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Programming Leftovers

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  • Janet Blackquill: C++ Coroutines Three: More Than Asynchrony

    If you haven't read my previous blogposts on C++ coroutines, I would recommend doing so.

    This post isn't an explanation of implementing something, as much as it is an explanation of something cool you can do in C++ using coroutines. Warning: this is very esoteric from a C++ perspective, and you're probably going to have problems understanding this post without knowing what algebraic effects are from other languages (mostly research ones), despite my best attempts to explain them.

    In short, you can implement a rudimentary version of algebraic effects using C++ coroutines.

  • Qt for Android Automotive tech preview released

    It is no secret that Google's Android Automotive OS (AAOS) has made waves in the automotive space; built to offer openness, customization, and scale to automotive information systems and head units, its adoption in production vehicles is constantly rising as it is set to further disrupt the industry.

  • GitLab 14 signals shift to modern DevOps: A DevOps platform with velocity, trust, and visibility | GitLab

    There is a better way to build software. GitLab 14 delivers modern DevOps with a complete DevOps platform, for a streamlined experience that unleashes the power of DevOps. Over the past year, GitLab has shipped advanced DevOps platform capabilities that enable any team to build and deliver software with velocity, trust, and visibility – no matter their size, industry, or location.

    With enhancements across the software development lifecycle, GitLab has placed strongly in several market reports across a broad range of areas from Enterprise Agile Planning and Application Security Testing to Continuous Delivery and Release Automation. Tying it all together with a platform approach is a keystone of the next shift in the DevOps movement. GitLab was named a representative vendor in a market overview of DevOps platforms.

    As a “new normal” is taking shape after the pandemic, companies worldwide are coming to grips with what it means to work in hybrid and remote environments. A modern DevOps solution needs to meet the emerging demands for a more flexible workplace. GitLab has been a pioneer and champion of remote work for years and was recently mentioned by Fast Company as a world-changing idea. Having unlocked many of the secrets to remote work success, GitLab stepped up to help others out by shipping a Remote Work Playbook and a Coursera course on “How to Manage a Remote Team.” Our all-remote know-how and experience went into the development of GitLab 14 to build capabilities that work wherever you do.

  • GitLab 14 Features Built-in Application Security For Risk Mitigation

    GitLab has announced the next iteration of its single application with its 14 release. This release enables global businesses to advance their adoption of modern DevOps by replacing disparate technologies and toolchains with a single DevOps platform that is configured to work by default.

    With GitLab’s CI/CD dashboard, deployment frequency charts, and monitoring, organizations gain confidence in their ability to drive both team performance and competitive advantage, with visibility on lead time for changes, change failure rate, deployment frequency, time to restore service (collectively known as the DORA4 metrics), and supporting value stream analytics that identifies and breaks down bottlenecks.

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.