![]() For example: cat /proc/versionsignature Ubuntu 5.4.0-12.15-generic 5.4.8 This output provides important information about the kernel: Canonical adds Ubuntu Ubuntu kernel-release 5.4.0-12. Ubuntu 22.04.4 LTS is due for release next year and it will bring over the kernel and graphics stack from Ubuntu 23.10. The easiest way to determine the kernel you’re running is to type cat /proc/versionsignature on the terminal. Support beyond that is provided through an Ubuntu Pro subscription. See the Ubuntu Discourse for a full(er) comparison of changes from Ubuntu 22.04.2 to Ubuntu 22.04.3.Īs a reminder, Ubuntu 22.04 LTS is supported until April 2027. Package updates include GNOME Shell 42.9, LibreOffice 7.5.5 (an uplift over the the 7.3.x series) in backports, and Mozilla Firefox 116. Ubuntu 22.04.3 LTS also includes a new hardware enablement stack (HWE) composed of Linux kernel 6.2 and Mesa 23.0.4 (a sizeable update in itself). it’s a real time saver for those doing a fresh install. This update includes a newer Linux kernel & graphics drivers back-ported from Ubuntu 23.04 The 3rd point release in the Ubuntu 22.04 LTS series, this update rolls together all of the security patches, bug fixes, and software updates issued to the Jammy Jellyfish since the previous point release, into a shiny new ISO image. If you decide you don’t like your new kernel, it’s simple to revert to an older one.Ubuntu 22.04.3 LTS release has been made available to download. Updating from the standard kernel to a new one only takes a few minutes and can be done by anyone with a basic knowledge of the command line. When you reboot your system, your new kernel will be in use! Updating the Linux Kernel Is Easy! Now use the yum to install them: yum -nogpgcheck localinstall *.rpm ![]() ![]() In your terminal, use the cd command to navigate to the location where you saved the rpm files: cd ~/Downloads/kernel_updates These are the basenames, and the actual actual filenames will vary based on which kernel you’ve selected. You’ll need to download the following rpm files to a new directory. Most users will need files from the x86_64 section. The page will be divided into sections by architecture. Visit the kernel web page, and click on a link for the kernel you want to use. You should see your new kernel version Update the Mainline Kernel on Fedoraįedora keeps its mainline kernel builds in a different location. Open a new terminal and again enter uname -r When it’s complete, rebbot your system: sudo reboot The installation process may take a few minutes, so don’t worry. Now use the dpkg tool to install them: sudo dpkg -i *.deb In your terminal, use the cd command to navigate to the location where you saved the deb files: cd ~/Downloads/kernel_updates A third file which contains “all” in the filename.You’ll need to download three files to a new directory on your drive. Open the folder that corresponds to your system architecture. In here there are several files and folders. Use uname -r to display the kernel version before and after the reboot (necessary to refresh the running kernel) and don't forget to run purge-old-kernels after the reboot. The latest kernels will be at the bottom of the page, but you can sort by “last modified” to make your preferred kernel easier to find.Ĭlick on the name of your kernel to open a the folder. sudo apt-get upgrade linux-generic linux-headers-generic linux-image-generic which upgrades just the packages that were kept back. Head over to the Ubuntu Mainline kernel PPA website, and look for the version number of the kernel you want to use. Unless you’re a developer, or don’t mind some system instability you should avoid release candidates.Ĭhoose between the latest stable version and the longterm support options, and take a note of the relevant version number. There should be several longterm kernel releases listed, along with the latest stable version and a few release candidates. If you’re running a custom kernel on your Linux system, visit the to check the latest kernel version. Or on Arch-derived distros: sudo pacman -Syu Manually Update the Mainline Linux Kernel You can trigger an upgrade through the terminal on Ubuntu and Debian with: sudo apt update & sudo apt upgrade The notification won’t specifically tell you that the updates are to your kernel, but you can check the kernel version before and after the update process by entering: uname -r If kernel updates or upgrades are available, you will most likely be notified of available updates by a a GUI notification on your desktop, telling you that updates to your system are available. If your PC is running a popular distro such as Debian, Ubuntu, or Manjaro, and you haven’t manually swapped out the standard kernel for a different one, kernel upgrades will be taken care of automatically. These can include efficiency improvements, security patches, bug fixes, and new drivers. Kernel upgrades usually come with a bounty of benefits for your Linux system.
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