Linked Questions

1
vote
2answers
15k views

Change kernel version from command line [duplicate]

Is there a way to reboot with a different kernel version from the command line? I have Ubuntu PXE booted on a VM, and there is no graphical interface, but I need to downgrade the kernel (which is ...
1
vote
1answer
701 views

How to set default kernel in GRUB without Grub Customizer? [duplicate]

After the recent update I wasn't able to start my system (black screen). So I powered off the PC and turned it on again. Saw the following grub menu: Ubuntu Advanced options for Ubuntu System setup ...
0
votes
0answers
74 views

Cannot downgrade kernel Ubuntu 16.04 [duplicate]

Hello I have a Zenbook Pro UX501VW and installed Ubuntu 16.04.1. I installed the GTX drivers for the crazy fans. I saw that by installing kernel 4.3.5 it would fix the trackpad so I downloaded all ...
0
votes
0answers
39 views

Ubuntu 18.04 doesn't boot unless I select systemd in grub [duplicate]

After installing some updates (I can't remember which exactly), my Ubuntu 18.04 machine won't boot (the screen remains black) unless I boot into GRUB and select the second option which has (systemd) ...
0
votes
1answer
38 views

How switch the grub from 15.04 to 14.04 in a system which has installed both [duplicate]

I have installed ubuntu 15.04 and 14.04. First i had installed 14.04 after that i installed 15.04 and the grub boot menu changed to 15.04. Now i want to revert it, that means i want to change the ...
228
votes
16answers
649k views

How do I set Windows to boot as the default in the boot loader?

How do I set the bootloader so that in my dualboot with Windows 7/Ubuntu 11.04, Windows start up as standard instead of Ubuntu?
322
votes
5answers
1.3m views

How do I change the GRUB boot order?

I have both Windows 7 and Ubuntu installed on a shared machine. Because a lot of the non-developers use Windows, I'd like to change the boot order to make it easier for them. Currently the boot order ...
33
votes
5answers
14k views

Kernel panic after update to 4.4.0-108-generic

Today I got what I presume was the update that should take care of Spectre and Meltdown. That didn't go very well. What do I do now? See screen photo. I can't boot the 4.4.0-108-generic kernel ...
11
votes
2answers
34k views

How to downgrade kernel after bad update (16.04)

Recent upgrades to the Ubuntu 16.04 kernel (4.4.0-89 and -91) failed badly on my laptop. Happily, I've got the previous, working version still installed (4.4.0-57). For now I've got Grub configured ...
3
votes
1answer
11k views

Downgrade kernel 3.19.0-26-generic to 3.13.0-62-generic

I need to downgrade kernel version in my Ubuntu 14.04.3 LTS production server from 3.19.0-26-generic to 3.13.0-62-generic. How I can do it in safe way ? I only have console access. Thanks
1
vote
1answer
9k views

How is Grub updated after each kernel upgrade?

How I think I got into the problem After the system installation I proceeded to install upstream kernel, changed /etc/initramfs-tools/conf.d/resume by commenting out the RESUME... line and then I run ...
2
votes
3answers
3k views

How to install Juniper VPN on Ubuntu 15.04?

This post worked perfect for 14.04 as well as 14.10. But for 15.04 there seems to be a strange issue. The application starts and gets a tunnel ip addresses but doesn't forward any traffic. The bytes ...
0
votes
2answers
9k views

Permanent Windows share mounting

As this is a very basic topic, I have read many documentation about it online and none of them seems to work, I have tried several ways but I want to know if anybody has been successful with this so ...
1
vote
2answers
7k views

Install another kernel?

When I give in the terminal the command "sudo apt-get install linux-image" I see a list of kernels. How can I install such a kernel and what command should I give in the terminal to start a kernel??
2
votes
1answer
4k views

How does one use GRUB_DEFAULT to select a default OS for boot? [duplicate]

I am running UBUNTU 17.10 and have more than one Linux kernel that I might want to run. According to the current grub manual, GRUB_DEFAULT is "the default menu entry. This may be a number, in which ...

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