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

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Is it possible to format a disk within an iPXE script?

I can mount a disk in the script, but it has to be formatted. I can't seem to find a way to format a disk within an iPXE script. Is it possible? How? Thanks
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1answer
22 views

Remove script under profile.d which “freezes” the system on boot

Is there a way during the boot to go to console instead of loading all "things"? Need to go to profile.d-directory and remove script which "freezes" system during the boot. I don't know the word for ...
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2answers
30 views

After installation of Ubuntu (not dual boot), how to find the drives?

I recently clean installed Ubuntu without dual boot, so everything was erased, but now I can't seem to find where my C and D drives are located. Here are the results of some commands that I tried: ...
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0answers
14 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 ...
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15 views

Colored horizontal lines when booting from GRUB

I have an annoying problem when I boot to windows from GRUB boot menu, I got always colored lines that disappear in seconds. I also tried to change my linux distro 3 times but I always get the same ...
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1answer
41 views

Will a headless server wait forever at login prompt after boot?

Ok, I apologize for the extremely noobish question here. I'm trying to wrap my mind around administering a headless Linux server. As I'm doing the initial setup, I'm managing it via IPMI so I can ...
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25 views

Linux doesn't mount initrd

I recently finished a minimal Linux disk, which doesn't want to boot. I only keep getting couldn't mount root messages. The entire linux system is packed into an initrd package, and whatever I do, it ...
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1answer
25 views

Install Mint and Ubuntu on separate drives: how many grub installers needed?

I would like to setup a dual boot system using Mint and Ubuntu, with each on a drive of its own. Would I install each as a distinct OS with its own grub installer, or will they have to be on just one ...
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40 views

Phoenix Securecore tiano USB boot doesnt work

I've a problem with a Dell XPS 17 which I want to install Linux Mint on. I've created my USB key (which work on old pc) but it doen't recognized as USB device or removable device on my Dell. Many ...
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1answer
24 views

How to work out which drive and directory your system booted from if it is not mounted in /etc/fstab?

My /etc/fstab doesn't include the disk the system booted from, basically because I made some changes and forgot to include this. The initial /boot and / directories are on different drives. I noticed ...
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0answers
71 views

switch_root with systemd: “Too many levels of symbolic links”

I'm trying to boot a proprietary kernel build and OS after an upgrade to libc and numerous other tools. I'm booting using an initramfs in the 3.2.0 kernel with some utilities, like busybox. However, ...
3
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1answer
34 views

Make my fedora-22 kde boot faster

I am using fedora-22 kde with windows dual boot. When I select fedora from boot menu it takes upto 20sec to boot. I don't know if there are some programs affecting the boot time. when I run the ...
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0answers
15 views

Create two boot options for the same distro but with post run options

I have a Raspberry Pi with Raspbian. I installed Kodi (with autorun) but I'd like to install RetroPie into Raspbian also. I'd like to have several grub options: one with Kodi in autorun, another ...
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1answer
81 views

Creating bootable Debian image with debootstrap

I have been trying to create a bootable debian (jessie/8.4) image for the past 2 days, and as far as I can tell I have the procedure right, but I can not get the filesystem right. I am relatively sure ...
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0answers
19 views

who has loaded an identity mapped page table?

I want to understand Linux x86_64 's startup steps, after reading some articles and linux-3.14.65/Documentation/x86/boot.txt, and almost know that the first instruction to run in vmlinux is ...
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0answers
79 views

Stuck on grub rescue with no /boot directory?

Deleted a partition during Windows 7 installation. Now all I get is error: no such partition. Entering rescue mode.. grub rescue> I tried to look for /boot directory: grub rescue > ls ...
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0answers
20 views

Kali Linux from an external drive

Last week, I install Kali Linux 2016.1 in my external hard disk(1 TB). But, when I tried to boot I chose USB, then the grub come and I choose my option. It was just stopped in shell. There was ...
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0answers
111 views

Ubuntu 14.04 stuck on boot: blank purple screen. Can only kill power

I did some digging but couldn't find an answer to my problem. I'm a first time Linux user, when I turn on my laptop running ONLY Ubuntu 14.04 on it, 50% of the time it freezes on a blank purple ...
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52 views

dracut-initqueue: Could not boot, /dev/disk/by-uuid does not exist

I've just installed second linux kernel on my machine and after the boot, I'm getting following error: dracut-initqueue: Could not boot [Warning] ...
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0answers
11 views

Kali Linux can't find sbin/init

I try to boot Kali Linux but I received this error: switch_root: can't execute '/sbin/init': Exec format error I tried Kali Linux recovery mode but nothing happened. I have Linux Mint and I saw the ...
2
votes
1answer
77 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
53 views

Start a python script in `screen` on boot?

I want to be able to start a python script when I boot, but I want to be able to see lines which have been printed during the program. I have been able to put the line "sudo python /path/to/file.py" ...
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37 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 ...
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0answers
6 views

Does it makes sense using Boot-Repair inside a local installation?

I have used Boot Repair many times to restore a boot list after deleting a partition or to restore a previous boot list customization, but I did that from a live environment, booting from a Live USB. ...
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1answer
35 views

When do cron tasks begin to execute?

Having read through the Wikipedia page on cron, it is unclear to me when cron begins to execute the tasks I have defined in the crontab file. Is it during the boot process - or even at the end of it - ...
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1answer
198 views

LiveUSB stuck after “Probing EDD” during boot

I am trying to install Arch Linux on a brand new Lenovo ThinkPad X1 Carbon 4th. When I start from my LiveUSB image, it gets stuck right after the following line (which is the first line of the ...
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29 views

'Resuming' Ubuntu after battery died

I'm running Ubuntu 15.10 alongside OSX, usually booting into Ubuntu using rEFInd. Last night my laptop died while in Ubuntu due to lack of battery power, when trying to boot back into Ubuntu this ...
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0answers
25 views

$sudo ls -l boot returns ls: cannot access root: No such file or directory

This relates to a problem with initramfs and trying to boot into my system. I have my drive encrypted(sdb5), so I have to enter a password to get to the login screen on Ubuntu 15.10 running on an ...
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1answer
13 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
24 views

How do I ignore Linux on boot?

I have Windows 10 on my primary SSD and Kali Linux on a HDD. I need the slot with Linux HDD temporarily to be used with Windows, but the problem is that it tries to boot from the missing drive. How do ...
0
votes
1answer
39 views

Install Linux From Live CD

I have made a Linux From Scratch and built a live CD from it. I also wrote a script in /usr/sbin named install-lfs. When I want to install Linux, I just have to open a terminal in the live session and ...
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10 views

Boot from network wirelessly

Here's what I'd like to accomplish Boot from flash drive Load drivers for wireless card(s) Boot from the network with some sort of bootloader (something like PXE) after connecting to router (without ...
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33 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
20 views

Boot Kali Linux into forensic mode; hangs loading network interfaces

When I boot my Kali Live CD (2016.1) in forensic mode, it gets to the point of auto-log in for root, and then immediately tries to start loading the network interfaces eth0 and wlan0. When neither ...
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2answers
41 views

How can I activate extra-verbose mode (debugging mode) during Debian boot?

How do I activate extra verbosity during boot, on Debian? I removed the quiet parameter and tried to add debug but it didn't help. My problem is that my keyboard takes 2-3 min to activate so it ...
1
vote
1answer
41 views

Failing Media Check on Fedora Installation

I am trying to install Fedora 23 and continually getting a media check fail at 85.7%. I am using a 32gb ADATA USB stick and making the bootable with dd. sudo dd ...
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0answers
22 views

Ubuntu 10.04 / Suse10 (yes outdated..): Edit /etc/fstab before it is read

As the topic says: I'm trying to edit the /etc/fstab before it is read during the system-startup OS: Ubuntu 10.04 and Suse 10 I've linked my edit-script currently under /etc/rc2.d/, but it is called ...
0
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1answer
118 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- ...
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0answers
19 views

no bootable partition, trying to solve with testdisk

I had Ubuntu 14.04 and a partition with data. Then I decided to try Linux Mint, I booted it from USB, I was going to install it but then I changed my mind. Linux Mint started to prepare my hard disk ...
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2answers
78 views

How can I start program on boot in Ubuntu 14.04?

Is the root crontab the only way? I'm starting up a MC server and don't want it to need me to manually restart it each time the server reboots for whatever reason. I don't want any login required ...
0
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0answers
29 views

Linux Mint won't boot from HD after replacing Win 10. Bootloader issue?

I had Windows 10, the computer was acting up, slow etc. I installed Mint 17 on it selecting the option to overwrite Win 10. When presented with the partition table, it was full of partitions I didn't ...
1
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1answer
48 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 ...
3
votes
2answers
43 views

How to stop debian from mounting a partition at startup

I installed Debian and set a data partition and now I want to stop it from mounting it everytime but deleting the line in fstab and updating initramfs won't stop it from mounting it. Is there a way to ...
0
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0answers
17 views

How to change the order of HOOKS in debian iniramfs configuration?

Hello I installed Archlinux to learn and now I'm insalling Debian but the initramfs setup is quite different from the mkinitcpio from Arch. My question is : where do I find the order in which the ...
0
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0answers
41 views

ALERT! /dev/mapper/cryptroot does not exist. Dropping to shell!

Hello I just installed Debian on an encrypted root partition but the NVRAM entry the installer made isn't working so I boot using the following kernel parameters : rw nomodeset ...
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0answers
31 views

Keyboard isn't working when it comes to enter the password for encrypted root

Hello I installed Debian, the entry in the NVRAM made by the installer isn't working so I boot it with refind using the following kernel parameters : rw nomodeset root=/dev/mapper/cryptroot ...
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votes
2answers
69 views

Is there a way to enable secure boot in Linux?

Just like Windows has secure boot that prevents any external OS Loader code from running at boot, does Linux have any similar option for itself? I have looked around, but when I search, the only ...
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2answers
46 views

How to skip boot time custom udev rule?

I have following udev rule in /etc/udev/rules.d/80-foo_usb.rules to detect pen drives, KERNEL=="[a-z][a-z][a-z][1-9]", SUBSYSTEM=="block", ACTION=="add", PROGRAM+="/test/foo.sh $kernel $parent" It ...
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2answers
99 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 ...
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0answers
32 views

Boot from GhostBSD iso partition with grub

I have downloaded an ISO image of GhostBSD, now it can be burned on to a usb and can be directly booted from it. However I would like to burn it on to a partition of my hard disk and boot from it ...