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Questions tagged [boot-loader]

A boot loader (aka bootstrap loader) is the program that loads up the operating system kernel (or another boot-loader), e.g., GNU GRUB, LILO, SYSLINUX, or rEFInd. Use this tag for questions about installing, configuring or trouble-shooting software that is used to load Unix-like operating systems. Questions about boot loaders on Android or iOS devices are generally off-topic and are better asked on android.stackexchange.com or apple.stackexchange.com.

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GRUB changes are not applied

I am trying to hide the GRUB menu on Linux Mint 19 Cinnamon. I edited the grub file using and entering my admin password twice gedit admin:///etc/default/grub Then I edited my grub file to look ...
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1answer
52 views

Using Label in grub on Debian 9

I installed my server with Debian 9 and Grub with a LABEL. In my /etc/fstab I see My label as followed: LABEL=root / ext4 errors=remount-ro 0 1 /dev/sr0 /media/cdrom0 udf,...
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Boot Process with LILO bootloader

I just want know what happens in the background when these commands are executed mount /dev/root / ro mount /dev/sdax / ro How does it find that / is mounted on sdax?
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Computer wont load [duplicate]

Ive tried to download Kali linux, but it kept returning errors when it got to the step of installing the grub bootloader, so i skipped it. Everything else installed fine, and got no more errors after ...
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0answers
36 views

Are WiFi, audio, video modules included in the kernel?

I have an old netbook based on WM8880 SoC (https://laptop.fossee.in/) which used to run lubuntu 16.04 (customised heavily by the fossee team) via Uboot bootloader fairly well, one fine day it said I ...
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1answer
31 views

Grub2 install failed with “unable to identify a filesystem in hotdisk… safety check can't be performed”

On a VM-ware insatnce, I am trying to install grub2 bootloader onto a brand new SCSI disk. I want to install it onto the disk's MBR. I run sudo grub-install /dev/sda and got the error "unable to ...
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1answer
36 views

Linux not booting

I have build my linux image with elbe linux build. This produces an image which can be copied to a filestorage and can be run. This works well if I use the output image and copy it with "dd"-command ...
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40 views

Can I move any partition freely when using UEFI?

In BIOS, booting is two or three stages, both of which will end up calling the final-stage bootloader code in the boot block of a partition. Is that the reason why I need to reinstall GRUB2 when ...
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2answers
50 views

Will it work if I switch the boot disks between two laptops? [closed]

Generally, if I switch the bootable disks of two laptops, will both of them be able to boot into each other's OS? If not, what is the reason that it is not possible? Differences between CPU ISAs, ...
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50 views

Installing Mint 19.1 - bootloader

0 I have 2 Hard disks. first = Windows XP, Windows XP64 second = Linux Mint 17.3, Windows 7 I want to install Linux Mint 19.1 over the old Mint 17.3 The system boots with: Linux Mint (default) ...
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2answers
33 views

Debugging boot performance issues in grub / before kernel logging starts

My PC takes a long time booting. I have reason to believe it is caused by delays after grub, but before kernel logging starts (booting takes 30 seconds, but dmesg messages have time stamps between 0....
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1answer
111 views

Is UEFI a bootloader as well as a replacement of BIOS?

Does this laptop with Lubuntu 18.04 have a bootloader installed and use it? If not, what does it use instead? What is its booting process like? Does the laptop use UEFI instead of BIOS? Is UEFI a ...
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What program(s) is stored in a small partition on my hard drive with flags `bios_grub`?

My old laptop uses BIOS. It came with Windows installed, and later I installed Ubuntu by overwriting Windows. What program(s) is stored in a small partition on my hard drive with flags bios_grub, ...
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1answer
17 views

U-boot messages regarding partition switches not understood

I am using a BeagleBone board with the default Debian image flashed to the internal emmc. I'm trying to understand the U-boot messages below that I get over serial when the device starts, especially ...
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1answer
114 views

grub2 error disk 'hd0,msdos1' not found, ls shows no disk

I have googled a lot for this problem. I found this, but it didn't solve my problem. Other solutions suggest me to reinstall grub (run grub-install), which didn't work either. Here is what I am doing:...
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1answer
116 views

Recreate bootloader fails with 'cannot find EFI directory'

I setup debian 9 for a friend of mine. Now I got the laptop back and no bootable media is found on start. I booted from the usb drive I installed from using the live mode and followed these steps: ...
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1answer
43 views

Linux boot error, ACPI Error: no handler for Region?

Recently, my Linux mint cannot boot up. And with the error message I have searched a lot. And tried to edit /etc/fstab file to mount root partition but it didn't work. I suspect that my SSD hard ...
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0answers
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Dual hibernation with two distros

I have three operating systems installed on my ThinkPad T450, in this order: Win10, Kubuntu 18.04, Fedora 29. Both Win10 and Kubuntu are installed on primary partitions, and F29 on an extended ...
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1answer
52 views

Installing bootloader to separate partition [closed]

I'm taking an online course and was watching some videos on the Linux Boot Process. The "instructor" mentioned you can install the boot-loader on a separate partition than the MBR and have a pointer ...
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0answers
48 views

How can I boot to an SD card from a USB stick?

So I have an old laptop(Samsung NP300E5A) without an HDD but with an SD card slot, a 16GB SD-card, a spare 2GB USB stick, and a wish to keep using that laptop. I want to install Ubuntu or something ...
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0answers
32 views

gdm3 not loading at boot

I am trying to get Symless Synergy version 1.8.8 to autostart when my Ubuntu 18.04 client desktop boots up. I have followed these instructions carefully, but Synergy only starts after logging in. ...
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2answers
243 views

Windows 10 item does not show up in GRUB menu after installing openSUSE

I installed openSUSE Leap 15 alongside my Windows 10 on same hard drive but in an allocated free space. I expected the dualboot option, but the Windows 10 item doesn't show up in GRUB menu at all. ...
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1answer
123 views

Boot loader not working, Grub Rescue Mode is showing instead [duplicate]

i used to have kali linux with my windows 10 on dual boot mode hosted by kali grub bootloader. Both OS had their seperate memory in partition. Recently i went to my windows OS and removed/cleared the ...
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0answers
21 views

JTAG'ing firmware into imx28

My goal here is to load a custom kernel and initramfs into the memory of the wink hub 1 based on imx28 dev board and boot it using the bootm command from u-boot shell. So, I downloaded the u-boot ...
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1answer
99 views

Flashing U-boot on beaglebone black

I got a beaglebone black which comes with u-boot linux preinstalled on the emmc. For the sake of learning I want to put u-boot on the flash myself and build linux from scratch. I have compiled u-boot, ...
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0answers
36 views

Steps to Boot Linux from USB on Windows 10/Linux Dual Install [closed]

I'm interested in a high-level view of booting Linux from a partition separate from Windows using a USB bootloader. My work computer must have Windows 10 on it because of company policy. IT is ...
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5answers
6k views

How did Linux/xBSD boot before GRUB?

According to Wikipedia, GRUB was released in 1995. By that point Linux and xBSD existed for several years. I know early Unix versions were tied to hardware in the 70s and 80s, but Linux and xBSD were ...
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0answers
964 views

Add Prime OS (Android_x86_x64) to grub menu

I have debian dual boot with windows and try to install prime os also, while install it i didn't install it's grub because i have debian grub, but after installation i can't found it in grub . ...
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2answers
46 views

Does the bootloader load the kernel fully into memory

I read that the bootloader (Grub, or U-boot etc. ) locates the kernel (from maybe the HDD, or even flash memory if it's an embedded system) and loads it into memory on startup. Now, does this mean ...
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1answer
283 views

additional LUKS partition does not mount on boot

I am attempting to add a new LUKS encrypted hard drive to my 18.04 setup. I already have 3 drives (2 of which are RAID) that have LUKS and they work fine - when my computer boots, I get prompted to ...
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1answer
20 views

Hang after bootloader, looking for device

I tried to copy my bootable partition (e.g. sda1) from a removable drive to my internal drive (e.g. at sdb2) for an openSUSE 42.3 installation. It took me a bit of time to correct the bootloader ...
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1answer
225 views

How do I install a live ISO on an SD card so it boots anywhere?

How do I install (NOT live-persistence) an xNIX live-iso onto an sd card? I want it to be able to boot on most machines. In depth: I've burned a pendrive with parrotsec 4.4 64 bit to install parrot ...
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1answer
333 views

How to boot linux kernel from network through GRUB2 console?

My test hw, on which I want to boot, is MinnowBoard Max Turbot which is an x86 machine with UEFI and so far, I have successfully built GRUB2 from source and it successfully boots kernel from USB. ...
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0answers
81 views

FreeBSD 11.2: how to resize the boot options menu on a UEFI/GPT/ZFS machine?

Is there a way to resize the boot options menu in Freebsd 11.2 on a UEFI/GPT/ZFS machine (zfs-on-root)? On multiple machines, the installation resulted in the boot options menu being rendered in a ...
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1answer
30 views

Both Windows & Ubuntu on HDD and installation USB won't boot now

This old DELL laptop originally comes with Windows 7, then I installed Ubuntu some time last year. Ubuntu has been unable to boot or install or LIVE any linux distros since this April, I've tried same ...
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1answer
78 views

Is there a way to prevent root user from modifing kernel and boot loader?

Suppose that a regular linux machine is compromised by an attacker who obtained a root shell, he can modify the system kernel or modify boot loader to load another kernel. Is there a way to prevent ...
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2answers
180 views

Bootloader installation failed

I am trying to install Debian in ASUS P2440UA laptop. Previously I was using Windows 7 and Linux Mint in dual boot without any issue (for 6 months). But I decided to format whole hard drive and ...
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1answer
94 views

Problems with linux mint boot

I had already this problem with sparkylinux. Trying to install this other distribution I broke windows, so now I'm trying to install Linux Mint using a USB. It all works but when the installation ends ...
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0answers
112 views

GRUB2 won't install into MBR from chroot

I got a blank screen after the "Welcome to GRUB" greetings. I ran grub-install and grub-mkconfig from a chroot, but still couldn't get to the GRUB menu. Because of the setup (former dual boot with ...
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1answer
58 views

Is ISOLINUX on DebianStretchDVD1ISO extensible in any way without remastering - what can you do with it besides boot /install.amd/vmlinuz?

GRUB on USB/Hard Disk is extensible in the sense that once you install to MBR/partition you can mount ISO using loop and boot of the ISO. Additionally it has many modules like ls and cat that are ...
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149 views

Is Linux able to perform any kind of Measured Boot?

Some Linux-distro's support Secure Boot. (These distro's use a 1st-stage bootloader signed by Microsoft.) Is Linux (without any additional modules) able or is there any Linux-distro out there that is ...
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1answer
56 views

Why am I not able to insmod or run any GRUB commands from a Debian Stretch DVD?

I can only run the rescue, install, graphical install, and so on with boot parameters. I am not able to insmod ls or echo and I can't change/edit the initrd to some-other-file. What is it about this ...
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0answers
41 views

Creating from scratch a bootable M2 disk with backed up image of lvm partition with Linux Mint

I had created an dd image of lvm volume and I would like to restore it on a new pc. The older one is not available right now. On my old computer, I had 120Gb ssd with something like this: /dev/sda1 ...
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1answer
85 views

Change UEFI boot order from busybox

After generate a new efi boot entry with efibootmgr: # efibootmgr -c -g -L "Debian (EFI stub)" -l '\EFI\debian\vmlinuz' -u "root=UUID=955548bd-9c77-4893-8633-3a5e7966dfc9 ro quiet rootfstype=ext4 ...
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1answer
250 views

Unable to make Grub2 boot Kali with LVM+LUKS [duplicate]

I need to dual boot Win10 and encrypted Kali in an UEFI system. Booting windows is not a problem, i will add an entry in GRUB later, the problem is that as i power on the machine, GRUB loads ...
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1answer
58 views

GRUB Partion Naming Conventions

In the GNU GRUB info pages in the Ubuntu 16.04 LTS distro, the naming convention for partitions seemed straight forward with the following definition: (hd0,msdos2)   Here, 'hd' means ...
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2answers
383 views

Edit Grub menu without additional tools

i have a triple boot system with ubuntu, debian and windows. grub and the grub menu was installed after the install of ubuntu. is there a way to edit the order entries and there names without ...
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1answer
46 views

How do I boot a bootable .bin file from a CD/DVD?

I have written a bootable program in assembly and compiled it into an .bin file. I want to make it boot from a CD/DVD. How to do that?
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0answers
20 views

How to get Linux install on USB to show in Mac Startup Manager?

I started off by installing the full version Kali Linux on a USB drive. I went through the graphical installer and repartitioned the USB with /home and swap partitions so this isn't a Live USB, just ...
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1answer
700 views

Grub Rescue Mode - /boot/grub directory does not exist

I have gone through a lot of questions and answers related to grub rescue but I am having a different problem which I am not able to understand. As per some of the answers, I tried following steps to ...