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Devices and Open Hardware

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Hardware
  • EasyOS Dunfell 2.6.1 released for the Raspberry Pi4

    The very first release of EasyOS Dunfell-series for the Raspberry Pi4 was version 2.6, released on January 19. See announcement:
    https://bkhome.org/news/202101/easyos-dunfell-26-released-for-the-raspberry-pi4.html
    Since then, some package version bumps: SeaMonkey is now version 2.53.6 and includes the IRC chat module, ffmpeg is 4.3.1. LibreOffice is still a somewhat old version, 7.0.1.2, but I recompiled it with PDF-import support, which seemed like a good thing to have.
    Version 2.6.1 also has Samba, which had been left out of 2.6. Also added package 'smbnetfs'. Oh yes, also added package 'tigervnc', that Forum member rufwoof reported as very fast. Added package 'libvdpau-va-gl' though don't really know why.
    There were some performance issues with 2.6, that have mostly been fixed. SeaMonkey was often temporarily freezing, which seems to have been fixed by changing to 'kyber' IO scheduling. Plugging in a USB-stick, the kernel now consistently recognizes it first go -- due to version bump of the kernel from 5.10.4 to 5.10.9 and update of the device-tree.

  • Build a programmable light display on Raspberry Pi | Opensource.com

    This past holiday season, I decided to add some extra joy to our house by setting up a DIY light display. I used a Raspberry Pi, a programmable light string, and Python.

    [...]

    Each light can be individually programmed using an RGB set of integers or hex equivalents. These lights can be packaged together into matrices, strings, and other form factors, and they can be programmatically accessed using a data structure that makes sense for the form factor. The light strings I use are addressed using a standard Python list. Adafruit has a great tutorial on wiring and controlling your lights.

    [...]

    The neopixel_controller Flask application, in the neopix_controller directory of the github repository (see below), offers a front-end browser graphical user interface (GUI) to control the lights. My raspberry pi connects to my wifi, and is accessible at raspberrypi.local. To access the GUI in a browser, go to http://raspberrypi.local:5000. Alternatively, you can use ping to find the IP address of raspberrypi.local, and use it as the hostname, which is useful if you have multiple raspberry pi devices connected to your wifi.

  • OnLogic Elkhart Lake fanless mini PC's are made for IIoT applications

    OnLogic mini PCs can be configured to meet the specific requirements, and run a range of Windows or Linux operating systems. The company also offers custom branding, software imaging, custom fulfilment services, and lifecycle management support.

  • Elkhart Lake embedded PC quartet deliver triple 4K displays

    OnLogic is adding to its line of Helix and rugged, higher-end Karbon embedded PCs with four new Helix 300 and Karbon 400 models that run Linux or Windows on Intel’s Elkhart Lake.

    OnLogic has announced four fanless embedded systems built around Intel’s 10nm-fabricated, MCU-equipped Elkhart Lake Atom, Celeron, and Pentium processors. The smaller Helix 310 (HX310) and Helix 330 (HX330) and more expandable and rugged Karbon 410 (K410) and Karbon 430 (K430) all run Linux or Windows and will ship in the second quarter.

  • Arduino Create Agent 1.2.0 is finally here

    It’s been a while since the last release of the Arduino Create Agent.

    We tried to give some love to this awesome tool, in order to enhance the experience with the Create ecosystem.

  • Arduino Blog » Portenta Vision Shield now available with LoRa® module

    What better way to announce the availability of the Portenta Vision Shield LoRa than at The Things Conference 2021 – a global showcase for all the top-notch LoRaWAN products and services.

    The LoRa® module option of the Portenta Vision Shield is specifically designed for edge ML applications, enabling low-power, long distance communication over LoRa® wireless protocol and LoRaWAN networks. It’s the perfect addition to the powerful Arduino Portenta H7 which makes possible machine learning on-device, thereby greatly reducing the communication bandwidth requirement in an IoT application.

OnLogic Launches Elkhart Lake Powered Fanless Computers

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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.