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Kernel Work and Linux Foundation

Filed under
Linux

  • AMD SEV/SEV-ES Local Migration Support Patches For Linux - Phoronix

    Google engineers have prepared a set of Linux kernel patches allowing for AMD Secure Encrypted Virtualization (SEV) / SEV-ES encrypted state to allow for local migration support of these encrypted virtual machines on the same host.

    Local migration of VMs allow for moving the guest to a new user-space VMM within the same host such as when upgrading/changing its resources or other alterations to the virtual machine but short of remote migration to a different host.

  • A very successful first KernelCI hackfest

    Last week, Nicolas wrote about KernelCI's newly added ability to detect regressions on the Linux kernel that can directly affect camera. This new test was one of many that was written during the recent KernelCI hackfest, which took place from May 27 to June 4. Initiated as a joint effort by the Google Chrome OS team and Collabora, it was a public event with engineers and developers from different communities in attendance.

    What led to the KernelCI hackfest?

    KernelCI is community-led test system focused on the upstream Linux kernel. While following mainline and LTS branches is the best way to maintain stability and security, there are numerous products in a wide variety of industry segments that run on their own versions of Linux with their own, custom changes. Several members of the KernelCI Linux Foundation project make such Linux-based products and rely on testing upstream, as every issue caught is something they won't have to fix in their downstream, Linux-based products. In fact, over time, the more these issues are fixed, the closer it brings their products to the upstream kernel.

    One such member is Google, and their Chrome OS products. There are an increasing number of Chromebook devices in KernelCI (mostly located in Collabora's lab) which can be used to test upstream kernels, and in particular stable kernels, which are working quite well on this hardware. They are currently running all the regular tests that other platforms also use, such as LTP, kselftest, igt, v4l2-compliance, etc. As a member company, Google wanted to extend coverage with additional tests that are only currently available within Chrome OS. Hence, Google encouraged the KernelCI community to hold a hackfest to write tests.

  • Linux Foundation Makes Available Software Manifest Tool - DevOps.com

    The Linux Foundation is making available a set of free tools for building software bills of material (SBOMs) based on the software data package exchange (SPDX) file format it curates.

    Backed by more than 20 organizations, SPDX is an effort to standardize the way metadata describing the contents of a software package is described.

Tiny i.MX8M Mini module also ships on dev kit with Digi XBee

Filed under
Android
Linux

Digi’s rugged “ConnectCore 8M Mini” module runs Linux or Android on an i.MX8M Mini with Digi TrustFence security, up to 2GB LPDDR4 and 8GB eMMC, and 802.11ac/Bluetooth 5.0. A dev kit offers mini-PCIe and Digi XBee expansion.

Digi has launched a Digi ConnectCore 8M Mini module and development kit that feature NXP’s i.MX8M Mini and support for Digi XBee modules including cellular add-ons. The ConnectCore 8M Mini has the same 45 x 40 x 3.5mm dimensions as the i.MX8X based Digi ConnectCore 8X module from 2018. We missed a similarly sized, i.MX8M Nano based ConnectCore 8M Nano from 2019, which has many of the features of the ConnectCore 8M Mini but is limited to 1GB RAM instead of 2GB.

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Most Beautiful Linux Distributions

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Linux

Today there is Linux distribution for every type of computer user present on this planet irrespective of their work. From a kid studying in school to a professional working in a multinational company, there is Linux distribution available for every user.

Linux is an open-source operating system; developers worldwide use various open-source technologies to develop a new surprising fork of Linux.

Everyone gets tired of looking at the same desktop every day; we need something refreshing at a fixed interval of time to keep ourselves fresh and focused on work. Especially if you’re working on Windows or Mac OS, you get tired of the same look and layout because they generally possess the same look and feel even after some major updates.

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Best OCR Apps for Linux

Filed under
Linux
Software
OSS

This article will cover a list of useful “Optical Character Recognition” software available for Linux. An optical character recognition (OCR) software attempts to detect text content of non-text files whose content cannot be selected or copied but can be viewed or read. For instance, an OCR software can identify text from images, PDF or other scanned documents in digital file formats using various algorithms and AI based solutions.
These OCR software are especially useful for converting and preserving old documents as they can be used to identify text and create digital copies. Sometimes the identified text may not be 100% accurate but OCR software removes the need for manual edits to a great extent by extracting as much text as possible. Manual edits can be made later to improve accuracy further and create one-to-one replicas. Most OCR software can extract text into separate files, though some also support superimposing a hidden text layer on original files. Superimposed text allows you to read content in original print and format but also allows you to select and copy text. This technique is specially used to digitize old documents into PDF format.

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NVIDIA's DLSS upscaling comes to 'Rust' and a wave of Linux games

Filed under
Graphics/Benchmarks
Linux

Kernel: SparkFun Qwiic Joystick, Intel Graphics Compiler, and More

Filed under
Linux
  • Linux 5.14 To Add Driver For A $10 Open-Source Joystick For DIY Electronics Projects - Phoronix

    Linux 5.14 is bringing a new input driver to support an open-source joystick that can be used for DIY electronics purposes and other use-cases. The schematics and firmware are open-source for building the joystick device yourself or can be purchased for about $10 USD.

    This new driver on the way to mainline is the qwiic-joystick driver that has been queued in the input subsystem's "-next" branch ahead of the Linux 5.14 merge window. This driver is for the SparkFun Qwiic Joystick, which is an open-source mini analog joystick built around a microcontroller and two potentiometers connected with a gimbal mechanism. Input events are in turn polled over the I2C bus.

  • Intel Graphics Compiler 1.0.7683 Ships With Many Changes

    Last week Intel shipped a big update to their open-source Intel Graphics Compiler "IGC" that is used currently by their Windows driver, their Linux compute stack, and potentially their Linux graphics drivers moving ahead.

    The Intel IGC 1.0.7683 update has dozens of changes including a few notable items for this routine open-source update.

  • The Unix background of Linux's 'file-max' and nr_open kernel limits on file descriptors

    Having two separate limits even on kernels which dynamically allocate these things makes some sense, but not necessarily a lot of it. A limit on the number of file descriptors that a single process can have open at once will save you from a program with a coding error that leaks open files (especially if it leaks them rapidly). A separate limit on the total number of open file descriptors across all processes is effectively a limit on the amount of memory one area of the kernel can lock down, which is at least potentially useful.

Rocky Linux 8.4 Released For RHEL 8.4 / CentOS Alternative

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Linux

Stemming from last month's Red Hat Enterprise Linux 8.4 release and then the RHEL 8.4 based updates to Alma Linux, Oracle Linux, and CentOS 8, RockyLinux has today reached general availability on its v8.4 release.

Rocky Linux is the distribution that is aiming as a free RHEL alternative by CentOS founder Greg Kurtzer and others. Rocky Linux was started following the news last year of CentOS Linux 8 will reach end-of-life at EOY2021 as they focus on CentOS Stream as the future of RHEl. Rocky Linux previously tailored an 8.3 release for their initial debut while this morning have promoted their 8.4 build to GA status.

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How to turn Rocky Linux 8 into a perfect desktop

Filed under
Linux
HowTos

And here we are, at the end of our journey. We started with a workstation slash server distro that is designed for serious work, development and such, not for games or music or alike. We ended with a system that doesn't look that different from most contemporary Gnome desktops, full of cool, popular software. Yes, Linux lacks some of the stuff you get in Windows, but Rocky doesn't lag behind other distros overall. Most of what you need or expect is available.

Of course, the command-line way is a big blocker for ordinary users. But then, even installing a distro on your own (or any operating system) is a very nerdy task. That aside, I'm more than happy with this transformation. The polished-up Rocky is stable, fast, pretty, and it has a lot of nice software. You could also try the self-contained packaging formats like Flatpak or snaps, which give you access to even more cool stuff. Mission accomplished. I like. Do tell me if you need more tips and tricks of this kind, and there shall be additional articles. See you around.

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Slimbook Executive: Lightweight Linux Ultrabook with Top-Tier Screen

Filed under
Linux
Gadgets

It’s time for appointment with the Slimbook Executive.

Now, as names go the ‘Slimbook Executive’ makes me think of the 1980s — beige PCs, shoulder pads, leatherette diary organisers, and a veritable Ozone of hairspray.

But the Executive‘s specs are anything but dated — though they will be a touch familiar if you read our article on the TUXEDO InfinityBook last month.

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IPFire 2.25 - Core Update 157 released

Filed under
Linux
Security

After a little break, IPFire 2.25 - Core Update 157 is out! This is the largest release in size we have ever had and updates various parts of the operating system and brings an updated kernel.

Since IPFire is built from source and not based on any distribution, we get to select the best versions of open source software to be a part of it. This release is the second part of our "spring clean" release which updates various software packages and we have also dropped software that we no longer need. The vast amount of this work has been done by Adolf Belka who has been spending many nights in front of a compiler trying to make it all work. If you want to support him and the entire development team, please help us with your donation.

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Tiny i.MX8M Mini module also ships on dev kit with Digi XBee

Digi’s rugged “ConnectCore 8M Mini” module runs Linux or Android on an i.MX8M Mini with Digi TrustFence security, up to 2GB LPDDR4 and 8GB eMMC, and 802.11ac/Bluetooth 5.0. A dev kit offers mini-PCIe and Digi XBee expansion. Digi has launched a Digi ConnectCore 8M Mini module and development kit that feature NXP’s i.MX8M Mini and support for Digi XBee modules including cellular add-ons. The ConnectCore 8M Mini has the same 45 x 40 x 3.5mm dimensions as the i.MX8X based Digi ConnectCore 8X module from 2018. We missed a similarly sized, i.MX8M Nano based ConnectCore 8M Nano from 2019, which has many of the features of the ConnectCore 8M Mini but is limited to 1GB RAM instead of 2GB. Read more

Most Beautiful Linux Distributions

Today there is Linux distribution for every type of computer user present on this planet irrespective of their work. From a kid studying in school to a professional working in a multinational company, there is Linux distribution available for every user. Linux is an open-source operating system; developers worldwide use various open-source technologies to develop a new surprising fork of Linux. Everyone gets tired of looking at the same desktop every day; we need something refreshing at a fixed interval of time to keep ourselves fresh and focused on work. Especially if you’re working on Windows or Mac OS, you get tired of the same look and layout because they generally possess the same look and feel even after some major updates. Read more

Best OCR Apps for Linux

This article will cover a list of useful “Optical Character Recognition” software available for Linux. An optical character recognition (OCR) software attempts to detect text content of non-text files whose content cannot be selected or copied but can be viewed or read. For instance, an OCR software can identify text from images, PDF or other scanned documents in digital file formats using various algorithms and AI based solutions. These OCR software are especially useful for converting and preserving old documents as they can be used to identify text and create digital copies. Sometimes the identified text may not be 100% accurate but OCR software removes the need for manual edits to a great extent by extracting as much text as possible. Manual edits can be made later to improve accuracy further and create one-to-one replicas. Most OCR software can extract text into separate files, though some also support superimposing a hidden text layer on original files. Superimposed text allows you to read content in original print and format but also allows you to select and copy text. This technique is specially used to digitize old documents into PDF format. Read more

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