Linux/Kernel: GStreamer/SK Telecom, Benchmarks, Libcgroup and Kernel "Whoops"

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Low latency streaming of security video feeds with SRT and GStreamer
For remote security surveillance, like monitoring an industrial facility where expensive equipment or even human lives might be at stake, maintaining an immediate and high quality video streaming from the areas of interest is a must. With the advent of 5G networks, it's now possible to stream high quality video in real-time with a very low latency that wasn't possible with the past generations of mobile networks. In this domain, the SRT protocol has been picking up speed, and thanks to srtsrc and srtsink elements available since GStreamer 1.16 (see Olivier Crête's blog post) it's now easier than ever to incorporate low latency streaming into your application.
Here at Collabora we've been lately participating in design and development of Hwangsaeul—a next generation security video feeds streaming platform with one of our customers, SK Telecom Co..
Hwangsaeul is a cloud relay service that gathers live security video feeds from different locations into a single service to which clients can connect to watch the feeds. Additionally, it also enables continuous recording of each feed. The SRT protocol is utilized by both camera-to-relay and relay-to-client transport in order to minimize latency.
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Benchmarking Linux 5.5 vs. Linux 5.6-rc1 On A Few Systems So Far
Since the release of Linux 5.6-rc1 that is coming in as a very feature-packed kernel, here are benchmarks of Linux 5.5 stable up against Linux 5.6-rc1 on a few of the systems tested so far while more results are in-progress.
Linux 5.5 vs. 5.6-rc1 were benchmarked using the reference binaries from the Ubuntu Mainline Kernel PPA. For this quick article are results from a Threadripper 3970X, AMD EPYC 7742 2P, and Intel Xeon Platinum 8280 2P in distinctly different configurations in seeing if there is any widespread trends as of 5.6-rc1 for these high-end systems.
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Libcgroup in the Twenty-First Century
In 2008 libcgroup was created to simplify how users interact with and manage cgroups. At the time, only cgroups v1 existed, the libcgroup source was hosted in a subversion repository on Sourceforce, and System V still ruled the universe.
Fast forward to today and the landscape is changing quickly. To pave the way for cgroups v2 support in libcgroup, we have added unit tests, functional tests, continuous integration, code coverage, and more.
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Whoops, Linux 5.5 Missed Some "Critical" Intel Graphics Driver Patches
While Linux 5.5 is out in the wild now as the latest stable version of the Linux kernel, it turns out some Intel kernel graphics driver patches were overlooked and this can spell trouble for some users.
Longtime Intel open-source Linux graphics driver developer Chris Wilson noted on Tuesday that Linux 5.5 is missing multiple urgent patches. The ticket notes the lack of these patches is of severity "critical" and the highest priority.
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EasyOS Dunfell 2.6.1 released for x86_64 PC
Yesterday announced EasyOS Dunfell 2.6.1 aarch64 for the Raspberry Pi4:
https://bkhome.org/news/202101/easyos-dunfell-261-released-for-the-raspberry-pi4.html
Today it is the turn for EasyOS Dunfell-series 2.6.1 64-bit on the PC. This is the first official release in this series.
Same packages compiled in OpenEmbedded. Latest SeaMonkey 2.53.6. A different kernel for the PC build, 5.10.11.
Read all about it here:
http://distro.ibiblio.org/easyos/amd64/releases/dunfell/2.6.1/release-notes-2.6.1.htm
As stated in the release notes, all three streams are being sync'ed to the same version number.
The Buster-series 2.6.1 will probably be uploaded tomorrow. I have to compile the latest 5.4.x kernel, and SeaMonkey 2.53.6.
As to which you would choose for the PC, it is like asking "which is better, strawberry icecream or chocolate icecream?"
| Top 20 Uses of Linux
The Linux OS and its related distros and flavors have transformed it from hardcore software into an industrial brand. Even if you are not a fan of it, the Linux OS might be as common as the air you breathe if you closely analyze your day to day interactive activities. Almost all the modern technologies that transform and innovate the tech industry have a Linux OS DNA imprinted on them.
Those that are yet to be branded with their innovative uniqueness and recognition are waiting in line for the famed chance. Therefore, you might boldly claim that the Linux OS does not run your life, but the world around you cannot avoid the flirty pursuits of this open-source and free software.
Nowadays, almost anything that can be described as cool is either pursuing Linux or is being pursued by Linux. It is the perfect symbiotic relationship in a world that tries to find a balance in technology and innovation. This article explores the awesomeness and outreach of the Linux OS in the world around us. It might even be an eye-opener for some of us to start taking our Linux skills to the next level. Top500 quotes Linux as the powerhouse or engine behind five-hundred fastest computers worldwide.
I do not know of the speed of the computer composing this article or whether it qualifies to be among the listed five-hundred fastest computers worldwide. However, one thing is certain; it is 100% Linux DNA. On this note, let us start parading the top 20 uses of Linux.
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parted-3.4 released [stable]
Parted 3.4 has been released. This release includes many bug fixes and new features. Here is Parted's home page: http://www.gnu.org/software/parted/ For a summary of all changes and contributors, see: https://git.savannah.gnu.org/cgit/parted.git/log/?h=v3.4 or run this command from a git-cloned parted directory: git shortlog v3.3..v3.4 (appended below) Here are the compressed sources and a GPG detached signature[*]: http://ftp.gnu.org/gnu/parted/parted-3.4.tar.xz http://ftp.gnu.org/gnu/parted/parted-3.4.tar.xz.sig Use a mirror for higher download bandwidth: https://www.gnu.org/order/ftp.html [*] Use a .sig file to verify that the corresponding file (without the .sig suffix) is intact. First, be sure to download both the .sig file and the corresponding tarball. Then, run a command like this: gpg --verify parted-3.4.tar.xz.sig If that command fails because you don't have the required public key, then run this command to import it: gpg --keyserver keys.gnupg.net --recv-keys 117E8C168EFE3A7F and rerun the 'gpg --verify' command. This release was bootstrapped with the following tools: Autoconf 2.69 Automake 1.16.1 Gettext 0.21 Gnulib v0.1-4131-g252c4d944a Gperf 3.1 ![]() | Kernel: LWN's Latest and IO_uring Patches
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Hwangsaeul Is A Collabora-Backed Open-Source Video Surveillance
Hwangsaeul Is A Collabora-Backed Open-Source Video Surveillance SRT System