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today's leftovers

Submitted by Roy Schestowitz on Thursday 30th of August 2018 10:10:16 AM Filed under
Misc
  • The End of the Sun is a first-person adventure game inspired by Slavic mythology and legends

    From the press email we got sent (thanks Xpander) Linux is a confirmed platform for the game.

  • 3D printing with Atelier

    During this year's Akademy conference, Lays Rodrigues introduced Atelier, a cross-platform, open-source system that allows users to control their 3D printers. As she stated in her talk abstract, it is "a project with a goal to make the 3D printing world a better place". Akademy is the KDE community's annual conference. This year it took place in Vienna and the program included a number of hardware-related talks as part of the conference portion held during the weekend of August 11 and 12.

    [...]

    The AtCore library's function is to provide an abstraction for the serial communication with the printer and control of it. It provides a generic layer that is independent from the user interface. AtCore can thus work with any interface, "including QML", she added. AtCore uses pure C++ with Qt for performance reasons. Rodrigues gave memory usage when printing as an example: Atelier requires 200MB of memory while other, similar programs may require 2GB. AtCore supports most open-source 3D-printer firmware using a plugin architecture to handle differences between different firmware implementations. Rodrigues showed at one point the list of the supported printer firmware, which corresponds to the list of supported printer models.

    The second part of the team's work is the "test client": Atelier. However, it is a full 3D host system, not just a test program. It uses the KDE libraries in addition to Qt — and the AtCore library, of course. Rodrigues ran a demonstration of a number of Atelier features. The configuration she used included a laptop running Atelier and a small embedded system with the printer firmware. The demo included all stages of the printing process.

  • Akademy 2018 in Vienna

    Akademy 2018 was hosted in TU WEIN university, Vienna from 11th to 17th August, 2018.Being part of this Akadmey gave me a chance and opportunity to meet all the fellow KDE contributors in person and socialize with them.

    First two days some contributors gave presentations on their respective projects.
    Rest of the week was BoF (Bird of Feather) sessions, BoF sessions are great way to discuss things with other community members and gather feedback. There were also workshop sessions organized by KDE e.V. for community members.

  • Moving towards a software defined IoT business model

    The opportunity to capitalise on the internet of things is significant for many companies, but that doesn’t mean that it is a straightforward journey to success. Companies need to analyse their current business practices and evaluate where benefits can be gained – and for some this could be changing their business model in its entirety.

    Device manufacturers are a prime example of this. With hardware commoditisation forcing their margins downwards and low-cost competitors applying increasing pressure, manufacturers need to build a sustainable business that brings in continuous revenue beyond the initial device sale. By devising a software-led strategy, device manufacturers can transition to new business models underpinned by IoT app stores and ecosystems of 3rd party ISVs (independent software vendors).

»

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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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