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How do I pin the lowlatency kernels so apt doesn't update with a newer generic kernel?

rated 0 times [ 2] [ 0] / answers: 1 / hits: 1859 / 1 Year ago, sun, april 2, 2023, 2:36:28

I'm on Kubuntu 12.04 with lts-raring HWE stack. I'm running kernel 3.8.0.30.18 low latency. A recent update replaced my low latency kernel with a slightly newer (3.8.0.31) generic kernel. I wish to prevent this and to use only the low latency kernels. How would I do this?

I believe this information is required:

$ dpkg -s kxstudio-kernel-lowlatency

Package: kxstudio-kernel-lowlatency

Status: install ok installed

Priority: optional

Section: metapackages

Installed-Size: 26

Maintainer: falkTX <[email protected]>

Architecture: all

Source: kxstudio-kernel

Version: 2.4~precise1

Depends: linux-lowlatency, linux-image-lowlatency, linux-headers-lowlatency

Description: The KXStudio kernels - Low-Latency

 This is a metapackage that provides the lowlatency kernel

I also wish to know exactly how to use apt-cache policy to verify that the installation candidates (for any kernel) are correct. The command below would apparently not show me when a generic kernel might supersede a low latency kernel.

$ apt-cache policy linux-lowlatency

linux-lowlatency:

  Installed: 3.8.0.30.18

  Candidate: 3.8.0.30.18

  Version table:

 *** 3.8.0.30.18 0

        500 http://ppa.launchpad.net/kxstudio-team/kernel/ubuntu/ precise/main amd64 Packages

        100 /var/lib/dpkg/status

     3.2.0.54.43 0

        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/universe amd64 Packages

        500 http://security.ubuntu.com/ubuntu/ precise-security/universe amd64 Packages

     3.2.0.23.20 0

        500 http://us.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages

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zombieptu

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answered 1 Year ago ithriv · Accepted Answer

sudo apt-get autoremove --purge linux-image-generic

If you don't ever want to use the pure -generic kernel image, then simply remove it. You might also have to separately remove the actual kernel image, as well as this meta-package. Just make sure you have a usable kernel image installed before removing some of them. Then apt will simply not update that which is not installed.

The -generic kernels do not supersede the -lowlatency kernels. However, the last kernel that was installed, becomes the default. You will still have the -lowlatency kernel installed, and you can still choose it within the grub boot menu, or even change it to be the default again.