Questions tagged [mbr]
The mbr tag has no usage guidance.
197
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kernel panic not syncing unknownblock (0,0) for Mint & Kali after installing Linux Mint
This is what my disk looks like right now :
I have installed Windows 11 on the PC.
I then decided to install Kali Linux to learn cybersecurity (please don't tell me "if you're asking this ...
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2
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Does erasing the MBR will touch the partition table?
If I run this dd command to blank the first bytes of a MBR, will it have an effect on the current partition table of this disk (or just on grub)? Will the partitions still be recognized?
dd if=/dev/...
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Does BIOS MBR limit linux distros installments?
Long ago I've installed Windows 7 in legacy (BIOS) mode with MBR (why? who knows) and made 4 primary partitions, one for Windows and the others for files. Later I've changed one primary into logical ...
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I want to completely switch from windows 7 to Linux
I am switching from windows to Linux and want to do manual partition. I have a MBR disk.
I want to delete windows 7 so can I delete the system reserved windows partition and the rest of the drive?
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sfdisk/parted: predictable/predefined partuuid for msdos partition table
When GPT is used partition ID can be set with sgdisk
$ sgdisk --partition-guid=1:"00000000-0000-0000-0000-000000000000" "/dev/vda"
$ readlink -f /dev/disk/by-partuuid/00000000-0000-...
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How to fix "Bad magic number in super-block"
I try to move all data from one SSD to another SSD. The old SSD is 500 GB, and the new SSD is 1000 GB.
Firstly I've created a backup:
dd if=/dev/nvme0n1 | gzip -c /media/ubuntu/local/backup1.img.gz
...
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1
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179
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Triple boot MBR with GRUB avoid Windows Boot Manager
I installed a triple boot system (Windows 10 Home 21H1/Windows 7 Pro/Debian 11), on three different partitions on a partitioned disk in MBR, and at boot I can start each system without problem. But in ...
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ZFS On Linux - recover lacked MBR after physical problem
We had a physical problem in our backup server (we suppose an electrical shock due to the thunderstorm). The system is Linux Debian on a disk and the storage in on a two 4 TB disks RAID-1 ZFS (ZFS On ...
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How are partition numbers (sda1, sda2, sda3, ...) determined?
In my experience, partition numbers have nothing to do with the physical ordering on the disk. And a newly created partition tends to have a larger number.
How are partition numbers determined? Are ...
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How to add boot sector to Seagate Video HDD
The internal HDD in my Inspiron 1525 laptop isn’t working so I am trying to install Arch on an external HDD, namely a Seagate Video 3.5 HDD.
I created a DOS partition table of an ext2 boot partition, ...
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How can I clone from 1TB MBR ssd to 4TB GPT ssd?
I have a raspberry pi with a 1TB hard drive. I managed to fill it up, so I purchased a new 4TB hard drive to replace it.
I then used software called "Macurim Reflect" to clone the previous ...
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Unable to mount EFI partition because of "wrong fs type, bad option, bad superblock". lsblk doesn't show UUID, while cgdisk does. MBR/GPT problem?
The backstory to this question.
After erasing crypto_LUKS headers as specified in frostschutz's answer, I tried following this guide again. I got stuck at mounting Mac's EFI partition to /mnt/boot ...
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448
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What are the detriments of not setting MSFTDATA flag when making a exFAT partition?
I have several external HDDs that I backup data to and occasionally plugin internally when I need access to the data.
I erased all partitions by making a new GPT partition table on the disk.
I made a ...
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Make disk bootable while mounted on running VM
So I used RSYNC to backup all the files from a VPS I have that runs on my providers platform to a local disk attached to a VM I have running here. The disk where all the files went to is a separate ...
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3
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Can't write SD card partition table
I can't write the partition table on an SD card. IOCTL error. I can't delete it, either, neither in Linux using parted, cfdisk, or fdisk, nor in Windows, which just says format didn't work. The ...
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Do MBR partition numbers need to be contiguous?
I am partitioning an external 1TB HDD for a small embedded Linux system. I want to encrypt the swap partition. According to the cryptsetep FAQ, you need to use kernel device names (/dev/sda, etc) in /...
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Install and boot Linux from a logical partition
I know GPT is the solution but I inherited a machine that has already fully used the 4 Primary partitions:
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 ...
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702
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Can you use MBR with UEFI - a question about the UEFI specification
I am reading through the UEFI standard: https://uefi.org/sites/default/files/resources/UEFI_Spec_2_9_2021_03_18.pdf
On page 115 section 5 it discusses the GPT disk layout. I'm a bit confused as to ...
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658
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Does Coreboot/SeaBIOS support GPT partition table?
Few days ago, I flashed my x230 with coreboot with this tutorial.
Now, while I was installing Funtoo using its GPT-Partitioning guide (not using MBR-Partitioning),
I got following error:
EFI ...
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1
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manipulating the protective MBR on a GPT disk
I would like to add an empty partition of type 0x00 to the beginning of the protective MBR of a GPT-formatted disk. I've found a way to do this, but the method relies on fdisk enhancements not ...
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3
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fdisk output: "new DOS disklabel"
I have a question about what is happening here. Does "a new DOS disklabel" here mean a DOS partition table has been created? In other words, that a DOS partition table has been created by ...
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258
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Backing up MBR/GPT for detecting boot sector viruses
After installing Linux on a computer (Debian in particular), should I bother backing up the MBR or the GPT and use something like monit to periodically compare the MBR/GPT against this backup? Is this ...
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357
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Booting a 2-partition Windows 10 installation from GRUB2 command-line
I'm using a GRUB2 prompt after booting from a Linux rescue USB flash drive (finnix-123) - trying to boot my Windows 10. It is on an SSD with MBR rather than GPT, with two partitions: one of about 100 ...
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How do you configure GRUB to boot EFI files?
Typically I use a GPT disk and would use systemd-boot to manage things, but I'm working with an older computer, so I have to use GRUB2.
I'm using a USB stick to run two OS: Pop OS and Ventoy. What I ...
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298
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Where is GRUB stage 2 located on my bootable compact flash, according to the Master Boot Record?
I'm trying to understand where GRUB stage 2 is located on my bootable compact flash. Below is the output of the file command which was run against an image of the MBR (first 512 bytes) of the compact ...
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922
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What does fdisk's Start and End values mean when looking at a compact flash
I'm analyzing a compact flash using fdisk and by comparing it to the contents of the partition table on the CF's master boot record. I don't understand what the "Start" and "End" ...
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789
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MBR converted to GPT based system, how to boot Linux and Windows
How to boot GPT based system to Linux and Windows? This is not a question of starting from a fresh GPT based system, but starting from a MBR converted to GPT based system.
My Asus laptop initial setup,...
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244
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Increase disk size and change from MBR to GPT
I have a CentOS server on VMware that has, among others, a disk of 1.5TB, with a single xfs partition using the whole disk. This disk/partition is running out of space, so I need to increase its size ...
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568
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Cannot boot (any more) from MBR SSD drive even if legacy BIOS is enabled
The situation is simple to describe in fact:
A MBR-partitioned Kingston SSD of 1TB containing Windows 10 and Kubuntu was moved to a new (HP) laptop: in order to boot there, legacy support had to be ...
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A Debian 10 UEFI disk and another Debian 10 MBR disk are on the same computer with NO dual-boot. Can I then select any disk in the BIOS to boot on it?
A reseller is creating a new computer for me. It will have an UEFI Debian 10 on it.
He will also add an old MBR Debian 10 disk on it, I will provide to him.
This disk is only here to ensure that I'm ...
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init unable to find root device on computer in restoration
I'm a bit out of solution on this one :
I am restoring an old computer (15 years old...), which was running archlinux.
I have inadvertently erased the pacman package database (and all /var ...), and I ...
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Clarification onMaster boot record size limitation
I am reading up a bit on Master Boot Record layout and I was particularly interested in how the partition layout causes a size limitation on the size of the storage that can be used on a device with ...
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Issue with MBR / Grub
Some issue with my hard disk -- when mounted inside the laptop, the system is booting into a black screen.
Even when I change the boot preference to boot with a usb stick, its still getting stuck at ...
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System boots with MBR, but not with GPT
I have a Linux image made with Yocto that boots on a Pocketbeagle. For the learning experience, I'm trying to move it to using GPT.
For MBR, I am using the following beaglebone-yocto.wks description:
...
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Linux boot process
OS: GNU + Linux
Boot partition: /dev/sda1
After the MBR makes its decision on which is the active partition (boot partition), it gives control to the Kernel Boot Loader, generally GRUB, to load the ...
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create partition error manjaro installer
I am installing Manjaro with dual boot Windows 10. I created a '/' partition and a swap partition from a 200 GB unallocated space. When I hit install, it shows an error and fails to create partitions. ...
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GPT to MBR: gdisk overlap
I have a 256GB NVMe SSD drive and this is other system drive, which my friend converted from MBR to GTP.
This is my output. I used gdisk to convert GPT to MBR, but I have a problem.
Problem: MBR ...
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2
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156
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How can I properly install Debian on a laptop that used to have windows? (There is probably a problem with MBR)
I recently broke the screen of my Lenovo Ideapad 110S-11IBR, so I decided to use it as a NAS device.
After I tried to install a Debian-based NAS operating system I ran into a problem: Even though the ...
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Problems dual booting - W2019 Server, CentOS, rufus, Dell Studio 1557
I have an oldish Dell Studio 1557 laptop (decent enough - 1TB Samsung SSD, 8GB RAM) on which I've installed Windows Server 2019 Standard from an .iso. I only used about 350GB for the Windows install.
...
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Can I mount a gpt disk with ntfs partition on an mbr booted linux system
System: Linux Mint 20 x64 cinnamon booted on mbr formatted disk.
I inserted a new hdd containing a gpt and a ntfs partition (next to a small MSR partition, which doesn't matter here I guess). GParted ...
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installed debian in a multi hard disks environment but when I restart I get "operating system missing" message
I have 4 hard disks installed:
ssd with windows;
hd with other stuffs;
hd 1TB where I installed debian;
hd with windows home.
I installed debian in the third hd, creating 3 partitions inside it:
...
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696
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How do I start a Windows 10 partition on a MBR partitioned disk on a system that otherwise uses GPT/UEFI GRUB?
Okay, let me explain. This is a UEFI computer. It has two disks. The primary disk is partitioned with GPT and boots via GRUB2 to an Arch Linux partition. The secondary disk is partitioned with MBR and ...
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480
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Need help restoring a corrupted folder
I have a mechanical hard drive that I was trying to access files on. I bought a cheap SATA to USB adapter. Said adapter was underpowered, and I could hear the platter revving up and down. I made the ...
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405
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Problems with dual boot in an old pc (pentium 4) without UEFI
I write all of you because I have expended two weks trying to solve this problem, I have seen a lot of youtube videos and read a lot of forums but I cannot fix this.
I want to clarify that I'm only a ...
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How can I boot from that ntfs file?
I have file system called *.ntfs, I ran the file program on this file to get information about it, and here is the output:
DOS/MBR boot sector...
I want to boot from that file system file, how can I ...
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3k
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Linux live USB - Why does ISO 9660 partition cover the entire USB stick?
I've been examining the Ubuntu 20.04 and Fedora 32 live images, and saw that the first (ISO 9660) partition is set to cover the entire image (at least on the MBR's partition table, didn't check GPT ...
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246
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Cant make use of grub-mkimage
I am trying to create portable grub mbr with grub-mkimage to chainload as bootsector from windows. But when booting I get stuck at a black screen with bold "GRUB" and blinking curser. No key ...
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585
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Command to list partition type codes in deb and rpm distributions for MBR and GPT
Is there any command to list all partition type codes recognizable by currently installed
distribution (In my case Ubuntu 18.04.03 LTS)
I know the following website exists Andries E. Brouwer 1995-2002 ...
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636
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Can a disk partition have another nested inside it?
I am trying to better understand disks, partitions, and partition tables (mbr vs gpt). In the process I checked the disks on one of my machines (single boot ubuntu 20.04), and found that all of my ...
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Accidentally modified MBR; can't boot to Linux anymore
I'm a dual boot user running Windows 10 and Kali linux. I rebuild the MBR by mistake using partition wizard. Now I lost access to my linux
I lost swap area menu but I still have the partition
I tried ...
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