Intro
Hello everyone this is Mirko and in today's news video, we'll see important features that are released in Linux but also including the open source world, so exciting right?
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Linux 5.19 is Going to Allow EFI Accessing VM Secrets For Confidential Computing / AMD SEV
The Linux 5.19 kernel EFI updates introduce a few intriguing enhancements, notably the ability to read secrets implanted into the boot image through Confidential Computing "CoCo" hypervisors.
With Linux 5.19, a new "efi secret" module is introduced, which exposes the confidential computing EFI secret area (stored within a reserved portion of the EFI reserved memory region) to the guest VM via the SecurityFS interface. Any secrets are accessible via the default/sys/kernel/security/coco/efi secret directory when SecurityFS is enabled and this new efi secret module is activated. Each secret entry is represented by a file. Privileged programs can read the secrets given to the VM via capable hypervisors' safe secret injection mechanism. Secrets can be passed via the "LAUNCH SECRET" command on AMD EPYC processors with Secure Encrypted Virtualization (SEV).
While this was primarily designed for AMD SEV in order to expose sensitive computational EFI secrets, the driver was created by an IBM engineer. More information about this new functionality can be found in the newly updated documentation.
Other EFI modifications for Linux 5.19 include the ability to re-enable EFI run-time services at boot on real-time (RT) kernels, leveraging DXE services on x86 64 to allow making the boot image executable after relocation if needed, and preferring mirrored memory for randomized allocations.
Plex has Finally Launched a Linux Desktop Player
Plex is one of the most popular ways to stream your own media library, but there hasn't been an official client for playing all Plex material on Linux – until now.
It announced today in a blog post that the Plex desktop program (the client for playing content, not the server) is now officially available for Linux platforms. It's provided as a Snap package, which means you'll need a Snap-compatible distribution as well as the framework installed. Snap is pre-installed on Ubuntu Linux, and it also works on Arch, Fedora, Pop! OS, KDE Neon, openSUSE, Debian, and other distributions.
While this is the same Plex program that is available for Mac and Windows, it is essentially just the plex.tv interface with the added benefit of offline capability (so you can save movies and other content for offline watching later). The current version of the app was released in 2019 on Windows and macOS, replacing the previous Universal Windows Platform (UWP) version developed for Windows 10 and Windows Phone. Plexamp, a separate program designed solely for streaming music from a Plex server, is currently available for Linux.
Plex for Linux may be downloaded from the Snap store or by entering sudo snap install plex-desktop in the Terminal on a Linux PC that already has Snap installed.
Clear Linux is Outstanding Ubuntu 22.04 LTS, Fedora 36 & Other Top 2022 Distros
Given the recent releases of Ubuntu 22.04 LTS and Fedora 36, as well as other recent OS updates, it's time to take a new look at how other Linux distributions performance. The Linux benchmarking session compares the performance of the Xeon Platinum 8380 2P "Ice Lake" across Arch Linux, Debian, openSUSE, CentOS Stream, AlmaLinux, Fedora, Ubuntu, and Intel's Clear Linux.
A new Linux server performance comparison was conducted using the flagship twin socket Xeon Platinum 8380 configuration with 512GB of RAM and Intel Optane DC-P5800X (SSDPF21Q800GB) NVMe storage. Each operating system was installed cleanly on this identical Intel Xeon Scalable server and benchmarked in its freshly installed, out-of-the-box configuration to see how these 2022 Linux distributions perform.
A wide range of Linux server-focused benchmarks were then run on each platform to see how these Linux distributions will perform on Ice Lake in 2022.
It seems that Clear Linux, the distro developed by Intel is definitely outstanding, the already solid ones such as Ubuntu, Fedora, Debian way behind even if they came out this year with the most important features and fixes released!
Outro
Exciting news guys, the new 5.19 kernel will fix many security issues with the history of Virtual Machines and the hyperVisor. While the Plex player is now available in every distro, a flatpak is expected to be released as it will provide more compatibility on the overall functioning, instead of the privacy concerning snaps packages. Whereas Clear Linux the distro created from Intel, it has definitely won the competition for the most performant distro, in a server environment and workspace. That's it guys, don't forget to support my YouTube channel by subscribing, hitting the thumbs up and donating any amount via PayPal or while you read my articles on buymeacoffee.com/mirkolantieri . See you in the next video.
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