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

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Redirecting stdout and stderr still prints to stdout

I'm getting an some kind of error at the VGA console when I make a configuration file for grub (at least I think it's an error), with grub-mkconfig -o /boot/grub/grub.cfg I tried to redirect stderr ...
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797 views

Permanent grub 2 configuration on debian 8 “jessie” installation on Asus X205TA

I am attempting to run Debian Jessie on an Asus X205TA. I do not have access to internet. I am having difficulty creating additional install media (separate issue). My configuration is as follows: /...
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2answers
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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3answers
5k views

CentOS grub2 booting iso via loopback

I've got a usb-key setup to multi-boot different Linux images. I'm trying to add CentOS, here's a post with similar entries for grub.cfg set drive_label=multipass01 set isopath=/iso menuentry "...
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1answer
40 views

Installed GRUB in legacy mode, how do I reinstall it in EFI mode?

I recently installed Kali on my Win 10 machine. Win 10 boots in EFI. I don't know how, but I somehow managed to install grub in legacy mode. Now I always have to switch between legacy and EFI in the ...
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1answer
193 views

GRUB doesn't find /boot in LVM

My system was installed with the Antergos installer and it runs encrypted GRUB. This works fine, just have to insert decryption key twice. Then I added LVM and created three LVM volumes, boot root ...
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1answer
39k views

How do I update grub in Arch Linux

In Ubuntu we use below command to update grub : # update-grub But how do I update grub version 2.00 in Arch Linux ? `
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1answer
19 views

System unbootable - grub error: disk lvmid not found

I'm gettind this error at boot: grub error: disk 'lvid/caoMWu-o417-GMgh-6vFj-1qrw-iJMi-ypwm0f/Z2eotR-N0HN-nrol-3hUd-odMB-GzHy-4PrsnL' not found. Entering rescue mode.. I can't even get the ...
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0answers
24 views

grub rescue no such partition

Single HDD, one partition with Win10, second with Debian (installed with dedicated /boot, main and swap) and a large shared NTFS partition. Windows required refresh, so I booted into the Windows ...
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1answer
131 views

Unable to boot after installing after systemd update

First it repeats this error many times: Lvmetad is not active yet, using direct activation during sysinit Volume group "mint-vg"not found Cannot process volume group mint-vg Than it shows: Gave up ...
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1answer
3k 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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1answer
31 views

Fedora doesn't boot since 4.5.7-202: grub shows only a blinking cursor

I have a Thinkpad 460s with dualboot: Fedora and Windows. I am using grub2 as a bootloader. 4.5.7-200 boots fine, but 4.5.7-202 and the newly released 4.6.4-201 doesn't boot up, grub shows a blinking ...
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3answers
57 views

Most efficient way to deploy an OS on multiple of the same machine?

I have learnt about the dd cmd, this does the job perfect as one can create an image of a HD(with an OS already installed) and write it to other HD's. The problem with this method is if you had a 2TB ...
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2answers
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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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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1answer
15 views

unetboot linux mint live drive boots grub2 instead of unetboot

I screwed up big time, I have installed linux mint live disk on my flash drive via unetboot on an virtualised linux mint of another computer. When I transferred the usb drive to my main computer, it ...
3
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1answer
885 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 ...
8
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1answer
153 views

Where in GRUB2 source code is the handover/jump to kernel code?

I'm looking for the line of code where GRUB2 finally jumps to kernel code and thus hands over execution on x86 systems? I guess it's in an assembler file since this is very low architecture stuff. I ...
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1answer
22 views

How to set default GRUB configuration file

I am booting four operating systems: Windows 7, Ubuntu, Kali Linux, and Linux Mint. They were installed in that order, with Linux Mint most recently and Windows 7 first. I am able to edit the /etc/...
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1answer
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
42 views

Change resolution of text console

I bought an xps laptop with a 4k screen. Because of this, the font-size of my text consoles (Ctrl+Alt+[F1-F6]) are quite tiny. So I tried to change the resolution by editing /etc/default/grub like it ...
2
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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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29 views

Got only Microsoft reserved and Microsoft basic data partition ? How can I boot into Windows 10 from grub2?

I only got these partitions: Disk /dev/sda: 55,9 GiB, 60022480896 bytes, 117231408 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (...
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0answers
25 views

My system boots in the grub command line

I have Ubuntu, Arch and Windows installed. The grub which was used to boot an OS was the one of Ubuntu. Yesterday I installed FreeBSD and my intention was to install it in-place of Ubuntu. The grub ...
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3answers
950 views

Check installed grub2 modules

I run CentOS 7. Is there a way (e.g., a command) to check which grub2 modules are currently installed?
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1answer
19 views

Arch linux not being added to grub2

I'm installing Arch Linux alongside an existing Elementary OS & Windows 10 on an EFI system. So I already have grub2 working and therefore had to be cautious when installing Arch as I didn't want ...
0
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1answer
38 views

Install new Linux distribution without overwriting GRUB2

I already have Linux installed. GRUB2 is installed to the MBR of /dev/sda. I want to install a second distribution, but don't want to overwrite the previous GRUB2 instance. What place should I choose ...
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8answers
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How to correctly set up the right GRUB 2 default menu entry?

I'm running GRUB 2.00 on a Gentoo Linux system. I compile my own kernels manually, and then I install them in /boot with make install. I have the following kernels in /boot at the moment: # ls -1 /...
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1answer
49 views

What can cause GRUB2 to suddenly not be recognized by EFI?

I have two hard drives in my PC. The first one contains an ext4 partition with Debian, a swap partition and the EFI partition for Debian. The second hard drive contains Win8 and it's EFI partition. ...
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0answers
16 views

Set GRUB `elevator=deadline` scheduling to a single device

I'd like to set my secondary drive to deadline. Is it possible to do it via GRUB, but leaving the primary drive as cfq? A script after booting would suffice in my case, but I'm interested in the GRUB ...
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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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28 views

Booting via grub (Ubuntu) with encrypted LVM

I've been obliged to install Ubuntu with ~everything encrypted (not just the home partition). Machine is a laptop with a single drive (/dev/sda) which I've partitioned thus: /dev/sda1 = FAT32, ...
2
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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 ...
2
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1answer
127 views

how to use grub-uboot

On an ARM-based device, I'd like to chain-load uboot->GRUB->Linux I see there is a Debian package that seems to be made for that, however I can't find no documentation whatsoever how to use it (ie. ...
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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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0answers
27 views

How can I boot DragonFly BSD (HAMMER) with GRUB 2 on a MBR disk?

I have a box with one MBR-partitioned disk. It has two primary partitions, Windows 7 and DragonFly BSD 4.4.3 (using HAMMER), and one extendent partition with Linux Manjaro. GRUB 2 is the ...
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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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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 ...
2
votes
1answer
927 views

Grub returns File not found when booting on a new disk with Debian Jessie

I installed Debian Jessie on a new hard disk, and wanted to boot from this new disk. At the end of Debian setup, I choosed setup Grub also. But when booting, Grub falls into rescue mode with a File ...
3
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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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14 views

Booting CentOS 7 with classic grub

I'm trying to setup a new virtual server with a web host whose hypervisor platform doesn't support the use of Grub 2. So I need to setup classic Grub to boot my CentOS 7 VM. Is this possible? I've ...
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1answer
24 views

clean method to handle multiple operating systems on multiple disks

I am looking for a flexiable or clean method to handle multiple operating systems installed on multiple disks on my machine. I find myself having to regenerate grub quite often. Here is my disk ...
2
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2answers
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
49 views

How to boot via grub2 rescue promt on UEFI system?

I installed Ubuntu 16.04 by booting from a USB, choosing "Try Ubuntu without installing", and then inserting another USB and directing the installer to install there. I told the installer to instal ...
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2answers
1k views

Arch Linux gets stuck on boot

I followed the Arch Linux Beginners' Guide up to the section Unmount the partitions and reboot. After rebooting (I use grub as bootloader) without the quiet parameter, I get the following output: ...
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3answers
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Windows boot option is missing after installing CentOS 7, how can I get it back?

I recently installed CentOS 7 on a machine that has been running Windows 7. I did a dual boot installation and installed CentOS in a partition. But when I boot up my machine, it only gives me two ...
2
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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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1answer
17 views

Same grub menu for two GNU/Linux distributions

I have Xubuntu 14.04 and BunsenLabs installed on my PC along with Windows 10.I installed Xubuntu the last so it installed grub onto the MBR.I then set it up to have Xubuntu as the default boot option ...
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0answers
93 views

BusyBox on persistent USB Livesystem

I fiddled a bit with creating a Live USB stick for creating a LFS system on my new computer. To make this easier I wanted to store some persistent data on it as well (settings, GCC, make and such ...
0
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1answer
19 views

linux distro won't boot after installing alongside existing linux distro

I have an existing working version (the one I am writing from) of Linux Manjaro on /dev/sda2 partition (root) as can be seen: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 931.5G 0 ...