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Samantha Rattner
January 22, 2024

Step-by-Step Guide: Installing Linux Kernel 6.7 on Ubuntu

Linux 6.7 is now the most up-to-date steady kernel, and Ubuntu users can now download and install it on their machines through Canonical’s Ubuntu Mainline Kernel PPA archive. Here is a brief tutorial on how to do it either via the GUI or command line.

Linux kernel 6.7 was launched on the 7th of January, 2024, and it brought in new features such as the bcachefs file system application, backing for NVIDIA’s GSP firmware, numerous enhancements to the Btrfs file system, as well as a host of new and updated drivers to improve hardware support.

And now, if you require hardware backing that’s accessible in Linux kernel 6.7, or if you just want to run the most recent kernel version, you can download and install it on your Ubuntu machine from the official Ubuntu Mainline Kernel Archive. Packages are currently ready for amd64 (x86_64), ARMhf, PowerPC 64-bit Little Endian (ppc64el), and IBM System z (s390x) architectural designs.

However, I need to caution you that these kernels are created without any guarantees given by the Ubuntu Kernel Team. They will NOT provide support for these kernels if you encounter any problems, and they will NOT be held accountable for any damages these kernels might cause due to incorrect installation or use. Also, you should know that these kernels aren’t signed, meaning you’ll have to disable Secure Boot for their installation.


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Method 1: Install Linux kernel 6.7 on Ubuntu with “Mainline Kernels” tool

The easiest way to install Linux kernel 6.7 on your Ubuntu computer is by using a graphical tool called Mainline Kernels, which you can install from this PPA by running the commands below in the Terminal app. Open the Terminal app and run the following commands to install the Mainline Kernels tool:

sudo add-apt-repository ppa:cappelikan/ppa
sudo apt update && sudo apt full-upgrade
sudo apt install -y mainline

Once the Mainline Kernels tool is installed, you can access it from your Ubuntu system’s applications menu. This tool rapidly checks for new kernel versions from Canonical’s Ubuntu Mainline Kernel PPA archive. The current newest version, Linux kernel 6.7.1, should be prominently displayed at the top of the list.

To install Linux kernel 6.7 on your Ubuntu system, simply click on the “Linux kernel 6.7.1” list item and then hit the large “Install” button on the right side of the screen. Patiently wait for the installation process to finish before restarting your computer.

Upon reboot, your Ubuntu machine will be running Linux kernel 6.7. I’ve verified this procedure using an Ubuntu 23.10 (Mantic Minotaur) setup, and it performed flawlessly.

The advantage of using this method is that you will receive new kernel versions (e.g. Linux 6.7.2, 6.7.3, etc.) when they are released upstream. Even better, the Mainline Kernels tool can inform you of new Linux kernel versions if you enable the feature in the tool’s notifications settings.

Method 2: Install Linux kernel 6.7 on Ubuntu via CLI

The second method is recommended for experienced users who know what they’re doing and don’t want to use the Mainline Kernels tool from the first method above. This method can also be used as a fallback in case the Mainline Kernels tool doesn’t pick up the latest kernels from the Ubuntu Mainline Kernel PPA archive.

this method implies that you will have to manually download and install the kernel packages for your specific architecture from the official Ubuntu mainline kernel PPA archive for Linux kernel 6.7 and then install them manually on your system via the command line.

If you aim to install the Linux kernel 6.7 on a 64-bit (amd64) system, you must download the necessary packages from the Ubuntu Mainline Kernel PPA archive. Start by creating a folder in your Home directory to house the packages.





Once you’ve successfully downloaded all the kernel packages to the specified folder, you can install them simultaneously by utilizing the sudo dpkg -i *.deb command either in the Terminal app or from a virtual terminal. Note that you must first navigate to the directory where the kernel packages are stored.

When the installation is complete, reboot your system.

Going back to Ubuntu’s kernel or another installed kernel

If you experience any issues with Linux kernel 6.7 and you want to go back to Ubuntu’s default kernel or another kernel that’s installed on your system, press the Esc key when your computer boots to view the boot menu, then access the “Advanced options” boot entry and select a different kernel version from the list of available kernels.

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