Install the Latest Linux Kernel on Ubuntu (Easy Way)
Want the latest Linux kernel (like 6.15+) on Ubuntu 25.04 for better performance, hardware support, or just to stay cutting-edge? This step-by-step tutorial shows you how to safely install the newest mainline kernel while keeping your old one as a backup!
🔧 In This Video, You’ll Learn:
✅ How to check your current kernel version
✅ Where to download the latest mainline kernel safely
✅ How to install & boot into the new kernel
✅ How to roll back if anything goes wrong
📥 Resources & Commands:
🔗 Mainline Kernel Builds: https://kernel.ubuntu.com/~kernel-ppa/main...
check existing kernel
uname -r
install mainline kernel tool
sudo add-apt-repository ppa:cappelikan/ppa
sudo apt update && sudo apt full-upgrade
sudo apt install -y mainline
Remove new kernel (if needed)
sudo apt remove linux-image-unsigned-6.15* linux-headers-6.15*
Architecture
(64-bit (amd64), AArch64 (ARM64),
ARMhf, PowerPC 64-bit Little Endian (ppc64el),
or IBM System z (s390x))
Downoad archive
Linux Headers Generic:
linux-headers-6.15.0-xxxxxx-generic_6.15.0-xxxxxx_amd64.deb
https://kernel.ubuntu.com/mainline/v6.15/a...
Linux Headers All:
linux-headers-6.15.0-xxxxxx_all.deb
https://kernel.ubuntu.com/mainline/v6.15/a...
Linux Image Generic:
linux-image-unsigned-6.15.0-xxxxxx-generic_6.15.0-xxxxxx_amd64.deb
https://kernel.ubuntu.com/mainline/v6.15/a...
Linux Modules Generic:
linux-modules-6.15.0-xxxxxx-generic_6.15.0-xxxxxx_amd64.deb
https://kernel.ubuntu.com/mainline/v6.15/a...
Download packages with command line
wget [URL-of-each-package]
For example;
wget https://kernel.ubuntu.com/mainline/v6.15/a...
Install
cd ~/Downloads
sudo dpkg -i *.deb
Update grub
sudo update-grub
Remove latest kernel
sudo apt remove linux-image-unsigned-6.15.0* linux-headers-6.15.0
Music and License
A Magical Journey Through Space by Leonell Cassio
https://soundcloud.com/leonellcassio
Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0
Free Download / Stream: https://bit.ly/a-magical-journey-through-s...
Music promoted by Audio Library • A Magical Journey Through Space – Leonell ...
⚠️ Note: Mainline kernels are not officially supported by Ubuntu—use at your own risk! Always back up important data before upgrading.
👍 Enjoyed this tutorial?
Like the video if it helped!
Subscribe for more Linux & tech guides 🔔
Drop a comment if you want a follow-up on kernel tweaks!
#Linux #Ubuntu #Kernel #TechTutorial #OpenSource #LinuxTips #Ubuntu25 #PerformanceBoost