Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [boot-loader]

82 questions
1
vote
1 answer

How does Windows Setup locate Windows installations?

How does Windows Setup locate Windows installations? For Windows 2003 and earlier, this was done using boot.ini. How is this done on newer Windows OSes that don't use boot.ini?
unixman83
  • 1,932
  • 8
  • 25
  • 33
1
vote
2 answers

Control which os is booted on multi-boot system

I am setting up a server with multiple operating systems for the automatic testruns of my company's product. I'd like to be able to control with a script which OS boots up after a restart, so I could say for example "after the windows run, boot into…
mooware
  • 113
  • 4
1
vote
0 answers

How can linux system boot/reboot without bootloader installed?

Today I saw that grub is missing on my system (how that happened is another question). Checked with apt/dpkg: no grub* package installed, also no lilo or systemd-boot package installed. Also was looking for grub or the like in bootsector: dd…
archygriswald
  • 143
  • 1
  • 11
1
vote
0 answers

Changes in grub.cfg custom Ubuntu 22.04 ISO not present on boot

I'm trying to follow instructions on how to make autoinstall Ubuntu ISO, but however I modify linux line in grub.cfg configuration file during customization of Ubuntu Server 22.04 ISO, modifications get lost. I've tried to modify original menu…
Boban P.
  • 705
  • 1
  • 6
  • 20
1
vote
1 answer

Need to replace the HDD on a single disk system

I need to replace the HDD on a single disk system used as a pbx (CentOS-6 based FreePBX). The existing partition structure is: ls -l /dev/sd* brw-rw---- 1 root disk 8, 0 Apr 17 2018 /dev/sda brw-rw---- 1 root disk 8, 1 Apr 17 2018…
James B. Byrne
  • 337
  • 1
  • 4
  • 14
0
votes
0 answers

How do I correctly SysPrep Gen2 Hyper-V image or fix the one I'm working with?

My goal was to create a Win10 image (with programs installed) that I could quickly copy and reuse on Hyper-V for testing things. I created a Gen2 image, installed Win10+apps, then SysPrep'd and shut down. I deleted the checkpoints so everything…
William YK
  • 101
0
votes
1 answer

change boot order gub ubuntu server

I have installed ubuntu server 18.04 on a dedicated server. The problem is i would like to have btrfs for the whole disk ( 1to ), but the web manager don't propose me the option to do so on installation. So i have created a new partition, have…
math
  • 101
0
votes
0 answers

Editing /boot/grub/grub.conf not recommended - yet how do you then change entries?

For example, our /boot/grub/grub.conf looks like this: ## ## End Default Options ## title Debian GNU/Linux, kernel 3.2.0-4-amd64 root (hd0,0) kernel /boot/vmlinuz-3.2.0-4-amd64 root=/dev/vda1 ro initrd …
Gary Green
  • 101
  • 1
  • 3
0
votes
1 answer

GRUB2 Not Loading from MBR

I have a new computer that I have imaged using PXE. It loads a kernel, initrd and verifies if it needs to apply an image. If it does, it goes through some logic of partitioning (BIOS, non-GPT) the disk and applying a disk image (SLES 12 SP2) which…
azurepancake
  • 141
  • 1
  • 8
0
votes
1 answer

What is the difference in restricting single user mode with password through /etc/sysconfig/init and /etc/inittab in a Linux system?

I was checking some sites for setting password protection in single user mode login in my Linux server (Oracle Enterprise Linux-OEL) . In some places I saw the steps to add entry into inititab file like below . su:S:wait:/sbin/sulogin In some other…
Mathews Jose
  • 161
  • 1
  • 2
  • 9
0
votes
1 answer

How do I extract the initrd when the usual cpio -i -m produces gibberish?

I am attempting to follow the instructions here https://superuser.com/questions/1134160/how-to-get-old-linux-versions-to-boot-after-p2v-on-vmware for getting another P2Vd old Linux system to boot, but this time the distro in question is RedHat 7.3. …
Pyromancer
  • 129
  • 3
  • 11
0
votes
2 answers

WDS Server - How does DHCP scope option 67 work?

What is the purpose of DHCP option 67? I thought the PXE client will look for a boot.wim file. Does the boot file located in 67 (like boot\x64\wdsnbp.com) go out and search for the boot.wim? What does DHCP scope option 67 actually do and why do we…
user1330287
  • 197
  • 1
  • 2
  • 7
0
votes
1 answer

Configure RAID1 to boot from other disk if first one fails

I have Centos 6.7 running on 2 SSD disk in RAID1. The boot loader is installed only on /dev/sdb so in case it fails I won't be able to boot the system from /dev/sda Is there a safe way to configure both drives in a way that system can boot from…
DasGjinovskaLignja
  • 21
  • 1
  • 7
0
votes
1 answer

How to save output from grub-md5-crypt to a file ?

I am using Cent OS 6.5 and I want to save the generated output and md5 hash from grub-md5-crypt command to a file. The grub-md5-crypt command asks us to set a password. I want the password(which I have generated using a password generator) to be…
Muddassir Nazir
  • 99
  • 4
0
votes
1 answer

How to fix when grub no longer mounts the boot partition at start up?

This system has a boot partition on a dm-raid device. I updated the system by standard methods from an older Ubuntu to the latest LTS. Now, if the kernel is updated by "apt-get upgrade", the new kernel will not load. Nor are the entries listed in…
ndasusers
  • 427
  • 1
  • 5
  • 14
1 2 3
4
5 6