Bootloader issues: what happens before the operating system itself starts.

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No volume groups found after restoring CentOS image to VirtualBox VM

I used Clonezilla to backup an HP Proliant server running CentOS 5.10. I restored the image to a VirtualBox VM but when I try to boot I get an error of "No volume groups found" "Volume Group ...
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1answer
26 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?
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1answer
25 views

How do I fix “Alert! Failed to detect one or more drives during post?”

After installing Linux Mint 17 xfce on my Optiplex 755 Computer, I received the following message on boot: Intel(R) Matrix Storage Manager Option ROM v7.6.1.1001 ICH9R Copyright(C) 2003-07 Intel ...
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1answer
39 views

problem when booting linux server : Too many levels of symbolic links

By mistake, I executed these commands : sudo ln -sf bash /bin/sh sudo ln -sf bash /bin/bash When I rebooted the Linux server in recovery mode I got this message: unable to execute: Too many levels ...
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3answers
30 views

shell script to run on boot on Mac OS X does not run all commands

On OS X, I am trying to use lingon to run a shell script upon booting. I have a file ~/desktop/_admin/boot/bootdocker.sh: #!/bin/bash boot2docker up export DOCKER_HOST=tcp://192.177.59.103:2475 My ...
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1answer
27 views

dual boot from two different harddrives, windows and lubuntu not working

I have a computer with two harddrives. I first installed my Windows 8.1 on my ssd taking up the whole drive. Then on my second 2TB I made 3 partitions. 1TB is dedicated to external storage, 500GB is ...
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1answer
34 views

How to “bless” a disc without access to OSX?

I have a MacBook Pro. The original harddrive died and has been replaced. I've installed Fedora20 on the new drive. The new drive was never "blessed" and thus boot takes 30 seconds longer than it ...
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11 views

Reinstalling Centos 6.4 over current Centos 6.4 OS

I am a newbie to Linux, and I am trying to reinstall Centos 6.4 from an AsteriskNOW CD I have because through an update I believe I lost the res_srtp.so module I installed from an external source. I ...
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6 views

Read pre-grub2 error messages

Grub2 displays an error message followed immediately by the menu. Without a high speed camera there is no way to read the message. Is there any way to see the error messages that grub2 displays before ...
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1answer
17 views

Encrypted ArchLinux: unable to find root device

I have a problem with my new installation of ArchLinux with an encrypted partition. I guess I have done the same steps as before and it works on my other machine. The error message I get is: ERROR: ...
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15 views

Linux 3.x init ramdisk embedded in bzImage?

Is the initial ramdisk embedded in to the bzImage? How to load an rootfs.cpio as a ramdisk and switch the root?
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0answers
18 views

Dualbooting Fedora and Windows 7 (EFI issues)

I've been struggling with this for a couple days now and I'm totally at a loss as to what to do. I recently purchased a new desktop (HP Envy 700-109c) and I've been trying to get my usual setup ...
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1answer
36 views

30 second gap in boot process

I did a full upgrade on my Debian system (jessie/sid). Unfortunately there is now a 30 second gap on the bootup and I really don't know where it comes from and where I have to look to find it. I ...
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0answers
62 views

Kali Linux USB Live Boot Not Working

I downloaded the Kali Linux ISO 64-bit off of this page: http://www.kali.org/downloads Then, I used the Kali Linux Live USB Install Procedure on this page for Windows. I boot my computer from my ...
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2answers
49 views

Boot Error Debian: “ata3: softreset failed (device not ready)”

I am trying to figure out why I am getting this boot errors. I have looked all through the dmesg, boot.log, kern.log. I also have a few modprobe -b pci:<PCI ID> errors during boot on the screen ...
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1answer
55 views

Booting Linux minimally

I am trying to boot just linux itself. It's mostly for the learning experience. I got a small HDD with only one ext4 partition looking like this: /bin/bash /dev/console /boot/vmlinuz ...
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1answer
26 views

Boot linux on pendrive error: No configuration file found

I created a bootable flash drive using Universal USB Installer. However, the error message appears to start it: No configuration file found How to solve this problem? I've got sometimes with this ...
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86 views

Ubuntu server boot assigns names to NICs erratically but all traffic is handled on only one NIC

I have two NICs, em1 and p3p1 on my Ubuntu 14.04 Server. During boot, network interface eth0 is renamed to both em1 and p3p1 but the order is not consistent from one boot to another. In use ALL ...
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22 views

Failed Gummiboot install

I installed Arch-Linux and probably messed up with Gummiboot config. Is there a way to change /boot/loader/entries/arch.conf without doing whole installation process again?
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0answers
28 views

Why I failed to reboot my centOS after I updated linux kernel?

I got a reboot error like the one showing in the picture I installed kernel using these commands: make mrproper cp /boot/config-2.6.18-371.11.1.el5 .config sh -c 'yes "" | make oldconfig' make ...
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1answer
32 views

Make an SD card to boot the distribution image created with Yocto

I have managed to build images for my own compiled Linux kernel source code using Yocto. Yocto has produced image files according to: ...
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0answers
43 views

Mysterious Reboot Preventing Debian from Loading

I recently picked up a cheap, oldish computer at a yard sale. It contained a 80GB SATA hard drive with Windows XP, but I want to turn it into a LAN FTP server, so I tried to set up dual-booting Debian ...
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1answer
19 views

Live file system error using EasyBCD

Error message: (initramfs) Unable to fund a medium containing a live file system I know this question is a common one, but I used EasyBCD to boot from the iso and it all worked up to a certain point ...
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62 views

installing manjaro linux wrecked my boot

I don't know if it's manjaro finally, but it happened after installing manjaro. I have a Samsung laptop, maybe 1 year old, 750GB HD, 4GB RAM. It came preinstalled with Windows with some repair ...
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2answers
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Looking at the source files, where does Linux start executing?

I would like to read a bit of the source code to try and understand how it all fits together, but cannot see where to start. Which file in the Linux source code is the main file used to compile the ...
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1answer
36 views

Which Hex code for /boot partition

I planned to install ArchLinux on my laptop. I'm only at the begining, trying to understand all the step before doing them. I'm only at the first step, i.e. partitioning, that I already have a small ...
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1answer
114 views

Why would a partition be in use by the system if it isn't mounted?

I've been migrating my system from btrfs to ext4 after running into performance issues with VMs. I have two hard drives in my laptop to work with. I've successfully moved my home partition, but the ...
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1answer
40 views

Ubuntu How to re-install bootloader

I accidently altered my partition table. Somehow I wiped it out completely and changed the disk label. The system has not been rebooted yet and I managed to rebuild it the way it originally was using ...
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1answer
40 views

Booting into a kernel image

I have a recently-compiled Linux kernel image (vmlinuz file) and I want to boot into it. I am aware that this won't give me a familiar Linux system, but I am hoping to be able to at least run some ...
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1answer
209 views

ELAN Touchscreen on Ubuntu 14.04 and Debian 7.6

I recently purchased an ASUS Q550LF laptop with Windows 8.1 preinstalled, and subsequently installed Ubuntu 14.04 and Debian 7.6. I use Ubuntu for most tasks, but occasionally have reason to boot ...
0
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1answer
35 views

Difference between telinit and running scripts manually under rc*.d

I was trying to debug my Linux boot process. If I set the default runlevel to 2 or 3, my system hangs without giving me a prompt. I was able to get to runlevel 1 via a kernel parameter, and ran all ...
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2answers
52 views

No DEFAULT or UI configuration directive found!

I have copied, as usual, the iso into usb disk (/dev/sdc): sudo dd bs=4M if=archlinux-2014.08.01-dual.iso of=/dev/sdc But when I boot to my new PC, it shows: ISOLINUX 6.03 6.03-pre18* EHDD ...
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1answer
22 views

Plymouth scrolling text

Is it possible to have it default to scrolling text on boot/shutdown versus the Fedora icon? I know I can get it by hitting various keys, but can I get it to default to text and those messages?
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2answers
166 views

What is needed for a minimal systemd boot to launch getty on a virtual console?

For SysV init, I need /etc/inittab respawning getty entries, the /sbin/init binary, the binaries and shared libraries for the shell, login, the getty, the PAM/security/shadow stuff, and a few device ...
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2answers
34 views

rc.local hang on bootup

My rc.local is stuck in an infinite loop since I accidentally put a wrong I/O redirection in and it's executing itself over and over again. I'm on Red Hat 6.5 and would like to know how I can start ...
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1answer
46 views

Can't boot slackware after installation. Liloconfig not found

I just installed my first linux distro: slackware. The installation went fine. I followed this guy's tutorial for the setup: https://www.youtube.com/watch?v=DdwZylEQcQ0 And this guy's tutorial for ...
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1answer
44 views

UUID vs /dev/sdX in FSTAB

I have Linux system in which we force /dev/devname for running the system. proc /proc proc defaults 0 0 /dev/sda1 / ext3 ...
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0answers
82 views

Fixing System boot failure due to GRUB Error

We have a Debian based system, which unpredictably goes in to non bootable mode. Listed are the errors that usually occurs in the system. 1 > GRUB RESUE 2 > INTIRAMFS 3 > INIT SCRIPT FAILURE ...
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0answers
65 views

Linux boot with broken partition

I have two ext partition on my linux One for / And one for /home I wanted to reduce (with this method) the home partition (which was only something like 10% filled) to create a new partition for ...
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2answers
140 views

Grub menu not appearing

I have a windows 8.1 installed in my lenovo z570.I installed linux mint 17 from an USB created using YUMI software. After installation the grub menu doesn't appear and windows gets booted up ...
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0answers
19 views

Defining Languages Available at boot - LiveCD

I am trying to create a refined version of the buggy uck for customizing Ubuntu LiveCD ISO, here it is if you're interested in helping. NOTE: The process is straight-forward, except when customizing ...
3
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0answers
90 views

When do I need to specify add_efi_memmap as kernel argument in UEFI/EFI boot?

I am reading some tutorials how to EFI stub (efistub) load the Linux kernel. These instructions often use kernel boot parameter add_efi_memmap. The intended hardware is Intel x64 having 8GB of RAM. My ...
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0answers
45 views

Create bootable hfs+ partition for macbook

I've installed Debian testing on a Macbook Pro (mid 2014) without keeping OS X on the internal SSD. I've used the following GPT partition layout: HFS+ EFI on /boot/efi BTRFS on / SWAP on swap I've ...
2
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1answer
234 views

How much speed difference for a tweaked bios versus uefi boot? [closed]

EFI can be faster, but that's not certain. The biggest speed difference is in hardware initialization early in the process. On my systems, this is a fraction of the total boot time, so a ...
2
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1answer
49 views

How can I create a multi-boot USB using livecd-tools?

While going through the man page, I found some options that seem to suggest that the command line tool livecd-iso-to-disk is capable of creating a multiple-boot USB: --multi Used when installing ...
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2answers
504 views

How to know if I'm booting using UEFI

I was searching, but didn't found an obvious way to know if GRUB is using UEFI in the system boot, or the BIOS compatibility mode or a full fledged BIOS. Only Windows methods. Is there something in ...
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1answer
42 views

eCryptfs key in kernel image or initramfs

I have an embedded Linux system with unencrypted kernel image and initramfs in NAND flash. My RootFS is in SD card. I want to encrypted some files on SD Card as my SD card is easily accessible ...
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1answer
1k views

/dev/root does not exist in CentOS 7

I take an error message when installing CentOS 7 from usb. What is it solution?
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1answer
65 views

Is it possible to use XNU on GNU/Linux?

I was wondering whether it is possible to use the XNU kernel on a GNU/Linux system? But it would be, in effect, GNU/XNU. But is that possible? Does the kernel have sufficient drivers to boot on a ...
4
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2answers
42 views

Create new temporary directory

What's an effective way of creating a new /tmp directory, that behaves just like /tmp (purged on reboot, etc.), but in a different location? In my case, I want to create a ~/dev/tmp directory where I ...