Console application permitting the user to choose between several installed operating systems.
Questions tagged [grub]
361 questions
0
votes
1 answer
Debian Stuck at Booting from Hard Disk after installation on KVM
I'm trying to install Debian on Qemu-KVM on RouterOS v5.25
I tried :
debian-10.8.0-i386-netinst.iso
debian-8.11.0-i386-kde-CD-1.iso
debian-live-9.0.0-i386-gnome.iso
on disk image created using : qemu-img.exe create -f raw debian.img 10G
during the…

Amr SubZero
- 101
- 1
- 4
0
votes
1 answer
Alpine setup on virtual machine UEFI does not boot
I am trying to setup Alpine linux on a VM (Proxmox) to replicate the layout of physical hardware (raspberry pi).
The real layout is a raspberry pi 3, installed as "data" mode (based on wiki) with :
sd card: 2 partitions (/boot, /)
usb hard disk : 2…

Dede
- 101
- 3
0
votes
1 answer
Centos8: VM broken after moving from VMware ESXi to HyperV
I have moved Centos8 VM from ESXi to the HyperV 2019 core (hdd only)
It seems the disks or partitions IDs are broken so it's not staring up properly using default/first Grub menu option.
But it runs with last (rescue) option.
How can I rebuild…

Paul Paku
- 151
- 9
0
votes
1 answer
Post kernel update: Only OVH's rescue kernel works - but why doesn't mine?
I just went through upgrading from Debian 9 to Debian 10 and I am having a weird issue. Probably not too weird to people that do more intensive sysadmin things, which is why I bring it here:
During the whole upgrade procedure, I also upgraded my…

Ingwie Phoenix
- 111
- 3
0
votes
0 answers
GRUB2 theme looks broken after update (2.02->2.04)
Coming from Grub 2.02, and upgrading to 2.04, adding it to our TFTP server for PXE booting; I built the new grub2 image as in:
/tmp/rebuild_grub/bin/grub2-mkimage -c ./grub-embedded.cfg -p '(tftp)/blah' -o grubx64-with-embed.efi -O x86_64-efi…

djuarezg
- 131
- 1
- 2
- 8
0
votes
0 answers
Detect different keys on GRUB2 menu
I have a GRUB configuration that looks like the following, where I would like to detect different key inputs so I can act accordingly, but this does not work by default:
echo ""
echo -n "server: "
echo -n $net_default_server
echo -n " client:…

djuarezg
- 131
- 1
- 2
- 8
0
votes
1 answer
Issues Booting Ubuntu 18.04 LTS (Server) after cloning from another drive
I have an Ubuntu server running 18.04 LTS. Not long ago, I had to clone the drive of this server to another machine to make repairs, and now I need to reclone it back to the server again. This time, I used the GParted boot disk following these…

Jason O
- 159
- 1
- 2
- 8
0
votes
2 answers
CentOS 7: small smiley face on boot?
I've got a problem with a CentOS 7 dedicated server. I've had it for years, and never had any problems with it until now.
I did a yum update the other day, and then rebooted the machine, and it never came back up.
I'm using an IPMI session now…

Codemonkey
- 1,086
- 4
- 19
- 41
-1
votes
1 answer
Finding the menu.lst that is being used by grub on a multiboot/multipartition system
How do I find which partition holds the menu.lst being used at boot time?
Not looking for multiple locations , as where the file could be, but where it is definitely to be found. (e.t. partition)
Is the file located on partition 1,2, or partition 8…
-1
votes
1 answer
sed + replace value default in grub.conf
I want to change the default value on all machines to default=0
default value could be any integer number
how to set in the sed syntax that default could be any number
my example ( not working )
for server_ip in $all_servers
do
ssh $server_ip…

dandan
- 1,081
- 4
- 13
- 21
-1
votes
3 answers
Unable to boot into Windows Vista, gets into grub prompt
I have the following scenario:
I had a dual boot option on my laptop with Windows Vista Home Premium and Red Hat Linux Enterprise Edition 5.0. In order to install Ubuntu on the partition having RHEL, I deleted that partition using windows disk…

Arnkrishn
- 146
- 1
- 5
-1
votes
1 answer
How can you change the grub default operating system from the grub menu? (i.e. without booting further)
As frankly the computer I'm trying to adjust is in a very difficult and public place so the less keystrokes the better!

chrism2671
- 2,579
- 9
- 34
- 45
-1
votes
1 answer
How to install grub to a CD-RW?
My very old server only has BIOS, no UEFI, and the boot order routine aborts booting when it encounters a drive larger than 2TB. The boot order is: CDs, HDDs, USBs, network. I cannot change the boot order because I don't know the BIOS password.
How…

jkoop
- 31
- 7
-2
votes
1 answer
framebuffer loads under Linux, but not Xen
I recently built a Debian "Wheezy" system,
which booted via GRUB to a non-framebuffer console, printing
Console: colour VGA+ 80x25
during boot. To /etc/default/grub I added
GRUB_GFXMODE=1920x1200
GRUB_GFXPAYLOAD_LINUX=keep
giving me the boot…

Mike
- 247
- 1
- 7
-2
votes
1 answer
Empty /boot/grub/grub.conf of a remote server, how to recrete it from recovery?
My remote server (running CentOS 6.6 x64) can't boot anymore.
Using the emergency recovery (a LIVE CD) i can actually look that /etc/boot/grub/grub.conf and it's empty (0 bytes). I don't know why, maybe a random data loss or a system update.
Is…

gremo
- 339
- 1
- 4
- 20