The Linux 5.8 kernel has been available for some time and has been hailed by Linus Torvalds as the largest edition to date. Although this is the largest edition to date, it’s probably not the most important. Of course, there is new hardware discovered in the kernel (such as Qualcomm Adreno 405/640/650, AMDGPU TMZ, Intel Tiger Lake SAGV, Arm SoC, AMD Energy Driver, POWER10 CPU and more), but what other features can just lead you to upgrade to the newest and most productive Linux kernel and how to do it? Look.
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Before you explain why you want to upgrade, you want to know what you want to make the upgrade possible. As I’m demonstrating in my server distribution selection, Ubuntu Server, I want an example that runs from that specific platform. To be more precise, you want an LTS version, probably no larger than 18.04. You’ll also want a user with sudo privileges.
With anything aside, let’s take a look at why. In addition to newly added hardware support, there are many attractive features in this kernel. The greatest attraction is most likely to be the improvement of exFAT’s driving force and a number of formula innovations that equate to particularly advanced functionality for the core.
Another factor, which does not lead to improved performance, is that a lot of effort has been faithful to the cleanup of the central code, which is interesting, since there are more than 800,000 new lines of code and more than 14,000 files modified in this core. Array In fact, approximately 20% of all kernel repository files have been modified for this release.
An attractive addition to the Linux kernel is Kernel Concurrency Santizier, which is a dynamic stumble running or in sampling tracking issues that may encounter failures in the central code. Since the Linux 5.8 kernel, KCSAN is only enabled for x86 hardware.
And why not? There is a main explanation as to why you expect the upgrade to Linux 5.8 on Ubuntu. The Ubuntu distribution uses the Ubuntu Linux kernel, which includes Ubuntu-specific patches. Then, when you upgrade to a non-specific Ubuntu kernel, you lose the specific settings from Ubuntu to core.
Another challenge with using the core is that those cores are not signed, which means they cannot be installed on UEFI or Secure Boot-compatible systems. Therefore, the only way to install the Linux 5.8 kernel or any other kernel is to disable secure booting.
Are you susceptible enough to install the Linux 5.8 kernel? No? Okay. Let’s set it up. However, I suggest you do it on a verification device. Do not install a main core on a production device, ever.
Let’s move on to how. If you need to install the Linux 5.8 kernel on your Ubuntu system, even for testing purposes only, let’s do it.
The first thing you need to do is log in to your Ubuntu example and download 4 required files with the commands:
Once those 4 files are downloaded, install the main files with the command:
Once the order is complete, restart the device with the command:
After the restart is complete, log in and run the command:
You will see kernel 5.8.1-050801-indexed generic (Figure A).
Figure A
We effectively upgraded to Linux 5.8 kernel on Ubuntu 20.04.
Use Linux 5.8 kernel tires on your verification platform to see if you notice an increase in performance. Even if you do, you wouldn’t intend to upgrade this core on production machines. Instead, wait for the official kernel to be updated. This will take some time because Ubuntu updates its cores very slowly; for example, an updated example of Ubuntu 20.04 runs kernel 5.4.
Even if you may be tempted to run the new shiny core on your production machines, the old adage, “slow and stable wins the race”.
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Jack Wallen is an award for TechRepublic and Linux.com. He is an avid promoter of open source and voice of the Android expert. To learn more about Jack Wallen, visit his online page jackwallen.com.