All Questions
324
questions
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votes
1
answer
124
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ZFS System update-grub not detecting updated kernel images in /boot Ubuntu 20.04
I have a server running Ubuntu 20.04 and every time I do an apt upgrade with a new kernel version, and reboot the system, I seem to be stuck on kernel version 5.4.0-137.
The system is two drives, with ...
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votes
0
answers
51
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Touchpad not Working Even after Grub Change
I recently installed Ubuntu 20.04 on my new Acer Nitro AN17-71 alongside Windows 11. I had some problems during the install with my RTX 4060 graphics card, but I was able to resolve them by adding ...
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-2
votes
1
answer
194
views
I can't boot into Ubuntu 20.04
I installed Ubuntu 23.10 today, alongside windows and Ubuntu 20.04, which both worked before I installed Ubuntu 23.10. Now I can boot into 23.10 and into Windows, but I cannot boot into Ubuntu 20.04.
...
- 131
0
votes
0
answers
55
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Boot screen appears every time on startup
I have used Boot Repair, but still it didn't work. Here is the Report https://paste.ubuntu.com/p/m7P69grdgY/
============================= Boot Repair Summary ==============================
...
0
votes
1
answer
213
views
Failed to enable BPF LSM when booting in Ubuntu 20.04
I want to enable the BPF LSM, I have added
lsm=lockdown,capability,yama,apparmor,bpf
to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub, and run update-grub. After rebooting, it still displays ...
- 103
0
votes
1
answer
170
views
Dual-boot windows and Ubuntu
I have Ubuntu on SSD, use it as my main OS, but want to install win10 on separate SSD for gaming and to learn how to do it:) Need some help (good videos/articles/guides/solved question) to do it ...
- 13
0
votes
1
answer
363
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Grub failed to install to /dev/md0 on Ubuntu 18 to 20 upgrade
I ran do-release-upgrade on an Ubuntu 18.04 LTS server. It looked like the upgrade to 20.04 LTS was successful, but then at what I'm assuming is the end of the upgrade, I am presented with this ...
- 101
0
votes
1
answer
172
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Windows 10 won't boot after Ubuntu dual boot install. GRUB menu goes to black screen
I downloaded ubuntu on my computer that has windows 10 installed. However, after installing ubuntu I can not longer get back to windows. I can not get Grub to launch, holding shift does nothing and ...
- 1
0
votes
0
answers
26
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Ethernet disconnected trying to fix brightness slider on Ubuntu 20.04
Running an ROG G15 laptop.
I recently installed Ubuntu 20.04 in a dual boot setup with Windows 10 as the other OS. One thing I noticed was that my brightness slider wasn't working, so I looked it up ...
- 11
1
vote
0
answers
63
views
How to use GRUB in a virtual machine
I'm creating an assembly in cubic. I configured grub so that the live version runs by default (without installation). When booting from a real computer, everything works as it should; when starting ...
0
votes
0
answers
1k
views
Create Custom Ubuntu ISO Installation Medium
Modifications of the Ubuntu ISO would be great in offline installations for my purpose. There is Cubic, but for what I've been doing it has only attempted to create Live CD type setups. What I am ...
- 19
0
votes
0
answers
114
views
Kernel panic from GNU GRUB after updating from 18.04.6 to 20.04.6 even from 3 recovery mode options
Updated from ubuntu 18.04 to 20.04. Got the following error:
A problem occurred during the update. This is usually some sort of network problem, please check your network connection and retry. E:...
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votes
0
answers
230
views
How to specify from which Numa node the kernel should boot from?
I have booted ubuntu os using qemu and assigned two NUMA nodes to it.Each NUMA node 0 has 4cpus and 3GB memory whereas NUMA node 1 has no cpus and 3GB memory. The kernel is booted using NUMA node 0. ...
1
vote
0
answers
41
views
Ubuntu on MacPro 2013 Grub Menu Does Not Show
Environment: ubuntu 23.04, Trashcan MacPro 2013, Thunderbolt Display on Thundrebolt.
Grub Configuration:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For ...
- 13
0
votes
0
answers
704
views
Fixing grub-efi-amd64-signed error
apt upgrade on Ubuntu 22.04 failed with an error from grub-efi-amd64-signed.
mount: /var/lib/grub/esp: special device /dev/sda15 does not exist
/dev/sda15 does not and has never existed on this ...
- 101