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vote
3answers
304 views

Drive won't boot from its Grub, but will from another drive's Grub, after cloning, why?

It was a month ago, so if you ask me on details, I might still remember, but better act on information that can be given as of now. Due to the lack of time, I did not ask for help here. I have cloned ...
1
vote
0answers
342 views

Can't run 'update-grub'

I've got some trouble with my Ubuntu-System: update-grub Generating grub configuration file ... grub-probe: error: disk `mduuid/c7ac5a8fef833db7b45d6c2ebb2e20e6,1' not found. But I'm still able to ...
0
votes
1answer
724 views

Slackware64 14.2 - GRUB2 - How set default <UUID> instead <DEVICE>?

i am trying the grub configuration file "/boot/grub/grub.cfg" in the kernel line, set "root=UUID=" instead "root=/dev/" for example when i ran : grub-mkconfig -o /boot/grub/grub.cfg the file /boot/...
3
votes
2answers
689 views

Linux on external USB drive won't boot on other computers

I have GNU/Linux (currently Fedora 26, but previously Linux Mint 18.2 Sonya) installed on an external hard drive alongside an NTFS partition I use for storage – and it boots perfectly on the computer ...
0
votes
1answer
98 views

Does Grub2 have a way of uniquely labelling the menu entries that can be used to set the default for booting?

Does grub2 have a means of selecting a menu entry by a unique label instead of the current numbering system which results in commands like grub-reboot '1>3', GRUB_DEFAULT="1", GRUB_DEFAULT="1>3"?...
2
votes
2answers
5k 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 ...
0
votes
1answer
4k views

How to convert grub config to use kernel device names instead of UUID

I've got a bunch of identical systems on which I want to clone the same openSUSE 12.3 installation. I've set up clonezilla on PXE server. After appling the disk-image of on another machine, it fails ...
6
votes
3answers
10k views

How do you dual boot Debian and FreeBSD using GRUB2?

I've been trying to install FreeBSD alongside my Debian installation in a single partition. All examples readily present on the Internet had shortcomings: Some required chainloading the FreeBSD ...