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GNU/Linux in Devices and Open Hardware

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  • MontaVista Partners with Mercury Systems Inc. to Provide Hardened Linux support for the Aerospace & Defense Market
  • Renesas Simplifies 5G Networks with Industry’s First IEEE 1588 Synchronization Software in Clear Source Code Format

    Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today introduced PTP (Precision Time Protocol) Clock Manager, the industry’s first Linux-based clock management software, providing an easy-to-use and accessible timing synchronization solution for telecom networks, including 4G, 5G, and open radio access network (O-RAN), including both fronthaul and backhaul systems.

  • Raspberry Pi heatsink and case fan continued

    Two months ago, I mentioned that I was looking to buy a heatsink for my Raspberry Pi on AliExpress (AE). I specifically looked for and ordered a heatsink that came with an adhesive thermal pad. Among the customer reviews of heatsinks on AE, I found other customers had resorted to installing their heatsinks with super glue. That’s a bad idea as regular super glue is a thermal insulator. In the meantime, the Raspberry Pi Foundation had released a potentially better and official cooling accessory.

    Long story short, the heatsink I’d ordered arrived seven weeks later with a poorly fitted bit of regular double-sided tape (a thermal insulator) instead of a thermal pad. That’s the risk of shopping on AE: the product titles and descriptions are keyword-stuffed, machine translated from Chinese, and on top of that, some sellers don’t mind lying about their products.

  • Arduino Blog » The Ohmmeter 2.0 displays resistor band colors

    Bands on through-hole resistors conveniently indicate their value at a glance. On the other hand, you have to actually know the code to interpret this meaning. Alternatively, you could use the Ohmmeter 2.0 — developed by Miguel Alejandro Ramírez Anaya and José Miguel Galeas Merchán from the University of Málaga in Spain.

    Their Arduino Mega-powered device has three modes. First, it enables you to enter resistor value with a keypad and then displays the corresponding resistor colors on a large resistor model via RGB LEDs inside. You can also input the color values directly using the keypad along with a small OLED screen. Last but not least, the Ohmmeter 2.0 can even measure a component’s resistance through a pair of terminals, replicating color values on the 3D model.

  • Some really tiny USB-C boards – MangoGeek dual serial USB board and Ant2 LiPo Charger

    The most touted advantages of the USB Type-C port are that it is reversible, enables more reliable and faster charging, and extra features like DisplayPort alt mode. But it’s also about as small as the micro USB port, and yesterday I came across two really small board with a USB-C connector: Ant2 LiPo charger board and a TTL to USB debug board from MangoGeek with two serial ports.

    [...]

    I did not come across USB-C board with MCU yesterday, but in the past, I covered Seeed Studio XIAO board measuring 23.5 x 17.5 mm. It’s over twice the size of the board above, but it’s the smallest USB-C microcontroller board that I know of.

  • RV64X: A Free, Open Source GPU for RISC-V

    A group of enthusiasts are proposing a new set of graphics instructions designed for 3D graphics and media processing. These new instructions are built on the RISC-V base vector instruction set. They will add support for new data types that are graphics specific as layered extensions in the spirit of the core RISC-V instruction set architecture (ISA). Vectors, transcendental math, pixel, and textures and Z/Frame buffer operations are supported. It can be a fused CPU-GPU ISA. The group is calling it the RV64X as instructions will be 64-bit long (32 bits will not be enough to support a robust ISA).

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More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

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.