Questions tagged [mbr]

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3
votes
1answer
568 views

How to detect if the FreeBSD disklabel is on the first sector of the disk?

I have attached a FreeBSD disk to my Linux machine. How to detect if the disklabel(aka bsdlabel) is on the first sector of the disk or the PC MBR is on the first sector of the disk and disklabel is ...
3
votes
2answers
347 views

Lost everything after using install-mbr

I was dual booting Windows 8 and BackTrack5 but I erased the MBR while using easyBCD. So I tried this… sudo install-mbr -i n -p D -t 0 /dev/sda1 /dev/sda1 was the primary partition in my ...
8
votes
3answers
3k views

Linux/GParted can see partition table but dd bs=512 count=1 can't

I have an MBR formatted sd card and when connect to a Linux machine (xubuntu 12.04) it can mount a partition and parse the file system (as can GParted). However, when I try to read the MBR from the ...
-2
votes
2answers
7k views

Can I delete the MBR from GRUB? [closed]

Can I delete the Master Boot Record from GRUB? If so, how?
5
votes
1answer
2k views

fdisk, dd, and the Rapsberry pi

I was trying to wipe my 4GB SD card which acts as the hard drive for the Raspberry Pi, so I went into Mac OS X Disk Utility* and Erased the entire disk, and specified that the whole disk be one big ...
4
votes
2answers
2k views

Where to find the VBR on the /dev/sda1 partition?

I have one built-in hard disk /dev/sda which looks like this: Disk /dev/sda: 160.0 GB, 160041885696 bytes 255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors Units = sectors of 1 * ...
11
votes
4answers
40k views

Moving /boot and MBR to a new drive

I have a CentOS 6 server with two hard drives in it. My old 3TB drive has been giving me some issues so I'm moving things over to a new drive. Because my / and /home partition are managed by a LVM ...
2
votes
2answers
494 views

Can I safely resize my partition from its beginning?

Currently dual booting Windows 8 and Linux Mint 14, sooner or later I will give more space to my Linux system. Is resizing my Linux partition from the beginning a safe operation ? If yes, could you ...
7
votes
2answers
2k views

Determine what program is in my MBR code

I've done a lot of partitioning / dual booting on my Macbook Pro. Right now I have Mac OS X installed along with Ubuntu 12.04, with Grub installed on the Ubuntu partition. I am wondering - what is ...
35
votes
5answers
157k views

Remove GPT - Default back to MBR

I keep receiving this error: Warning!! Unsupported GPT (GUID Partition Table) detected. Use GNU Parted I want to go back to the normal MBR. I found some advice here and did: parted /dev/sda ...
4
votes
2answers
5k views

How to restore GRUB after windows XP installation?

After I've installed windows xp for dual booting, I need to restore grub of my archlinux installation. I did it a lot of times with windows 7, but this time heavens decided to torture me. I have ...
1
vote
2answers
1k views

Fdisk partition alignment, NAND, not showing specified heads

I ran fdisk with these options, fdisk -H 32 -S 32 /dev/sdc Then I made a new label, and created an aligned first partition. Disk /dev/sdc: 7743 MB, 7743995904 bytes 32 heads, 32 sectors/track, ...
1
vote
1answer
115 views

Location on disk to write a byte-flag?

I am writing an update utility for an embedded Linux device for which I am responsible. I'm creating a basic side-by-side setup, where updates are applied to a staging partition and then the ...
2
votes
4answers
9k views

Unable to boot the operating system

I installed Lubuntu 11.10 and it run without problems. I decided to install Ubuntu 11.10 mini instead of Lubuntu 11.10. After the installation the operating system didn't boot. I only saw the black ...

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