on /boot/efi BTRFS on / SWAP on swap I've ...
1
vote
1answer
170 views

Problems with installing Debian 7.7 on a Vaio laptop

I have a Vaio laptop (Model Number: SVF15218SGB). It had a Windows 8 on it when I'd bought it. After a few months, I decided to migrate to GNU/Linux. Thus I installed Ubuntu 14.04 on it (It was July ...
3
votes
4answers
2k views

Restore EFI boot partition

I am triple booting Ubuntu, Debian, and Fedora. When I installed Fedora from a liveCD I got excited and kept hitting next, not realizing I was not installing GPT, but rather LVM. After doing this I ...
1
vote
0answers
111 views

External drive EFI bootloader with Debian 7.7 Wheezy

I'm currently trying to install Debian 7.7 on a removable drive with an encrypted LVM from DVD-1 with a self contained EFI bootloader like the one the DVD uses - that is, the computer's HDD should be ...
0
votes
1answer
223 views

Mint 17 via EFI stub on 32-bit MacBook, keyboard doesn't work; fine with Grub bootloader

I'm not necessarily looking for a solution, although that would be great... mainly an explanation. On a MacBook 1.1 using rEFInd boot manager, if I boot Mint 17 Cinnamon 32-bit via the Grub ...
2
votes
0answers
333 views

Read Apple nvram

On Mac OS X there is a tool called nvram to get and set EFI properties. As I am now deploying GNU/Linux on Apple hardware, I'd like to have a similar tool that is able to talk to Apple's EFI ...
1
vote
2answers
1k views

Getting error opening Windows. Error 1: Filename must be either an absolute pathname or blocklist

I've installed CentOS 6.4 on UEFI machine. Created /boot/efi partition and installed grub in it. But when I open Other in the grub menu I get this error: Error 1: Filename must be either an ...
10
votes
0answers
1k views

When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?

I am reading some tutorials how to EFI stub (efistub) load the Linux kernel. These instructions often use kernel boot parameter add_efi_memmap. The intended hardware is Intel x64 having 8GB of RAM. My ...
2
votes
1answer
6k views

Arch Linux on an UEFI-GPT system with Windows 8.1 dual booting [closed]

I'm going to install Arch Linux on an UEFI computer. I've also Windows 8.1 installed and I would like to keep this operating system in dual boot with Arch. I should ask many questions, because this is ...
3
votes
1answer
658 views

Debian Jessie GRUB2 on a multi-boot EFI laptop cannot start a Gentoo kernel-initramfs

I have an HP Pavillion Touch 14-N009LA laptop running on an AMD A8-4555M CPU, 8 GB of RAM, and a 750 GB HD, currently running on dual boot Windows 8.1 accessible via the system's EFI boot manager, and ...
1
vote
2answers
253 views

Gentoo XEN host + EFI + MDADM + IMSM RAID5

I have a workstation with a working Gentoo setup. It uses IMSM FakeRAID (level 5) with 4 disks. Booting done without bootloader using Linux kernel EFI STUB. System works fine. Now I need to setup XEN ...
2
votes
1answer
538 views

UEFI bootable iso of own Linux distribution

I have a Linux distribution that I want to create an ISO of, so I can put it onto a CD or USB. I have earlier used Remastersys and Relinux to create my own linux distributions, but the ISO they make ...
1
vote
1answer
252 views

How can I chainload GRUB on another drive?

I have two pen drives. On one I have a full install of Arch GNU/Linux. This install is compatible with both EFI systems and BIOS systems; it has a GPT drive with a BIOS Compatibility Region and an EFI ...
11
votes
4answers
7k views

What should I do before dual-booting Windows 7 and Debian on EFI?

I'm about to purchase an Asus motherboard with EFI firmware and wanted to prepare myself for installing Windows and Debian once the hardware arrives. I was hoping that someone who has gone down this ...
3
votes
2answers
362 views

How to make a secure-boot compliant boot CD

I've found quite a bit of information floating around on the Internet about how to install Linux onto a harddisk and get Secure Boot to work with it. But I can't find a single shred of information ...
3
votes
1answer
187 views

Updating kernel versions when booting from rEFInd

I'm booting from EFI using the awesome rEFInd bootloader. I've so far had to configure boot myself by manually copying over my EFI-compatible linux boot image to my EFI partition and writing a ...
1
vote
1answer
440 views

Use some EFI loader to boot MBR

For compatibility reasons I had to install Debian via BIOS emulation rather than native EFI. As the EFI internal bootloader takes ages to look for bootable legacy disks I'd like to change the ...
0
votes
0answers
138 views

HP-UX itanium cannot log in or connect

I just had this problem where suddenly I cannot ssh into my HP-UX itanium, but still can ping. Few hours before that, I was still able to so. I tried to force reboot (Pressing the power button). Then, ...
2
votes
2answers
2k views

How to move EFI and boot partitions?

I am in the midst of moving these two partitions from sda5 and sda6 to sda1 and sda2 respectively. This is to allow me to have a contiguous space for the root file system to grow. The following is ...
7
votes
2answers
700 views

Determine what program is in my MBR code

I've done a lot of partitioning / dual booting on my Macbook Pro. Right now I have Mac OS X installed along with Ubuntu 12.04, with Grub installed on the Ubuntu partition. I am wondering - what is ...
5
votes
2answers
4k views

How to recreate EFI boot partition?

I've installed Fedora on my machine with / partition, swap partition and ESP partition for EFI booting. Now, I was installing Elementary OS instead of Fedora. I have formatted the / partition ...
0
votes
0answers
26 views

efibootmgr not found while grub-install --recheck on Arch linux install [duplicate]

I'm not an expert on linux. I've been used Ubuntu for a year or something. When I bought a new laptop (Lenovo G500) and wanted to install Arch Linux on this machine. I followed the steps of official ...
1
vote
2answers
4k views

I messed up my EFI boot, what do I do?

I have Debian Wheezy installed on my computer using EFI boot. It used Grub2 as the bootloader. I then decided to install Arch Linux, using EFI as well, on another partition and chose Grub bootloader ...
6
votes
1answer
10k views

Arch Linux GRUB install: “EFI variables are not supported on this system”

I am attempting to install Arch linux to a new (and very crappy) HP Pavillion 15 Notebook. This is a UEFI-based machine. After several swings at it, I have managed to get pretty far. Legacy mode is ...
3
votes
2answers
91 views

How can you configure a system to be bootable from most modern systems?

How can a Linux system be installed on a portable storage medium so that both BIOS systems (e.g. a ThinkPad) and EFI systems (e.g. a Mac Mini) can boot to it? The reason I ask is because I tried ...
1
vote
0answers
438 views

Grub - Windows Invalid EFI file path

I have 2 hdd, Windows on the first, I installed Mint on the second. This destroyed the bootloader so I used boot-repair to restore it. Boot-repair identified both OS. Now my fresh Mint install boots ...
0
votes
1answer
113 views

Fedora 18 not working on an HP Dv7

I've recently installed Fedora 18 on my brand new HP Dv7 that comes with Windows 8 and secure boot. Before install Fedora I disabled secure boot in the BIOS. I've installed Fedora 18 and all is ...
3
votes
2answers
2k views

Installing Arch Linux with UEFI Boot and GPT Layout

I'm trying to set up a dual UEFI boot Windows/Arch Linux, and have already installed Windows on a GPT layout through UEFI boot. I now want to fresh install Arch Linux using GPT layout as well, and was ...
1
vote
1answer
978 views

Linux Mint on laptop fails, gives grub error

I am trying to install the latest Linux Mint onto my laptop via a USB stick. The laptop previously had Ubuntu, and it had a separate /home partition. I'm overriding and reformatting the / partition, ...