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

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32
votes
9answers
4k views

What is the /boot partition really for?

I'm reading a relatively old text on Linux partitions and file systems (the LPIC 1 Certification Bible). It says: Some versions of the Linux boot loaders cannot access a kernel that is outside ...
25
votes
3answers
33k views

Installing Grub 2 on a USB flash drive

MultiBootISOs is a tool that let you install Grub on a USB flash drive. I really like it because it lets me boot from ISO files and let me put a bunch of ISOs on my USB and choose which one to boot. ...
14
votes
4answers
4k 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 ...
15
votes
2answers
174k views

Recovering from 'grub rescue>' crash [closed]

Originally posted to AskUbuntu.com ... AskUbuntu has adopted a policy of closing questions about EOL (End Of Life) versions. There's a vocal contingent to remove them as well. To prevent ...
10
votes
5answers
32k views

Installed Centos 7 after Windows and can't boot into CentOS

I wanted to setup a dual boot for Windows 7 and CentOS 7 I had a Windows 7 machine with 500GB disk. I shrank the Windows partition to provide space for CentOS 7 (roughly 230GB). I created a USB ...
9
votes
2answers
22k views

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 ...
14
votes
3answers
28k 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?
21
votes
7answers
1k views

Why do most distributions chain UEFI and grub?

Most distributions install a additional boot loader on an UEFI system. UEFI itself is a boot loader, it offers a menu to select different operating systems or individual kernels. Furthermore, the UEFI ...
5
votes
2answers
245 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 ...
4
votes
2answers
270 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 ...
2
votes
2answers
267 views

How to move the bootloader from a hard drive to a usb stick

I've decided to move my Debian bootloader and /boot from the hard drive to a USB stick. I'm using LUKS to en/decrypt my hard drive and the bootloader is the only unencrypted partition. How can I ...
2
votes
2answers
2k views

Filesystem for boot partition

I created a BIOS boot partition on a hard drive, using gdisk : $ sudo gdisk /dev/sdb Command (? for help): p Disk /dev/sdb: 7821312 sectors, 3.7 GiB Logical sector size: 512 bytes Disk identifier ...
1
vote
0answers
196 views

How to fix the error warning failed to connect to lvmetad no such file or directory falling back to internal scanning in ubuntu 15.10

I need help with my Ubuntu laptop which was working fine until recently. My desktop disappeared and all the desktop icons are gone. All I have access to is the terminal. In an attempt to fix the ...
1
vote
0answers
1k views

saving file to usb stick while using linux boot stick

I am using the instructions in this youtube video to install CentOS 7 on a new computer that is running Windows 8. The tutorial uses UniversalUSBInstaller from PenDriveLinux, but the installation is ...
1
vote
2answers
339 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 ...
8
votes
10answers
49k views

Install rEFInd on OS X 10.10 Yosemite

I want to dual boot my macbook with Arch Linux and thus tried to install rEFInd using the install script, however, after install rEFInd doesn't seem to start at all? Anyone experienced the same issue ...
7
votes
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 ...
4
votes
2answers
4k views

How do I backup my partition table?

I just bought a new laptop with Windows 8 preloaded but without an actual Windows disk. I would obliterate the whole thing, but I need to use Visual Studio for one of my classes and the most recent ...
18
votes
3answers
3k views

FreeNAS grub2 booting ISO

I've got usb-keys setup to multi-boot different Linux images. I wouldn't mind adding FreeNAS, and there's a doc with samples to add to grub.cfg menuentry "FreeNAS-8.0.4-RELEASE-x64" { insmod ufs2 ...
6
votes
2answers
2k 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 ...
3
votes
2answers
2k 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
2answers
1k views

Laptop boots directly to Ubuntu, can't access BIOS or Boot menu anymore

I'm running Laptop with single OS: UbuntuMATE 15.04 Beta1 64bit on Toshiba laptop Core i3. After burning "Elementary OS" on a live USB drive using UNetbootin, what happened is: -After reboot, laptop ...
2
votes
1answer
2k 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 ...
2
votes
1answer
1k 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
2answers
3k views

Ext2 filesystem for /boot partition

Is the ext2 filesystem good for /boot partition? I set ext4 for / root partition, but wasn't sure which filesystem to select for the /boot partition, and I just set ext2. Does it matter in this case?
0
votes
2answers
108 views

Warning while Booting into Ubuntu

Recently, I installed Kali Linux 2.0 as a third OS on my Dell Latitude E7240. I used Unetbootin to make a bootable USB of Kali Linux. When I booted from it, it gave me options I wasn't used to. I ...
0
votes
0answers
378 views

System Boot Order not found (Secure boot is not enabled)

I have this problem http://forums.fedoraforum.org/showthread.php?t=299306. Although this thread is not mine, I experience this problem in familiar way. Also when I put live CD, it cannot boot from the ...
0
votes
1answer
2k views

CentOS 6.4 Kickstart bootloader problem

I am installing CentOS 6.4 via a kick start file that looks like this in my build: # install the bootloader (GRUB) bootloader --location=mbr --driveorder=sda --append="crashkernel=auto" After the ...
-1
votes
1answer
154 views

Can not mount drive after installing windows vista

I have searched for weeks now and have not found an answer to my question. Hopefully you guys can give me a push in the right direction :) Ok, here is what happened: I have linux mint on a 1.5 TB ...