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

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Trying to get my system running without an initrd

I've been trying to configure a kernel that will not require an initrd to boot. I haven't succeeded. The filesystem I'm attempting to boot from is ext4, and I have all the extended filesystems ...
2
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1answer
53 views

How to select a boot disk wie pxelinux

I’ve configured a computer with pxelinux and I am able to boot from DHCP/TFTP. I can receive the bootloader and then boot from a local hdd or ssd. But I want to choose with the bootloader from which ...
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1answer
39 views

Boot-Repair hangs, possible alternative?

My overall goal is to dual boot Linux Mint and Windows 10. The motherboard is legacy bios only. Firstly I installed Linux Mint then Windows 10 on a secondary partition. Because I forgot to make a ...
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0answers
9 views

No root device specified error

I have created a LFS system by reading the book provided at the LFS website. I tried to create an ISO image of it using the tutorial provided here. Then I created a bootable usb stick using unetbootin ...
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2answers
41 views

Booted from NFS Linux has no permission for su command

I've booted Linux from NFS with Android system. And now I have to execute command as super use in minicom. But system doesn't allow me to switch to super user mode. Every time when I type: shell@...
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23 views

Linux kernel GRUB/boot issue?

I'm working with a specific software package that is only compatible with a older linux kernel version. After installing this older version via the following command $ sudo apt-get install linux-...
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0answers
14 views

Booting kernel (FIT image) with no rootfs

An embedded Linux device I am working with has the following kernel parameter: root=/dev/ram0 Additionally, the kernel image is bundled together with an initrd and device tree to make a flattened ...
2
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1answer
2k views

Can't boot truecrypt's rescue.iso on usb using UNetBootin

I tried Unetbootin to put the truecrypt rescue.iso file on a USB stick, but the USB stick does not boot properly. It gets into an infinite loop with boot default in 10 seconds over and over again. ...
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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 Arch....
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8 views

Linux kernel boot parameters: boot, union

I'm trying to put Debian Live onto pendrive. I know I can do it by simply executing dd if=path-to-iso of=/dev/sdX command but I want to do it more "manually" (just to learn how the things work ;) ). ...
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2answers
2k views

Why do I need GRUB_DISABLE_LINUX_UUID=true

I just switched from lilo to grub2 and my first attempt failed with kernel panic - not syncing vfs unable to mount root fs on unknown block(0 0). It turned out that the problem was that the root ...
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1answer
2k 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 ...
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1answer
1k views

Open-Vas Not Starting Kali Linux 2.0

On my installation of Kali Linux 2.0, the Open Vulnerability Assessment System (Scanner|Manager) Daemon does not start successfully. It tells me to run the command systemctl status openvas-scanner....
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2answers
50 views

Mount root filesystem from initramfs

It's a common scenario. For whatever reason, the initramfs (OpenSUSE, in case it matters) has failed to find the root filesystem, so it drops you into a rescue shell. I know perfectly well what device ...
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4answers
34k views

How to fix boot failure due to incorrect fstab?

It seems that I have added incorrect record to /etc/fstab: //servername/share /mnt/share cifs defaults,username=myuser 0 0 When I did mount -a, it asked user password to mount network ...
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1answer
20 views

Add parameters to NFS mount

I try to start Android on device via NFS and TFTP. Everything goes good until Android system starts booting. Something happens with network parameters and connection falls and boot freezes [ 60....
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1answer
5k views

Kali Live USB won't boot. Takes me to blinking cursor

I am trying to install 64 Bit Kali Linux to a laptop. Whenever I boot through a live USB the menu opens, but when an option is selected it takes me to the black screen, with just a blinking cursor (...
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1answer
3k views

Debian jessie boot hangs at “Started Update UTMP about System Runlevel Changes.”

I just upgraded my MOBO and CPU on my PC, and now whenever I try and boot my debian install it hangs at [ OK ] Started Update UTMP about System Runlevel Changes. Is there an way I can boot into my ...
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2answers
79 views

Linux root access recovery by booting on the console

This is my first question so bear with me please. So I have a concept in mind that I can't quite grasp. Very recently I recovered a root password for a Debian server by booting into single user mode. ...
8
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2answers
3k views

booting qemu/kvm directly from a file system

Having used Xen and its pygrub for a while, I'm now trying to do something similar with KVM/qemu. Basically, I have a LVM logical volume (though that could as well be a file) that contains the root ...
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0answers
35 views

Fedora 23 black screen after update

I've installed fedora 23 xfce desktop on my laptop few days ago and it worked like a beauty. After few days i did sudo dnf update. after the update i couldn't change the wallpaper so i restarted my ...
2
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0answers
37 views

Linux kernel hangs at “Starting kernel …”

I have enabled Secure Boot on an embedded device successfully. The problem is that when I am booting in this mode the process seems to get stuck right after the line: Starting kernel ... once U-boot ...
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0answers
17 views

Edit grub timeout in encrypted lvm setups with /boot partition?

My old setup was LVM with Ubuntu 16.04. Disk had a GPT table with a BIOS-grub and a main partition. I was able to change the grub timeout by editing /etc/default/grub, commenting out the two ...
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0answers
10 views

Any issues with restoring from a setup with GPT and BIOS-grub partition to one with MBR and /boot partition?

I had a non-nencrypted Ubuntu 16.04 setup using LVM2. I 'ported' this over to a fresh encrypted lvm setup on the same computer and disk, which saved me the hassle of reinstalling all the apps and ...
2
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2answers
1k views

Debian won't boot: udevd fails to load device sda and sdb

I can't boot my Debian system, I got this error during boot up: Driver 'pcspkr' is already registered, aborting. I have solved this by adding blacklist snd-pscp to /etc/modprobe.d/blacklist.conf (...
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1answer
291 views

fstab doesn't mount after boot of a virtual machine

I created virtual machine out of WordPress turnkey appliance (I believe it's based on Ubuntu) inside Virtual Box. I am able to mount a folder on turnkey from the host (Windows7) manually. So I added ...
0
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1answer
590 views

NFS: failed to create MNT RPC client status = -101

I am trying for network file system (NFS) booting between two systems. I am using dhcp server to assign IP-address for client. And my kernel and root file system are present in server. My client is ...
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0answers
524 views

“Kernel panic – not syncing: VFS: Unable to mount root fs on unknown-block” and “LZMA data is corrupt”

I recently bought a new computer and I am experiencing problems while trying to install Linux. Things I have tried: A variety of distributions: Ubuntu; Elementary OS; Crunchbang++; Manjaro; and ...
3
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1answer
8k views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...
2
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1answer
22 views

Skip Arch Linux Login Screen on RPi

(Migrated from RPi Stack Exchange:) I want to use my RPi to run a non-terminating executable as a pseudo-OS. Ideally, my Pi would run Arch Linux or an equivalent, but skip Arch's login screen and ...
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2answers
318 views

Boot process stops until PS/2 key presses?

I'm working on an embedded product based on Gentoo linux 3.6.6 running on a Mini-ITX motherboard. We're looking at switching motherboards (from a Jetway NF9D-2550 to an Advantech EIMB-214), and to ...
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1answer
820 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 ...
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40 views

Cannot boot GRUB bootloader just shows 'GRUB' with blinking cursor

When I boot normally (or try to boot from a USB), all I get is GRUB with a blinking cursor. No command works, even CTRL-ALT-DEL. If I try to boot from a USB/DVD, I get the same error more or less. ...
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0answers
110 views

new kernel compile - error on bootup - Could not find overlay

I was compiling the kernel using slackware-current, the latest version of the kernel, 4.3.3, also tried 4.4-rc5, and ran into this error on bootup Could not find overlay #6 ### dt-test ### of ...
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1answer
2k views

Linux Mint: How to enable cryptswap with custom password?

When you want to use hibernation and you care for security, you'd like to have the swap encrypted. But not with the random password, chosen for you at startup, but with a fixed one, supplied by you at ...
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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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1answer
1k 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: http://www.crashcourse.ca/wiki/index.php/...
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Error happens during booting from disk image

Today, I met an error during booting my computer. I did following steps. Run sudo dd if=/dev/xvda of=/media/dummy/disk.img to generate the image of current root file. Modify /boot/grub/grub.conf ...
2
votes
0answers
22 views

Make bootable disk from tar archive

I have a compressed tar archive from a SLES 11 root directory. I'd like to boot another machine with a live linux, extract my OS archive on a disk, and make the disk bootable. Is there any easy way to ...
1
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1answer
63 views

Long boot time on debian : “usb 1-x: new high-speed USB device number y using xhci_hcd”

Hello when I boot my keyboard takes 2 to 3 minutes to get activated so it slows my boot tremendously as I need to enter a passphrase to unlock a partition. I booted using the kernel parameter ...
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0answers
28 views

Ubuntu not booting

I have ubuntu 14.04 with Windows 10. It gives the purple ubuntu screen on start up. If I go to the recovery mode and then resume from there, I go on to the login page where it gets into a login loop. ...
3
votes
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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1answer
243 views

How to show progress when loading initrd?

I have a complete root fs built into initrd, so it's almost 500MB. It takes a while to load to memory and during this time, the screen has no indication of the progress. I would like to know if there ...
0
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1answer
2k views

Debian 6 Gnome black screen after boot

I installed Debian a few weeks ago, and the last time I ran apt-get update, I think it updated something xorg/xserver, not sure. Since then i get a black screen after boot. If I go into recovery mode ...
3
votes
1answer
26 views

Bluetooth BNEP takes a long time to load on boot Debian

My system takes a long time to boot and looking at dmesg output I found an entry with BNEP (Ethernet Emulation) ver 1.3 that takes around 27 seconds to load. Does anyone have a clue on how to speed ...
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4answers
2k views

Is /etc/rc.local a good place to run a script before any (normal) user can log in?

I have a Ubuntu 14.04 Server which, during boot, should sync some stuff over the network before any normal user can log in (over ssh). I was wondering whether calling the script from /etc/rc.local is ...
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1answer
34 views

UEFI firmware resetting bootorder

I am trying to boot Fedora 23 that I have just installed on a laptop, replacing Windows. I just can't boot it. I kept the UEFI boot partition but replaced all the other partitions with Linux ones. The ...
7
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2answers
9k views

How do I add PC BSD / FreeBSD to Grub 2 boot loader?

I have Ubuntu 10.04 installed as my primary operating system, and I installed PC BSD in a different partition: /dev/sda4 without installing it's boot loader. I figured out that I need to edit /etc/...
0
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1answer
13 views

Hash sum of partitions that haven't been mounted changes every time after a live usb run

I have a Live USB with puppy linux on it. Here's menu entry in Grub2 for Puppy: menuentry "Puppy Linux 6.0.5 tahrpup" { insmod ext2 search --no-floppy --fs-uuid --set=root 0641378e-...
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2answers
255 views

CentOS - meaning of the boot screen progress bar layers/colors

Is there any meaning of the CentOS (I guess RedHat and if I remember correctly Fedora too) boot screen progress bar layers*? (*) Layers ~ white, lilac(?) and violet colours. I can't figure out any ...