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Install Kernel 6.8 On Linux Ubuntu via Terminal Commands

By Sourabh /  Category: How To, Ubuntu

Manually download and install Linux Kernel 6.8 on Ubuntu Systems, from the official Ubuntu Mainline Kernel PPA archive. Kernel 6.8 is the latest stable release of the Kernel and it brings various architecture and virtualization changes.

Key Highlights of Linux Kernel 6.8

  • Kernel 6.8 improves virtualization performance and flexibility as it introduces Linear Address Masking virtualization on Intel processors. The said feature is for KVM guests and guest-first memory support for KVM architecture.
  • The Linux Kernel 6.8 brings enhanced filesystem support and repair mechanism for Bcachefs.
  • Linux Kernel 6.8 boasts improved hardware compatibility as it brings support for the Broadcom BCM2712 processor in Raspberry Pi 5, AMD’s WBRF Wi-Fi feature, and Intel’s Xe graphics.
  • Linux Kernel 6.8 optimizes memory management and brings Rust support for the LoongArch architecture.
  • Linux Kernel 6.8 includes various networking optimizations.
  • Linux Kernel 6.8 brings enhanced power management fuctionality.
  • Linux Kernel 6.8 also brings AppArmor enhancements.

Install Linux Kernel 6.8

Here is how you can manually download and install the desired Kernel from the official Ubuntu Mainline Kernel PPA archive. For example, we will install Linux kernel 6.8.1 on a 64-bit (amd64) Ubuntu system.

For this you need to download the packages listed below via the Ubuntu Mainline Kernel PPA archive (link below). To begin with, create a folder in your Home directory and download the packages in the folder. You will have to download the following packages

amd64/linux-headers-6.8.1-060801-generic_6.8.1-060801.202403151937_amd64.deb
amd64/linux-headers-6.8.1-060801_6.8.1-060801.202403151937_all.deb
amd64/linux-image-unsigned-6.8.1-060801-generic_6.8.1-060801.202403151937_amd64.deb
amd64/linux-modules-6.8.1-060801-generic_6.8.1-060801.202403151937_amd64.deb

Once downloaded, execute the following command to begin the installation of the kernel 6.8.1 on your Linux System

sudo dpkg -i *.deb

Once the installation is complete, restart the system to apply the changes.

Link for Ubuntu Mainline Kernel PPA archive

https://kernel.ubuntu.com/mainline/
https://kernel.ubuntu.com/mainline/v6.8/