![]() What about the why not? There’s one major reason why you should hold off on upgrading to the Linux 5.8 on Ubuntu. As of Linux kernel 5.8 KCSAN is only enabled for x86 hardware. One interesting addition to the Linux kernel is the Kernel Concurrency Santizier, which is a sampling watchpoint-based dynamic race detector that can detect arising flaws in kernel code. In fact, roughly 20% of all the files in the kernel repository were modified for this release. The biggest draw will probably be the improvement in the exFAT driver and a number of system improvements that equate to a much-improved performance for the kernel.Īnother factor, that doesn’t directly lead to enhanced performance, is that a great deal of effort has gone into cleaning up the kernel code, which is interesting, given there are over 800,000 new lines of code and over 14,000 changed files to this kernel. Outside of the newly added hardware support, there’s not a whole lot of exciting features to be found in this kernel. With the what out of the way, let’s take a look at the why. You’ll also need a user with sudo privileges. ![]() ![]() To be more specific, you’ll want an LTS release, probably no older than 18.04. Since I’m demonstrating on my server distro of choice–Ubuntu Server–you’ll need a running instance of that particular platform. SEE: Linux service control commands (TechRepublic Premium) What you’ll needīefore we get into why you might want to upgrade, you’ll want to know what you need in order to make the upgrade possible. Sure, there’s support for new hardware found in the kernel (such as Qualcomm Adreno 405/640/650, AMDGPU TMZ, Intel Tiger Lake SAGV, Arm SoC, AMD Energy Driver, POWER10 CPUs, and more), but what other features might lead you to want to upgrade to the latest, greatest Linux kernel and how do you do it? Let’s find out. Although it might be the biggest release to date, it’s probably not the most significant. Linux kernel 5.8 has been out for a bit of time now and has been hailed by Linus Torvalds as the biggest release yet. ![]()
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