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

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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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0answers
243 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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0answers
28 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
39 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
71 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
49 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
25 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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0answers
112 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
13 views

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 ...
0
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1answer
63 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 ...
9
votes
1answer
138 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
45 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
44 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
391 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
46 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
201 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
26 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
288 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
49 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
68 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
74 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
140 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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73 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
294 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
21 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 ...
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177 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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97 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
685 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 ...
3
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1answer
76 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
770 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 ...
3
votes
1answer
57 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 ...
2
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1answer
2k 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
87 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 ...
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2answers
52 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 ...
0
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2answers
85 views

I recently cloned my drive, while booting I have to wait at this screen which has a number of error messages

Once booted the computer works fine (debian 7 sid), no other issues. I just have to wait at this screen for around 3 minutes, unfortunate since I have an SSD. Are these error messages causing the ...
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0answers
40 views

A problem with ubuntu [closed]

I have a Dell Inspiron 1420 with Windows Vista. I wanted to install Ubuntu on it, so I burned the ISO file to a 16GB flash memory and I booted the laptop from it. I tried to install Ubuntu on the hard ...
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31 views

TPM passwordless boot

I'm trying to create device with CentOS6, encrypted disk (with LUKS), TPM module and TrustedGRUB to boot securely and without interaction. I'm following instructions from ...
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0answers
64 views

How do I disable hardware detection during PXE boot?

I'm atttempting to install centOS 6.5 on a new dell machine through PXE boot. The PXE boot works fine for other PCs, just the new workstations are problematic. The PXE boot hangs on "Detecting ...
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0answers
363 views

Grub doesn't recognize windows 8

Recently, I installed Windows 8.1 and Linux Mint Debian Edition on a new laptop. Neither installs seemed to have any issues, and both operating systems run well. However, the only way I can switch ...
0
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1answer
74 views

Command set in /etc/rc.local on Ubuntu 13.04 is ignored

I am trying to set my Ubuntu 13.04 machine in a way that, upon reboot, an instruction is executed and a program is launched with specific parameters, REGARDLESS of whether a user is logged on to the ...
2
votes
1answer
255 views

No logical volume groups found, LVM stuck at boot

I'm running Ubuntu 14.04 (64bit). Long story short, I've compiled a custom kernel and now I'm running into some issues with my encrypted hard drive. When I boot my machine and attempt to start the ...
4
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0answers
1k views

UEFI install (14.04) boots to GRUB command prompt, no GUI

I just installed zorin 9 core (14.04) on my Hard-Disk in UEFI mode. But, when I boot, all that comes up is a GRUB2 command line. I've searched for solution and came up with this command configfile ...
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0answers
139 views

windows 7 reinstallation killed grub

I have been running dual boot windows7/ubuntu. Recently I reinstalled windows 7, and I no longer have the option to boot to ubuntu. I would like to be able to get my dual boot working again or at ...
5
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3answers
10k 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 ...
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1answer
84 views

Delay Debian WiFi Networking Auto-Connect until after X and other applications are started

I've been profiling my boot times with bootchart and it seems that wpa_supplicant and dhcp take a significant amount of time during the boot process to get up and running and associate with my home ...
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0answers
61 views

How to make grub Command Line Default?

I'd like to make grub by default load it's command line instead of automatically booting from it's list of options generated by update-grub. How can I do this?
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83 views

Multiple Windows 7 installations from Grub

I have the following disk configuration: Disk /dev/sda: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors Units = sectors of 1 * 512 = 512 bytes ...
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1answer
39 views

Graphical boot ModeLine

Bit of a weird requirement. I have an arcade machine running Linux. The arcade monitor requires the video signal to be at 15khz, so I achieve this with a modeline in xorg.conf, it works great. There ...
0
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1answer
230 views

No such device: grub rescue

I have got a machine with Windows and Linux Mint. Now that I needed to upgrade my Mint because I needed the new fixes, I cannot boot. I get the error message no such device, grub rescue. My guess is ...
2
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1answer
183 views

How do I resolve an error when booting, “Couldn't find device with UUID…”

I have a RHEL 6 system, running on a VMWare machine. The admin of the VM server added a second RAID volume to the server, which my RHEL system does not use. Now, when I boot the RHEL system, I get a ...