The software that loads up the operating system or another boot-loader (chain loading).

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4
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1answer
577 views

Manually copying MBR from one drive to the other GPT drive and configuring GRUB results in booting failure

I run CentOS 6.4. I have SSD 300GB for system files and RAID10 8TB for storage + backup. SSD system drive is partitioned as follows: fdisk -l /dev/sdb Disk /dev/sdb: 300.1 GB, 300069052416 bytes 255 ...
2
votes
1answer
1k views

How to boot on Fedora 18 (Grub2)

I have Fedora 18 and Windows 7 on my laptop. I had grub2 bootloader and the default is been set to windows 7. After I turn on my laptop it just automatically boots into windows 7. Now I want to set ...
2
votes
1answer
84 views

what's the best way to chainload this

I have two disks. One contains windows and is a SATA-drive. The other one contains Foresight Linux and is a IDE-drive. Now I have installed extlinux as the bootloader for Foresight Linux. Now I ...
2
votes
2answers
447 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 * ...
3
votes
2answers
268 views

How to dual boot Linux and Windows from small boot drive?

I am a Linux newbie, and I am trying to dual boot Linux Mint with Windows 7. Right now, Windows 7 boots from a small SSD, which has little extra room on it. Is there a way to set up a dual boot where ...
0
votes
1answer
591 views

Grub with two hard drives

I am trying to install Mint14 on my machine having two hard drives : Samsung SSD PM830 SATA : 128 Gb ( sda ) - Windows 7 (i want to keep this) ST9500423AS ATA : 500 Gb ( sdb ) - ...
0
votes
1answer
196 views

How does kernel swapping / INT 13h interrupts work?

I'm looking for a way to learn about and understand this technique. Here's what I'm talking about: Slax boots, {does stuff, like copy itself to RAM}, then transitions control to the kernel/file ...
1
vote
1answer
250 views

Initrd : Were can I found the code for real-root-dev

I'm trying to customize my initrd on kernel 2.4. At some point, inside the file linuxrc, I have the opportunity to set my root device setting the /proc/sys/kernel/real-root-dev variable The example ...
2
votes
1answer
1k views

“error setting up gummiboot-efi” on Archboot UEFI install

I recently purchased an Aspire XC600, but am having trouble installing Arch. I haven't installed on UEFI before. I want Arch as the only OS on the disk. I wrote the Archboot x86_64 image to a USB ...
-5
votes
1answer
154 views

Boot - How does unix or linux boot? [closed]

How does the linux bootup process work? What is the file that is executed by the machine first to initialize all files and folders, like android, android use manifest for initializing?
1
vote
1answer
402 views

Installing GRUB from scratch

I am trying to make a scratch linux installation on a PC board that has an x86 processor running on it. It also has a compact flash drive on it to which I have copied my compiled kernel image. The ...
5
votes
2answers
1k views

How is a Linux kernel capable of accessing its assigned initramfs/initrd?

I'm trying to understand the boot process of a machine as a whole from the time you hit the power button. There's this one piece from bootloader to initramfs stage I don't quite understand among some ...
6
votes
2answers
2k views

Which Bootloader is Used on a Chromebook?

I installed ChrUbuntu on an Acer C7 Chromebook, and I am able to dual boot Ubuntu 12.04 and ChromeOS and to control which OS loads by default. I tried to edit the /etc/default/grub file and did run ...
2
votes
0answers
91 views

Debian boots on one Mac but not another

I'm trying to boot Debian from a USB Hard Drive (using rEFIt as a boot loader), and am successful on two newer-model MacBook Pros and a Hackintosh (no surprise there), but I'm not successful on ...
3
votes
1answer
275 views

How can Linux detect automatically if kernel must boot on dev hdc or hda

I have an industrial PC mounting Linux. These PC is delivered in two version, each with slightly different internal board and depending on the board type the disk inside the PC is see as hda or hdc. ...
2
votes
1answer
398 views

Chain loading kernel without a boot loader

I am working on an embedded project that will do in-place upgrades. There may come a time when an upgrade will need to reinstall everything. Since this is a pretty risky thing, I would like to have ...
1
vote
0answers
308 views

Copy live CD to RAM on boot

OK, so I've put together a live CD which uses isolinux as the bootloader. Any idea what magical option or switch I need to use to make it copy the compressed filesystem to RAM before mounting it? (Not ...
6
votes
2answers
895 views

Getting “NTFS5: No ang0” error message when booting Linux Mint

I am getting the following message as shown in the link below when trying to boot into linux mint 13. Try (hd0,0): NFTS5: No ang0 Try (hd0,1): NTFS5: No ang0 Try (hd0,2): NTFS5: No ang0 Try ...
3
votes
2answers
1k views

Linux on Hard Drive Partition, Bootloader on USB Flash Drive

How can I use a USB flash drive to boot Linux from a partition on (another) hard drive? I'm trying to install Linux on an encrypted partition on the hard drive (using LVM on LUKS). Since /boot must ...
2
votes
1answer
777 views

How can I get GRUB to configure my screen properly?

My screen says that it can't display the stream, and to use 1680x1050@60Hz as soon as grub would be loaded. I was told by #hardware on irc.freenode.net that this was due to grub missconfiguring the ...
1
vote
0answers
94 views

Change terminal resolution on Whiite (Wii Linux)

Is there a way to change the terminal resolution in Whiite (Linux for Wii)? All the answers I can find suggest editing grub configuration, but Whiite uses a custom bootloader instead of grub.
2
votes
0answers
836 views

syslinux / vesamenu.c32 - using highest available screen resolution?

I was wondering if there was a way to use the highest available resolution in the syslinux.cfg file? I know i can do: MENU RESOLUTION 1024 768 but without knowing available resolutions beforehand, ...
0
votes
1answer
234 views

What is the best procedure for setting up a triple-boot system?

I have a machine that I wish to install 3 operating systems on. The systems are, in no particular order, Windows 8, Ubuntu, and Backtrack Linux. Is there some document or step-by-step guide to the ...
1
vote
1answer
2k views

Move GRUB from USB to HD

When I installed Linux debian 2.6 and GRUB I managed to install it, the boot loader, on a usb flash drive. Right now, If the USB drive is plugged into the computer, the GRUB and the OS starts, ...
2
votes
1answer
153 views

Why do I have GRUB and GRUB2 in my boot directory?

I'm running F17 and my boot directory has grub and grub2. Why do I need both of these? I thought only one grub was required to boot. Does each one have specific properties?
5
votes
2answers
691 views

How to run a bootloader from Linux?

I want to reboot from Linux to another system (a bootable CD for my current need). I don't want to modifiy the current bootloader, nor to modify BIOS settings. Some Linux CD can be run from Windows ...
3
votes
2answers
3k 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 ...
3
votes
2answers
615 views

Is it possible for a CentOS system on EC2 to not have a bootloader?

I'm attempting to look for grub: [root /]# find / -iname "*grub*" /sbin/grubby /usr/share/man/man8/grubby.8.gz /usr/share/vim/vim70/syntax/grub.vim /usr/share/vim/vim70/ftplugin/grub.vim ...
3
votes
2answers
3k views

Why is GRUB 2 booting so slowly?

I have a small custom embedded Linux distribution (created with OpenEmbedded), which boots with GRUB 1.99. The aim is to have it start up fast. Currently it says: GRUB loading. for ~2+ seconds ...
3
votes
1answer
276 views

How to autoboot boot0?

How can automatically boot FreeBSD in boot0 and, when needed, manually load win by pressing a shortcut button?
3
votes
1answer
2k views

“Missing operating system” error on boot

I replaced Windows 8 with Linux Mint. After the installation had completed, I restarted only to face a black screen with missing operating system. I thought the problem was with Mint so I decided to ...
1
vote
2answers
1k views

Fresh Linux (Debian and CentOS) installation will not boot

I am trying to install either Debian or CentOS on a home server (Fujitsu PRIMERGY TX100 S3). I first tried installing Debian. The whole installation was successful (including grub). But after ...
5
votes
2answers
268 views

Should I use LILO or GRUB or other?

I am making a netinstall DVD which will have netinstall for 10 different Linux distros on it. I will need to install a bootloader on the disk so I can choose which distro I want to install. Which is ...
1
vote
0answers
148 views

Can you use grub to boot a RW partition file stored on a FAT32 HDD?

This is a bit tricky question. I have a Ubuntu 11.10 installed onto a USB 16GB Flash drive. I used the Ubuntu installer to do this. It runs great! Except the I/O is slow. I also have a 250GB USB ...
6
votes
2answers
10k views

How do I configure syslinux to boot immediately

I'm tweaking a Debian live system (built with live-build), and I want it to boot straight into the system from syslinux — no menu, no timeout. According to the syslinux documentation, a timeout value ...
1
vote
2answers
235 views

Prevent GRUB from showing up by default?

Whenever I boot on Ubuntu, I see the entire GRUB menu by default. Is there a way I could make it simply auto-boot if uninterrupted within X seconds? I remember that this was the case on previous ...
3
votes
1answer
2k views

How to dualboot Win7 and Chrome-OS on Netbook

I have tested Google Chrome OS (aka Chromium OS) using a USB pen drive, or more precisely Chrome OS Lime by Hexxeh. Since I like it I would like to install it along side of my pre-installed Windows ...
0
votes
2answers
2k views

Please explain Solaris boot sequence in detail

Its same question for Linux here at Please explain Linux boot sequence in detail but emphasis on Solaris style of things. I am preparing a document in detail showing light on the boot sequence of ...
12
votes
4answers
3k views

discribe in details tha boot process of any linux system

I am preparing a document in detail showing light on the boot sequence of Linux right from pressing of Power-on button the host to the login prompt appearance. It would be great if we could combine ...
-1
votes
1answer
398 views

Set Kernel Root to Same Partition as Boot

Running GRUB, I want to set the kernel root parameter to the same partition (or more generically, to a partition on the same device) as the disk with the bootloader. Initially, the install set the ...
3
votes
2answers
280 views

Grub and boot loader

What effect does setting a partition to active still have with common boot loaders. For instance if you install grub on the mbr, do you still need to specify the /boot as active, or does grub just ...
4
votes
2answers
230 views

How do I make sure grub is only installed once?

I currently have Windows on one partition, and Ubuntu on another. I'd like to install Quimo, and possibly Mint and/or Lubuntu as well. How do I make sure that only Ubuntu has Grub, and that the ...
3
votes
1answer
3k views

Why am I getting btx halted trying to install FreeBSD?

When trying to install FreeBSD 8 off a USB Drive (UNetBootin loaded) I receive BTX Halted when choosing any of the Boot options. Boot FreeBSD [default] Boot FreeBSD width ACPI disabled Boot ...
5
votes
1answer
1k 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 ...
6
votes
2answers
13k views

What is the “Bootable flag” option when installing a distro?

Is the "bootable flag" needed in today's distributions? If not, then Why is it still in the installers? What is it exactly?
3
votes
2answers
6k views

Windows Boot Configuration Data (BCD) viewer for linux

Is there such a thing as a Windows Boot Configuration Data (BCD) viewer for Linux? I understand that BCD files are 'like registry hives' and tools exist to read registry hives for Linux. Is there a ...
5
votes
2answers
209 views

Ignorantly dd'd /dev/sda*

I was trying to write an iso to a flash drive. I mistakenly thought that all /dev/sda* are flash drives attached to the system. I wasn't sure how to figure out which was which, so I just unplugged my ...
2
votes
1answer
452 views

Preparing a Linux image in a virtual machine

I am trying to set up a system to prepare a Linux system on a virtual machine and then deploy it onto an SD card. The target system has an Atom processor, so there aren't architecture compatibility ...
1
vote
2answers
818 views

hack mac g4 powerbook firmware to boot linux?

Is there a way to flash/hack/jailbreak the firmware for say a 15" G4 powerbook so that I can boot from linux live usb sticks? As it is many macs simply do not boot from usb, let alone usb sticks and ...
3
votes
1answer
4k views

How to fix possibly wiped MBR after centOS install?

I think I have messed this one up royally... I have done a clean install of centOS 5.6 (x86_64) on my system. I got through the installation process successfully and rebooted. Now I am greeted with ...