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/mainline/ 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/amd64/linux-headers-6.15.0-061500-generic_6.15.0-061500.202505260036_amd64.deb Linux Headers All: linux-headers-6.15.0-xxxxxx_all.deb https://kernel.ubuntu.com/mainline/v6.15/amd64/linux-headers-6.15.0-061500_6.15.0-061500.202505260036_all.deb Linux Image Generic: linux-image-unsigned-6.15.0-xxxxxx-generic_6.15.0-xxxxxx_amd64.deb https://kernel.ubuntu.com/mainline/v6.15/amd64/linux-image-unsigned-6.15.0-061500-generic_6.15.0-061500.202505260036_amd64.deb Linux Modules Generic: linux-modules-6.15.0-xxxxxx-generic_6.15.0-xxxxxx_amd64.deb https://kernel.ubuntu.com/mainline/v6.15/amd64/linux-modules-6.15.0-061500-generic_6.15.0-061500.202505260036_amd64.deb Download packages with command line wget [URL-of-each-package] For example; wget https://kernel.ubuntu.com/mainline/v6.15/amd64/linux-headers-6.15.0-061500-generic_6.15.0-061500.202505260036_amd64.deb 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-space Music promoted by Audio Library https://youtu.be/DRwYhxVNwzU ⚠️ 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