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

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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 ...
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2answers
52 views

After reinstalling Linux Mint, Windows 7 does not boot

I had a dualboot setup in my computer: On one side, Linux Mint ( /dev/sda2 ), on the other, Windows 7 ( /dev/sda3 ). I ran into some weird problems with Mint, so I decided to install the last version ...
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1answer
15 views

Cant boot to Kali linux [duplicate]

have installed the operating system successfully on my laptop that has Win 8.1 pre-installed. (With this guide) After restarting the computer, windows 8.1 loaded instead of grub bootloader, so I have ...
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51 views

Kali linux black screen after booting

I've managed to install kali linux from USB but after I try to boot it I get only black screen (after GRUB). It works great when I run only live sesion from USB. I am using MSI GS70 2PE notebook which ...
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0answers
17 views

grub2 lvm2 raid1 /boot

Is it possible to boot from a system where /boot is located within an lvm2 raid1 partition. I've tried a variety of configurations, but I have yet to discover how to do it. I am using two 2TB disks. ...
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0answers
32 views

How to restore RAID5 Array

I have a RAID5 array consisting of 3 identical 2TB drives. Suddenly GRUB wouldn't boot anymore and gave the error out of disk. Eventually booted a livecd and ran some mdadm commands: mdadm --examine ...
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17 views

can I use vmlinux instead of vmlinuz with GRUB2 (Fedora)?

Can I use vmlinux instead of vmlinuz with GRUB2 (Fedora)? I've seen this: Can vmlinux be used instead of uImage? but it speaks of U-Boot, not GRUB2.
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30 views

No GRUB menu after installing Linux Mint 17

I installed linux mint 17 alongside Windows 8.1. When asked about the partition to use as "Reserved boot area"...I chose the 100 mb partition which was listed as "EFI System Partition" in Windows ...
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13 views

Grub menu doesn't show setup option

I am new to Ubuntu. I had to reinstall elementary off a USB. I Thought it had installed, so I restarted. When the reset was done the grub screen appeared, so I selected normal boot. After that the ...
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0answers
9 views

Configure where GRUB2 environment block is located

I have Arch, Ubuntu, and GRUB2 installed on a BTRFS filesystem. I'm aware that GRUB cannot write to BTRFS for a variety of good reasons, and therefore cannot save environment variables to ...
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0answers
31 views

Ubuntu Grub recognises MacOS but cannot boot up

I tried a little experiment on installing MacOS on a non Mac Hardware Laptop... Got this far as to put the MacOS Install ISO on to an HFS+ partition but the machine needs to boot this up for the ...
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0answers
25 views

Where isoboot, boot=isolinux iso-scan/filename parameters are documented?

I see example (in dracut docs) linux (loop)/isolinux/vmlinuz0 boot=isolinux iso-scan/filename=$isofile root=live:LABEL=$isolabel ro rd.live.image these texts: ...
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2answers
278 views

Installing other Linux in an encrypted disk

I recently got an SSD to replace my laptop's HDD and decided to change and use "full disk" encryption. I created a small unencrypted partition for /boot and an big encrypted LUKS partition where I ...
2
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1answer
347 views

Grub with retina displays (high resolution)

I currently use Ubuntu on my macbook pro with grub. My macbook has a retina display with 2560x1600 resolution. The grub startup screen font is so tiny that it is barely readable. How can I make grub ...
0
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1answer
70 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 ...
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37 views

Problem dual booting windows 8 and ubuntu 14.04

I had windows 8 for like 12 months Yesterday I choose to install ubuntu 14.04. On windows 8 I had 2 partitions C(where windows was installed) and D(other ntfs partition). I shrunk D with 50 GB then I ...
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95 views

Grub environment block on Centos 7 with efi?

How do I modify the default or next-boot boot entry for the next reboot on Centos 7? I need to switch back and forth between kernels frequently. The machine is in a different room, so it is most ...
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0answers
14 views

Grub error recovery

I have a Windows 7 installation with two drives, C & D. I use a disk image app called Keriver to get back my Windows installation once it starts acting up. Keriver creates a boot loader with the ...
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1answer
76 views

Multiple boot: Windows-10 along Linux?

On a computer running for the long term Linux Mint 17 Xfce (ubuntu 14.04) along Windows 7 I have created another two separate partitions with the purpose of installing for the short term other systems ...
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71 views

Can Grub2 multi-boot LUKS/LVM distros with only one boot partition?

There are many tutorials on the internet for multi-booting unencrypted distros using a single boot partition and chainloading. For example, booting 145 OSes. Likewise, there are tutorials for ...
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1answer
26 views

Initialise USB devices before hard disks during grub2 boot

I have a CentOS installation on a portable USB stick, with a grub2 installation on it's first partition. The system can boot when there are no internal hard drives plugged into a machine, but fails if ...
0
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1answer
507 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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13 views

Grub2 pops up window when using theme

My linux distro is Fedora 21, I configured grub2 to use the default theme:             /boot/grub2/themes/system/theme.txt' It works well ...
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1answer
53 views

How to generate grub.cfg for different disk?

I have 2 disks: 1-st disk contains base operating system (/dev/sda with many partitions and OSes) 2-nd disc should be setup (/dev/sdb1=/boot,/dev/sdb2=/) I have grub2 package installed in the base ...
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1answer
92 views

How to change grub black screen

I'm using dual boot Linux Mint 17.1 Cinnamon and Windows XP. So I want change grub2 black screen and I've tried to install gfxmenu theme for grub but it is not working; I see it's not installed in ...
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1answer
22 views

How can I generate two Grub2 entries for each kernel?

Due to bugs in my laptop's BIOS (or some such thing), I use the boot flag nox2apic when I know I need to attach an external monitor. However, when this flag is enabled, pressing some multimedia ...
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30 views

Restore GRUB on Fedora 20

I had a nice dual-boot Windows Technical Preview/Fedora 20 thing going on, but when I updated to Build 9926 Windows saw fit to remove my Fedora entry from my BIOS's boot options and I can't get it ...
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1answer
35 views

how /etc/grub.d/41_custom is supposed to work?

I am asking, because fragment of file /boot/grub/grub.cfg looks like ### BEGIN /etc/grub.d/41_custom ### if [ -f ${config_directory}/custom.cfg ]; then source ${config_directory}/custom.cfg elif ...
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12 views

Is it possible to use “submenu” command in grub2 embedded config?

I want to enumerate all partitions of my hard drive, and include /boot/grub/grub.cfg file from each partition as a submenu. And I want to do this in embedded config file. This way all partitions will ...
0
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1answer
65 views

Kali Linux Live (Try before installation) won't install GRUB or LILO

I want to install Kali Linux but the original installation makes my PC hot. I use cpufreq-selector -f 1000000 to cool down my PC, but when I use the live option, GRUB or LILO won't install. Do I have ...
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3answers
99 views

Need to reinstall GRUB2, but it requires me to boot into unbootable system!

I had Window 8 and Linux Mint. Mint broke and I installed Antergos. Now I lost GRUB completely and I have to use Windows Boot Manager to boot into Windows. So I used Boot Repair CD to try to fix that, ...
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2answers
17 views

Is my server still using a grub-legacy (GRUB 1) MBR?

When Debian updated to GRUB 2 (package grub-pc), it didn't automatically upgrade the MBR. Instead it configured the old GRUB 1 installation so that it will chainload GRUB 2; that way administrators ...
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1answer
57 views

Start server after stuck at GRUB

I currently have Ubuntu Server 14.04 and sometimes when I reboot it gets stuck on grub selection without countdown. It is the same problem as here, but I want to fix it remotely because I am not home ...
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81 views

Multibooting in Secureboot mode - vmlinuz invalid signature

My system has Windows 8.1 installed by default. I installed LinuxMint and openSUSE later. The problem is that if I use the openSUSE bootloader (GRUB2), it is able to load Windows but not Linux Mint. ...
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88 views

grub2 cannot boot windows (EFI) - Invalid Sector Size

I've been booting my Fedora 20 / Windows 7 Home Premium system using Grub2 for quite some time now. But after updating the system after ~9 months of no updates, I can no longer boot into Windows 7. ...
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1answer
58 views

Fix grub v2 bootloader configuration on running debian

We have a server running Debian Wheezy. It is connected to a UPS, that's why it basically never went down for years and we never noticed that the grub v2 bootloader could not load the correct kernel ...
0
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1answer
135 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. ...
0
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1answer
111 views

rebuilding my grub2 menu based on my one installed kernel

tl;dr : I have one kernel now on fedora and want that ONLY with Windows 8 to show up on my boot menu. I've been tweaking and geeking with linux kernels. Then I wanted to clean up my boot menu. So ...
13
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1answer
854 views

mistakenly deleted /boot folder and rebooted

I mistakenly deleted the /boot folder from my filesystem, rebooted, and all I get now is this: error: file '/boot/grub/i368-pc/linux.mod' not found. grub rescue>
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1answer
44 views

How to delete temp folders created for live booting?

I have followed this document for live USB creations for opensuse13.2, https://wiki.archlinux.org/index.php/USB_flash_installation_media. Accidentally, i have used sd instead of sdx, hence it created ...
5
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1answer
439 views

Grub-install: embedding is not possible in Bios/GPT

I am struggling with setting up an encrypted NAS for some days now. The basic plan is to have btrfs on lvm on luks on raid1 with lvmcache in writeback mode thrown in for the root partition to reduce ...
0
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0answers
14 views

How Do I Replicate Current Grub2 Install?

I've installed Linux in the past alongside Windows 8.1, and I've had problems. I tried several times until I got Grub2 to be installed correctly and display Linux and Windows 8. My Linux Mint Debian ...
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0answers
9 views

Recovery boot after installed windows on Centos 7 [duplicate]

I try to Recovery the boot grub2 after install Windows, on Centos 7. I try this: Rescue mode with DVD Centos 7 chroot /mnt/sysimage grub2-install --force /dev/sdxx, Code: grub2-mkconfig -o ...
1
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1answer
236 views

Path `/boot/grub' is not readable by GRUB on boot. Installation is impossible. Aborting

Whenever I try updating grub, I get this error: # grub-install /dev/sda Path `/boot/grub' is not readable by GRUB on boot. Installation is impossible. Aborting. and # grub-mkconfig -o ...
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1answer
82 views

Grub Installed On Hard Drive after ElementaryOS Install on USB?

This is my situation: I put the ElementaryOS iso on a 16gb USB I installed ElementaryOS on another 32gb USB via the installation process When the 32gb USB is not in, the machine goes to grub rescue. ...
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122 views

What file system should a GRUB 2 boot partition use?

I want to install GRUB 2 to its own, comparatively small (500 MB), partition. Are there any requirements on what file system type it has to be? Are there any that, although possible, are not ...
1
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1answer
103 views

new motherboard, old disk: “Gave up waiting for root device”, dropping to initramfs; grub reinstallation doesn't help

I want to use a new motherboard with an old disk. The disk has just one partition, with Debian/jessie installed. On booting, Debian is found and begins to start up with usual dmesg output lines. After ...
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27 views

install grub from grub bootable cd-rom

I want to install grub from grub bootable cd-rom. I found the instruction to make grub bootable cd-rom at ...
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0answers
30 views

grub rescue, no device found

I'm using the Live CD as my "main-OS" for 2 days, because I can't start Linux Mint, I've tried many solution on the internet, all of them failed for me... It's probably because I have an old SATA HDD ...
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2answers
2k views

“warning: File system `ext2' doesn't support embedding.” but my system isn't embedded either, why is grub trying?

I'm reading myself for the release of Jessie on Debian, so I'm extra cautious (should be said paranoid) about any message that can cause problems, namely warnings. My system is a desktop with Debian ...