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Open Hardware, Programming and Canonical/Ubuntu

Submitted by Roy Schestowitz on Tuesday 17th of May 2022 06:32:01 PM Filed under
Development
Ubuntu
  • “ESP32-C3-0.42LCD” is a tiny WiFi & BLE IoT board with 0.42-inch display, Qwiic connector

    01Space “ESP32-C3-0.42LCD” is a small (23.5 x 18 mm) board equipped with ESP32-C3 RISC-V WiFi and Bluetooth microcontroller, a 0.42-inch display, and a Qwicc I2C connector to easily add modules such as sensors.

  • Rack up the highest grocery bill possible in the Bonprix game | Arduino Blog

    It seems like everyone these days is trying to reduce their grocery bill as much as possible, but Niklas Roy and Kati Hyyppä’s interactive installation, Bonprix, turns the tables by making the goal to spend the most money on whatever items can be scanned within 90 seconds.

    Bonprix is meant to resemble a self-checkout machine that can be found at nearly any supermarket. The base was constructed from reclaimed wooden pallets and topped with a silver checker plate foil for that authentic experience. At the center is where all of the electronics are located, which includes a cheap handheld barcode scanner and an old laptop to show the game.

  • Snapping PhotoNoteBook: Lessons from the kitchen table, or: How an Android app got converted to a Linux snap | Ubuntu

    The idea for PhotoNoteBook was seeded in 2018 after watching a Double-Glazing salesman measure my windows. He would make a pencil drawing of the windows, and make notes as to the sizes of the panes. I thought: “In the age of smartphones and tablets, that’s ridiculous!”

    Later in the year, my partner and I were on holiday. She spotted a flower on a cliff side, and not knowing what it was, she took a photo with her smartphone so she could look it up once we returned home. But then, one month later, she could not remember where the photo was taken. I felt: “What a pity she could not have made a quick note of where she was, and have the date and time recorded.” The idea for PhotoNoteBook was born!

    [...]

    The deployable image and its Java runtime environment are self-contained. For the Windows OS, this means it has all of the dynamic runtime libraries (DLLs) required to to provide common functions and interface to the Windows OS. For Linux, it means that the required dynamic libraries (.so) are included in the runtime image.

  • New version of Ubuntu is officially Raspberry Pi runnable

    And it’s not just the Raspberry Pi 4 that will run the desktop Linux, but the full Pi range (though I think it’d be best to stick to the latest Raspberry Pi 4).
    It seems the latest release includes optimisations that can double the desktop frame rate for Intel and Raspberry Pi graphics drivers. (Our own Engineer-In-Wonderland has previously written about using a Pi for their own computing work, BTW.)

    The support was made possible, apparently, via the GNOME (GNU Network Object Model Environment) desktop environment, with version 42 featuring improvements in handling “power profiles and streamlined workspace transitions”.

  • The Fridge: Ubuntu Weekly Newsletter Issue 735
  • Ubuntu Weekly Newsletter Issue 735

    Welcome to the Ubuntu Weekly Newsletter, Issue 735 for the week of May 8 – 14, 2022.

  • 1.61.0 pre-release testing [Ed: Rust is outsourcing even its release notes to a proprietary platform controlled by Microsoft. And if you know anything about programming autonomy, you'll not take them seriously.]

    The 1.61.0 pre-release is ready for testing. The release is scheduled for this Thursday, May 19th. Release notes can be found here.

»

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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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