GRUB2 is the second revision of the GRand Unified Bootloader, with versions numbered 1.9x and 2.yz.

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Installation of both GRUB and LILO fails when installing Debian stable

I'm trying to install Debian stable on a 4th gen Lenovo Thinkpad X1 Carbon. I disabled UEFI boot and selected legacy boot instead (although the errors still occur if I enable UEFI boot), and also ...
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1answer
1k views

efivars data missing from procfs and sysfs

I'm trying to install ubuntu on a Tab-X 10.1 Intel WinPad. The UEFI loader only allows booting from 32 bit efi images. Ubuntu only supports UEFI in 64 bit versions. I'm trying to get the 64 bit ...
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1answer
9 views

Windows and Debian dual boot menu order?

I have debian(elementary os) and windows installed on my lap. In the boot menu, every time I'm getting debian os first and it will automatically load after 5 seconds. How can I change the order to ...
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203 views

Boot managers found by os-prober not shown at boot

I've recently made the move from Ubuntu to Arch Linux and could use some help configuring GRUB. When I run grub-mkconfig -o /boot/efi/EFI/GRUB/grub.cfg as per the instructions on the Arch Wiki, the ...
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Qubes does not boot on Fedora/Qubes dual-boot machine

My goal is to have a dual-boot of Qubes OS 3.1 and Fedora 23 Workstation (respin). This guy got it working on Ubuntu, but he installed Ubuntu first, while I installed Qubes first. The last resort ...
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Installed Centos 7 after Windows and can't boot into CentOS

I wanted to setup a dual boot for Windows 7 and CentOS 7 I had a Windows 7 machine with 500GB disk. I shrank the Windows partition to provide space for CentOS 7 (roughly 230GB). I created a USB ...
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1answer
29 views

NixOS installation on multi-boot system with GRUB (from Arch installation)

I have one physical disk (/dev/sda) which is divided in /dev/sda1 (which is /boot bootable GRUB2 partition used and setup with Arch) and /dev/sda2 which is my cryptroot that, when unlocked, is a ...
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+250

GRUB confuses kernels/initramfs of Ubuntu and Arch Linux installation

I have a machine that used to dual-boot Ubuntu (16.04 currently) and Windows 7, with Ubuntu's GRUB as boot loader. Now I just added Arch Linux as third OS, following the official installation ...
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1answer
1k views

GRUB no longer can boot the machine (different error messages)

When I boot from GRUB, I get various error messages from GRUB, apparently at random : "invalid arch independent ELF magic" or "incompatible license" or "file not found". I can boot from the rescue DVD ...
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1answer
2k views

Windows 7 boot option missing after installing CentOS 7, how can I get it back?

After installing Centos7, windows 7 is not showing at the boot time. Centos 7 is accessible. My boot folder entries: [root@localhost boot]# ls -ltr total 89176 -rw-------. 1 root root 2840084 Jun ...
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LXDE (Debian) doesn't start correctly after kernel mode setting (grub) Help!

Our brand new Debian server caused some java problems that made me test the boot option GRUB_CMDLINE_LINUX="nomodeset" After that, the server boots, I can also graphically login - and then nothing ...
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1answer
36 views

Verify integrity of EFI file before chainloading

Can I, in GRUB, configure it to verify if the EFI file it is going to chainload being signed (using the Secure Boot database) and refuse to boot if not signed? I had to disable secure boot for GRUB to ...
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1answer
44 views

Can you use grub2 to boot a CentOS 7.x Live ISO from a hard drive (vmdk)

I have a requirement to generate a CentOS 7 bootable ISO that I can boot from a virtual hard disk drive inside a VMWare VM (i.e a bootable .vmdk). These are the requirements, and alternatives are not ...
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1answer
2k views

How to boot kali from native usb

Last night I made a kali linux usb. Now this isn't the live usb I literally installed kali on the drive. I did this from my desktop which meant naturally I had to install the grub for my boot loader. ...
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1answer
631 views

How to make a GRUB Rescue Disc?

I am afraid that my GRUB is corrupted (I do a lot of experiments on my PC) and I know that I will not be able to reinstall Debian (downloading takes up a lot of time). Also, I am just 13 so I don't ...
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1answer
487 views

Installed Fedora 18 on UEFI machine, got lvm.mod not found error

I've installed Fedora 18 on UEFI system, when I boot the computer I get this error message: File "/EFI/fedora/x86_64-efi/lvm.mod" not found no server specified What should I do?
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109 views

Initramfs error installing Blackbuntu through Grub

I'm trying to install Blackbuntu through Grub. Once I click the ISO in grub it displays the Blackbuntu loading logo, but then I get this error: Initramfs error: unexpectedly disconnected from boot ...
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8 views

grub rescue hangs on ls command

I accidentally deleted my Ubuntu partition and reinstalled Ubuntu from a USB drive. But every time I reboot the computer, I go immediately to grub rescue> Having read other threads on this forum, I ...
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2k views

arch linux- error:failed to get canonical path of 'airootfs' (grub to USB installation)

I'm trying to install arch-linux for the first time. everything was OK till I tried to install "grub" boot-loader to a USB drive. I am working by the WIKI ARCH LINUX guide. both of this commands ...
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0answers
28 views

Elementary OS Grub install failed

I'm trying to install Elementary OS on my PC via a bootable DVD, and whenever I try running the installer, I keep getting the message ACPI PCC Probe failed. Assuming that this is a graphics issue, I ...
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2answers
50 views

boot problem in linux

I have unfortunately format drive /dev/sda2. So all the /root,/home,swap LVM no longer exists. Because of this my server is unable to work properly. it shows only dracut#>Dracut Error: [ OK ...
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1answer
2k views

Grub 2 os prober for windows 8

I try to use dual boot with fedora 20 and windows 8. I install first windows and then fedora. And grub dedectet automatic my windows. So the default \etc\grub.d\30_os-prober for windows is this: ...
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32 views

Fedora 23 no longer bootable (GRUB: Minimal BASH-like line editing is supported.)

I have a dual boot on my laptop with Windows 10 and Fedora 23. Both were installed in EFI mode. It's been working fine, but I had to set the boot order to prioritize BOOTX64.EFI for it to start ...
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1answer
35 views

Centos 7 and Windows 10 Dual Boot Grub Not Saving Last Choice

I have a dual boot system with CentOS 7 and Win10. My install was totally vanilla (CentOS then Win10) and went fine. Everything is great except that grub does not appear to save my "last" choice ...
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1answer
16 views

Ubuntu 15.10 Live CD login appears sporadically after I disconnect and reconnect the Internet carrier cable for the Lenovo Think Station

I would like to find out why the Ubuntu Linux 15.10 Live CD login appears sporadically after I disconnect and reconnect the COMCAST Internet carrier cable at the back of the Lenovo Think Station ...
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2answers
1k views

Unable to boot Windows without USB in

I recently attempted to install ubuntu 14.04 on a USB flash drive so I can use it on the go. I burned the ISO to a CD and booted it by doing try Ubuntu without installing, and then I clicked install ...
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1answer
25 views

Is it possible to use Grub to run an EFI binary?

On an efi system it it possible to run arbitrary efi binaries. Especially I can use the efi shell (one efi binary) to run grub (another efi binary). Is it also possible to use grub to run for ...
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1answer
32 views

Allowing GRUB to access network in BIOS mode

I want grub to fetch some configuration via tftp/http. Using efi I can do insmod efinet and net_ls_cards will list my network cards which I can configure and use. Using PXE in BIOS/legacy mode ...
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1answer
8k views

Elementary OS installation failure

I've been trying for a few hours now and I still cannot find out why I cannot install Elementary OS. Every time I try to install it I get: the 'grub-efi' package failed to install into /target/ ...
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2answers
24 views

Bootloader Grub2 - delete partition where ubuntu resides

I have a dualboot with the following two Os's: Windows10 Kubuntu And the bootloader Grub2 What happends with the bootloader if I delete/formats the partition where Kubuntu is installed? Does it ...
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4k views

Windows 8.1 not showing up in GRUB bootloader after installing Linux Mint 17.1 on partition

my system drives are based on these hardware parts 1: SSD 250 GB 2: HDD 1TB 3: External HDD 2TB I use my SSD for Windows 8.1 and all other related stuff, like, installing software etc. The HDD is ...
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1answer
29 views

I am stuck with the next step to setup a dual boot for Windows 7 and Arch Linux

I am trying to configure my laptop so as to be able to dual boot Windows 7 (64Bit) and Arch Linux. The laptop on which I want to do that came pre installed with Windows 7. The installation consisted ...
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GNU Grub version 2.02 Failure Grub Rescue (Kali Linux)

I Had a Dual Booted PC Which had a Kali Linux (Debian Based Linux) and Windows 8.1 since 4 Months it was Running Fine as a Normal PC, But Unfortunately, today i ran into a Error while opening the PC ...
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1answer
22 views

Install Mint and Ubuntu on separate drives: how many grub installers needed?

I would like to setup a dual boot system using Mint and Ubuntu, with each on a drive of its own. Would I install each as a distinct OS with its own grub installer, or will they have to be on just one ...
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2answers
511 views

UUID vs /dev/sdX in FSTAB

I have Linux system in which we force /dev/devname for running the system. proc /proc proc defaults 0 0 /dev/sda1 / ext3 ...
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1answer
2k 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 ...
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2k views

How can I boot the PC-BSD live DVD-ISO IMAGE directly via GRUB2?

Via the loopback command, GRUB2 allows to directly boot an ISO file. Now, I've configured the according menuentry to boot the PC-BSD Live DVD ISO, but when I try to boot it, the FreeBSD bootstrap ...
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1answer
835 views

Building a UEFI bootable USB

I'm having a really hard time getting Mint13 installed on my new laptop, no optical UEFI support and having odd corruption of grub.cfg when I do try and use UNetbootin. Is there a method to build a ...
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2answers
325 views

Password protect Grub2, but still allow normal boot

I have seen this link , but I don't have grub.conf in the first place. His situation is the inverse from mine though. This link explains quite a fair bit on Grub2, but I am still clueless as to how ...
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3answers
15k views

How to install Kali linux on to a specific (existing) partition on a USB stick

I'm endeavoring to put Kali linux onto a USB stick - I know it's already written up, but I'd like to use only a portion of the total space (the aforementioned link will use the entire drive space). ...
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2answers
2k views

grub menu not showing in dual boot Linux mint 17 & windows 10

I know that this is a common problem but my situation is a bit different. I had a perfectly working Linux Mint 17.2 and Windows 10 in dual boot with grub menu showing and giving me options on what to ...
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25 views

grub --version command shows grub (GNU GRUB 0.97) ,but if I go to the /boot/grub folder I find grub.cfg which is the configuration file of grub-2

In su mode if i give the command Holmes ~ # grub --version grub (GNU GRUB 0.97) But when I go to the /boot/grub folder I find Holmes ~ # cd /boot/grub Holmes grub # ls device.map fonts ...
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21k views

GRUB-EFI installation fails while installing Kali Linux in external hard disk

I was trying to install Kali Linux from a live USB to an 1TB external hard disk. At first I was unable to boot the live USB with my H2O Insyde BIOS. Then I converted my pen drive partition table to ...
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2answers
5k views

Dual booting Debian and Windows 8?

My problem is a little weird (maybe to me only). Specification: Lenovo, Ideapad Z510. i7 intel core. 1920x1080. ISO: GNOME Debian 7.2.0 amd64. Bootable Device: Universal USB Installer. ---Process ...
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1answer
8k views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
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2answers
8k views

GRUB2 and kernel vga= parameter

According to the documentation, use of the vga= kernel parameter is deprecated as of GRUB2. The fact that some newer kernels don't seem to support it anymore on certain adapters is of no concern as ...
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1answer
62 views

How does a bootloader actually hand off to a kernel?

Assume I have a bootloader with a kernel and initrd line. For all intents and purposes, I now have 2 or 3 stages of "kernel" going on: firmware grub (or other bootloader) actual linux kernel The ...
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2answers
27 views

Load old Ubuntu Linux after fresh Linux Mint install

I had Ubuntu and time ago I installed Linux Mint. During installation there was no option for alongside install, so I chose the manual option for the install to empty the partition (mount point /). ...
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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 ...
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2k views

Grub - boot debian iso file from ntfs partition and install it

I have problem installing debian directly from hard drive. Say, i have a logical partition /dev/sda5 and there is debian DVD iso file located in (hd0,5)/iso/debian-8.0.0-amd64-DVD-1.iso with initrd ...