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today's leftovers

Submitted by Roy Schestowitz on Friday 26th of March 2021 03:56:06 AM Filed under
Misc
  • Dave Airlie (Red Hat): sketchy vulkan benchmarks: lavapipe vs swiftshader

    Mike, the zink dev, mentioned that swiftshader seemed slow at some stuff and I realised I've never expended much effort in checking swiftshader vs llvmpipe in benchmarks.

    The thing is CPU rendering is pretty much going to top out on memory bandwidth pretty quickly but I decided to do some rough napkin benchmarks using the vulkan samples from Sascha Willems.

    I'd also thought that due to having a few devs and the fact that it was used instead of mesa by google for lots of things that llvmpipe would be slower since it hasn't really gotten dedicated development resources.

    I picked a random smattering of Vulkan samples and ran them on my Ryzen

    workstation without doing anything else, in their default window size.

  • 96Boards CE v2.0 spec with LAN and dual PCIe to debut on Rockchip SBCs

    Linaro has posted a 96Boards CE v2.0 spec that adds LAN support and the option for a second high-speed connector with SPI, USB 3.0, 2x PCIe, and a second CSI-2. Beiqi is prepping the first two v.2.0-compliant SBCs based on the Rockchip RV1126 and RK3568.

    [...]

    96Boards hardware partner Beiqui has posted preliminary specs for the first two 96Boards CE v2.0 SBCs. Due in May are a TB-96AIoT-1126CE CE standard board based on Rockchip’s Cortex-A7-based RV1126 and a TB-96AI-3568-CE extended board based on Rockchip’s quad-A55 RK3568. Both SoCs provide NPUs for AI acceleration (see farther below).

  • Overview of Embedded Linux Development Training

    We are surrounded by electronic devices that make the modern world work. Almost all of these devices and the systems they run are “Embedded Systems”, which are small purpose-built computers designed to solve specific problems. These computers don’t look like what most people think of as a computer; they don’t have a keyboard, mouse nor monitor. They might even be hidden in normal, everyday objects that you use around the house. The reality is that many of the more powerful embedded systems are running Linux and any “smart devices” around your home or work are almost certainly running embedded Linux.

    Embedded systems tend to be smaller, resource-constrained, power-limited, and have a very defined and narrow purpose. Among things, they are your TV, internet modem, wifi access point, smart thermostat, car infotainment system, or home automation system. Everything from smart parking meters to security systems, to the drink dispensers in the cafeteria, and so much of the industrial automation that manufacture and deliver all the things that drive our modern lives, are embedded systems; the vast majority of which run Embedded Linux.

  • How SUSE & Partners Are Accelerating IT Transformation During The Pandemic

    The way we work has changed dramatically over the last 12 months. What’s more, those challenges are likely to stay for much of 2021. But there are organizations who are using this opportunity to double down on their digital transformation.

    I asked two of our Platinum partners – Mark de Groot, CEO of BPSOLUTIONS, based in the Netherlands, and Nicolas Christener, CEO & CTO, Adfinis Sygroup, based in Switzerland, about how we can and are helping our customers be more agile and innovative in the face of difficult marketing operating conditions.

  • AlmaLinux vs CentOS

    The release of AlmaLinux in 2021 was spurred by the change of CentOS Linux from an enterprise-stable operating system to an upstream development branch of RHEL.

    With AlmaLinux being branded as a replacement for CentOS, and giving users the option to migrate to AlmaLinux from CentOS, you may be wondering what the differences are between these operating systems.

    In this guide, we'll look at what makes AlmaLinux and CentOS so similar, and why new differences between the distributions are causing many to distro hop.

  • Using maliit-keyboard in a Plasma Wayland session

    For some time Plasma Wayland had built-in support for Qt Virtual Keyboard. This got dropped for better support based on the Wayland input method protocols. An application supporting this protocol is maliit. In this blog post I want to describe how to enable and configure maliit in a Plasma Wayland session.

    The support for Qt Virtual Keyboard was added by me as it is quite important to offer first class virtual keyboard support out of the box. Unfortunately the best technical option, maliit, was unavailable back then in most distributions. This made it rather impossible to built on it and instead Qt Virtual Keyboard was used. Given that I am very happy that now maliit support gets added to distributions. When installing maliit please make sure to install the newer maliit-keyboard instead of the older maliit-framework and make sure that it has an up to date git snapshot.

  • Them’s Fightin’ Herds: Linux Version Now Live!

    Yup, it’s here, and with the update comes quite a long list of changes. Buckle up, we’ve got a lot to cover in this massive 2.0 update.

    Though Them’s Fightin’ Herds — a 2D fighting game featuring ungulates — works flawlessly through Proton, I’m happy to report that, as promised from their Indiegogo campaign, the Linux version has finally made it. After personally testing it I can confirm it runs just fine on Arch with NVIDIA; no stutters whatsoever throughout the time I played the game, and online multiplayer works.

  • Open Source Artificial Intelligence: Leading Projects

    Open source artificial intelligence projects don’t always get a lot of publicity, but they play a vital role in the development of artificial intelligence. Because these open source projects are often pursued as passion projects by developers (sometimes in colleges and universities), the advances are creative and particularly forward-looking.

    Typically freed from the constraints of a corporate setting (though some are supported by companies), these open source AI projects can dream big – and often deliver ground-breaking machine learning (ML) and AI advances.

»

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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