It has been the middle of 2015, The version 7 of CentOS has been released for a long time and a major upgrade of Linux kernel - 4.0 - was released about two months ago, so I think it's time we keep up with the pace of software development. Maybe look at this month's Fedora, or whichever mubuntian deriv is fashionable.ĮL8 will of course have a newer kernel, and you may want to use Fedora in your test environment so that you can properly release on EL8 when Fedora's promoted to EL. Your upstream and downstream support will change dramatically, and consistently delivering a product may become a moving target, but this may be a great experience. If you need last week's code drop, you may want to consider a project with a release cycle more like a mayfly and less like infrastructure. In addition to breaking any kind of certification in the upstream distro (RHEL) with ISVs, the nightmares in (in order) testing and then support will create an untenable labour issue for anyone trying to actually support it. In order to maintain compatibility, software released within a given major release will not suddenly be revised to a completely different baseline. Kernel-ml-modules-5.17., like any enterprise linux, is geared toward stability and, importantly, compatibility throughout the major release (review Semantic Versioning). You can remove the old kernel (optional): $ dnf remove kernel-core-4.18.0 kernel-devel-4.18.0 kernel-tools-libs-4.18.0 kernel-headers-4.18.0Ĭheck that the old kernel version has been removed: $ rpm -qa | grep kernel kernel-ml-core-5.17.86_64 Two versions of the kernel are currently available on the system: $ rpm -qa | grep kernel kernel-core-4.18.0-240.10.1.el8_3.x86_64
Update the grub config: $ grub2-mkconfig -o /boot/grub2/grub.cfgĬheck the kernel version and make sure it has changed to 5.17: $ uname -r 5.17.86_64 Now you need to configure Linux to boot with the new kernel: $ grub2-set-default 0
To install the latest available kernel, use the command: $ dnf -enablerepo=elrepo-kernel install kernel-ml List available Linux kernels: $ dnf -disablerepo="*" -enablerepo="elrepo-kernel" list available| grep kernel-ml Import the repository key: $ rpm -import This is a community repository for Enterprise Linux which provides support for RHEL, CentOS, Scientific, and Fedora. Let’s start by connecting the ElRepo repository. The kernel version 4.18 is quite old and we will update it to 5.17. Let’s look at how to update the Linux kernel to the latest version in CentOS as an example.Ĭheck which version of Linux you have installed: $ cat /etc/redhat-release CentOS Linux release (Core)Ĭheck the kernel version: $ uname -r 4.18.0-193.6.3.el8_2.x86_64
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