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

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1answer
27 views

How do I run the Linux kernel?

I'm reading Robert Love's Linux Kernel Development in order to learn more about, well, Linux kernel development! But in Chapter 2: Getting Started with the Kernel, I'm instructed to download and ...
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5answers
31k 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 ...
3
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1answer
4k 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 ...
2
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1answer
2k views

How to boot kali from native usb

Last night I made a kali linux usb. Now this isn't the live usb I literally installed kali on the drive. I did this from my desktop which meant naturally I had to install the grub for my boot loader. ...
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0answers
186 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 ...
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0answers
12 views

Elementary os boot issues [closed]

I tried to install elementary OS and it failed (grub-install). Now when I try to boot into windows(8.1) it starts automatic repair and then I get stuck on a screen with just the mouse. I'be tried to ...
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2answers
27 views

Redundant U-Boot images

I'm currently working on an embedded system which uses a NAND flash as it main storage. Bootloader + Kernel + rootfs are written to it, and we are looking for ways to make our system more robust to ...
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0answers
19 views

Centos 7.2 Convert single LVM to RAID Mirror Reinstall BootLoader

I am trying to convert a single-drive Centos 7.2 installation with LVM into a two-disk mdadm mirror with mrrored LVM. I was able to follow the excellent instructions at: ...
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0answers
10 views

Stop Ubuntu on Macbook from booting into OS X from external drive

I have Ubuntu (Lubuntu) installed on a MacBook which has two external hard drives connected to it. One of the partitions on one of those drives is a bootable backup of an OS X machine. When I reboot ...
3
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1answer
2k views

How to access u boot environment from linux?

How can I access and change the u-Boot env variables in linux. Using the u-boot/tools/env directory in u boot directory: u-boot$ make env Which created the executable file fw_printenv. I copied ...
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2answers
2k views

File system CRC check

I know that before running the kernel, u-boot (the boot loader) will check the kernel image CRC. Only if it is correct it will go further, else it will give a "Bad CRC" error. I want to do same thing ...
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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 ...
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2answers
327 views

Password protect Grub2, but still allow normal boot

I have seen this link , but I don't have grub.conf in the first place. His situation is the inverse from mine though. This link explains quite a fair bit on Grub2, but I am still clueless as to how ...
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2answers
1k views

Boot iso file through uEFI by calling EFI executable inside the iso

I want to create a USB stick that I can use to boot multiple iso files. I want to do this through uEFI. The usb stick would look something like this: /EFI /bootx64.efi /something.conf /isos ...
4
votes
1answer
3k 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 ...
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1answer
1k views

Install Kali Linux on RAID0 (as dual boot Windows 7 & Kali)

I’m currently trying to install Kali Linux on my laptop as described here. The problem is I’ve a laptop (MSI GT70) with a Raid 0 (2x 500Gb) and Windows 7 installed on it. At the point where I’ve to ...
2
votes
1answer
62 views

How does a bootloader actually hand off to a kernel?

Assume I have a bootloader with a kernel and initrd line. For all intents and purposes, I now have 2 or 3 stages of "kernel" going on: firmware grub (or other bootloader) actual linux kernel The ...
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1answer
3k views

Arch Linux Live USB no longer booting UEFI

My Lenovo laptop is running Arch Linux with a UEFI GPT partition table. One day I powered up my laptop, but couldn't get passed the Lenovo boot screen. I used a USB stick to boot up and reinstall ...
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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 ...
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0answers
30 views

Linux kernel root= parameter

I'm trying to make a portable distro of linux on a 16MB SD card. I have a 2.4 kernel and extlinux as a bootloader. How can I pass the root= parameter to the kernel that the distro would be still ...
0
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1answer
10 views

How do I hide the rEFInd boot text?

After I select an OS to boot to in rEFInd, it prints boot target and its options before booting. Is there a way to disable this behavior?
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1answer
2k views

Separate /boot partition on USB

During standard Debian install i decided to go with implementing additional security factor which is /boot on separate USB key. In Debian guide I've found it is only put this way. ...
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2answers
93 views

Blank 'Grub Boot Menu' when changing boot options

I was having the issue of a black screen on Ubuntu restart and startup. It seems like my monitor is somehow disconnected when I start Ubuntu because I get 'No Signal Detected'. I started following ...
0
votes
1answer
63 views

GRUB error- no suitable video mode found

I recently made an LFS and made some changes in GRUB. I added the update-grub command. I'm able to set background color and highlight color. But when I add a custom theme- update-grub gives- ...
0
votes
1answer
60 views

Single SD card install for Debian Jessie on Armv7 architecture?

I'm pretty new to this whole deal. I have an Odroid C1. I recently created a home-server from an old i386 machine I had lying around. I'm starting to get into CLI OS and working with machines as ...
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1answer
18 views

Xubuntu boot loader not showing while triple boot xubuntu, mint and windows 8

Here is what I did 1. I had mint and windows 8 installed on my laptop and wanted to install xubuntu also. I converted my disk to basic and GPT as xubuntu installation wizard was not showing windows ...
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1answer
31 views

How can I make grub mount a drive with “rw”?

I have this in /boot/grub/grub.cfg menuentry 'Arch (on /dev/sda5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-aabbcc-dd-ee-fff-eeee' { insmod part_gpt ...
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votes
2answers
7k views

Multiple boot: Windows-10 along Linux?

On a computer running for the long term Linux Mint 17 Xfce (ubuntu 14.04) along Windows 7 I have created another two separate partitions with the purpose of installing for the short term other systems ...
0
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1answer
59 views

Ubantu slow boot and shutdown issue : how can I fix this?

Initially my boot time was really low, it used to boot in seconds and user processes were also up and ready to use within a minute, now for some reason my boot up really slow and also my system never ...
1
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1answer
47 views

How to fix “Failed to mount root filesystem - failed to open /dev/console” in RedHat after Cloning Disk

After cloning my HDD by Norton Ghost to a new one, I moved the new disk to new PC (with different hardware). In the new PC , I see this message at boot, as you see in this screenshot: What exactly ...
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0answers
8 views

grub and grub2 seem to run sequentially at boot time

Recently I have cloned my Ubuntu installation from one drive to another using clonezilla, parted magic. It seems that the clonezilla has put its own bootloader into the target drive. Before cloning, ...
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0answers
15 views

Boot Entry for Loading Encrypted LVM

So, I recently installed Arch Linux (EFI) with the root folder in an encrypted LVM. I am loading the correct modules and hooks on startup, but it's telling me it can not load the encrypted space after ...
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0answers
66 views

I have: “error: no such device: 6ec8e… Entering rescue mode… grub rescue>” on Mac OsX boot

I decided to install Debian on a external HDD to try it with my Mac Book Pro and then see if I will install it on a partition of MBP's SSD. I installed it and plugged the device on the machine, but ...
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2answers
125 views

can't install bootloader

So I was trying to install BBQLinux. I downloaded the ISO, put it on an USB-Stick, booted from it and used "Install BBQ Linux" on the desktop. At the end of the installation it gave me this error: ...
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0answers
63 views

How to Modify Android Boot Sequence in Order to Boot From an SD Card

I've been looking into how to boot Android form an SD card, and I came across this thread on XDA, but I am too much of a noob to understand it, and user has stated that she doesn't have the time to ...
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2answers
532 views

How do I use the TPM to seal away data on an UEFI booted system?

I would like to seal away files on my system using keys stored in the TPM. Since my system uses UEFI to boot, I can no longer use TrustedGrub as a boot loader to maintain my trust chain. Are there any ...
2
votes
2answers
55 views

How can I ask a defined server what to boot

What options are available to accomplish the following boot scenario? On boot (before boot) contact a defined webserver and ask what to boot (normal answer: boot from local hard drive; alternative ...
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0answers
33 views

Where is GPT bootloader located?

According to GUID specification: First sector of hard drive is reserved (MBR compatibility) and not touched, sector 1-34 contain entries which contain partitions. Sector 35 is the 1st sector of 1st ...
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1answer
259 views

Arch Linux grub installation error “airootfs”

I was following the official installation tutorial. Everything was smooth until the boot loader section. I had encountered the error of /usr/bin/grub-probe: error: failed to get canonical path of ...
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0answers
23 views

Get correct Windows partition back in Grub

Model: HP Compaq Mini 32 bit. Device: Samsung Evo SSD 120 GB. OS: Dual boot --> Linux Mint 17.1 Xfce & Windows 7 Starter. TLDR: Fixed Grub + got Mint back using parted rescue; win7 reboots or ...
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0answers
25 views

Need a hint about system's verbiage at bootup

I've got a dual boot W10/Ubuntu 14.04 laptop. I use GRUB2 as a boot loader. In the BIOS I chose "Legacy BIOS" option (the laptop was purchased with EUFI enabled system and W8 OEM). I don't know, maybe ...
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0answers
12 views

Arch linux not visible in bootloader

I installed Arch following the beginers guide and installed the rEFInd bootloader. When i start my computer rEFInd can load windows and the Arch live cd (if it's inserted) but i cant get it to show ...
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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?
1
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1answer
1k views

U-Boot Bootup error

I'm running a Debian Linux on a Cubietruck, running off a SD card. When I power on, I get the following error: ## Booting kernel from Legacy Image at 46000000 ... ...
0
votes
0answers
45 views

Computer doesn't boot ANY device after installing debian

During a Debian installation, everything went smoothly. However, for some reason it failed to install both the GRUB and LILO bootloaders. I tried thrice to get my installation to work. The first two ...
3
votes
2answers
805 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 * ...
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0answers
15 views

When does Plymouth starts and ends?

I am currently creating a custom Plymouth Theme/Script for my operating system. Thus i want to know when does Plymouth gets started. Which function calls it? How does it start up and display nice ...
0
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2answers
20 views

Load system from SD Card into Memory and then Boot from Memory

I've seen several answers where there are hints at creating a partition in memory, copying the contents of a SD Card into that partition and then booting an operating system (linux) from that memory ...
0
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1answer
4k views

Restore windows boot manager in grub command line

So I installed GRUB2 and Ubuntu 14.10 alongside Windwos 8.1. I am on an Acer laptop, which does not have a cd drive. I deleted the Ubuntu partition in windows 8.1 through the integrated disk manager, ...
0
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1answer
37 views

Why in Boot loader most often written in assembly language? [closed]

I am studying the concept of Operating system. In that i read point of Boot loader. Why boot loader is most often written in assembly language.