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Programming Leftovers

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Development

  • Get started with edge computing by programming embedded systems | Opensource.com

    RTOS is an open source operating system for embedded devices developed by RT-Thread. It provides a standardized, friendly foundation for developers to program a variety of devices and includes a large number of useful libraries and toolkits to make the process easier.

    Like Linux, RTOS uses a modular approach, which makes it easy to extend. Packages enable developers to use RTOS for any device they want to target. One of RTOS's most popular extensions is the AT device package, which includes porting files and sample code for different AT devices (i.e., modems).

  • Top 15 Best DevOps Tools That Every Developer Must Know

    DevOps is a combination of development and operations. In this process, both the software engineers and operation engineers work as a single entity to deliver service and applications faster than the traditional development process. This pace allows businesses to satisfy their customers better and succeed in the marketplace. DevOps has many benefits. With a DevOps team, the company can deliver its product rapidly, with reliable development, improved collaboration, and security. Several tools have been produced to help the DevOps team. These tools make their work smooth and more accessible. Many of these tools will automate your work and save a lot of time. So, if you are on the DevOps team, you should know about these DevOps tools, which we will be talking about today.

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  • Excellent Free Tutorials to Learn QML

    Qt Modeling Language (QML) is a hierarchical declarative language for user interface layout with a syntax similar to JavaScript Object Notation (JSON).

    It can bind to C++ objects via Qt’s meta object system and also supports inline JavaScript. It’s much like HTML or XAML but without the XMLness.

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  • Qt Creator 4.15 Beta released

    We are happy to announce the release of Qt Creator 4.15 Beta!

  • 15 Quick Git Commands with Examples in Linux

    Git is an open-source distributed version control system and it’s free to use under GNU General Public License Version 2. In today’s context, everyone in software development uses it from small to very large projects because it keeps track of our source code history which adds more flexibility to projects. It’s usually used by developers in the software development process collaborating with the team as it has full control over version tracking of any set of files. Git was developed by Linus Torvalds with the intention of support for distributed, non-linear workflows, the minimal number of complexities, data integrity, and flexibility in the software development.

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  • How to write 'Hello World' in WebAssembly | Opensource.com

    WebAssembly is a bytecode format that virtually every browser can compile to its host system's machine code. Alongside JavaScript and WebGL, WebAssembly fulfills the demand for porting applications for platform-independent use in the web browser. As a compilation target for C++ and Rust, WebAssembly enables web browsers to execute code at near-native speed.

  • Perl weekly challenge 104

    Here are solutions to this weeks challenges from the Perl Weekly Challenge.

  • Python Script to Create CloudFront Invalidations

    Amazon CloudFront invalidation feature allows you to remove an object from the CloudFront cache before it expires. It allows you to remove a specific object from cache or use (*) wildcard character to remove multiple objects. You can also invalidate all the objects by using “/*” parameters to invalidation requests.

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.