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Programming Leftovers

Submitted by Roy Schestowitz on Tuesday 31st of May 2022 05:02:53 PM Filed under
Development

  • Decommissioning an old project feels odd

    I recently finished decommissioning an old project of ours: CentOS Stream 8 source-git repositories.

    It was one of the weirdest tasks I have done in my career.

    Why?

    Removing, not adding
    My main task was to remove ~1500 git repositories that almost no one used for more than 12 months.

    That wasn’t my typical assignment. I am used to work on new features, resolving problems, getting feedback; not removing content. That felt just weird to me. I had to constantly remind myself I am doing the right thing and that’s what we decided to complete.

    [...]

    I am glad we can now fully focus on our current future goal: having source-git workflow available in Fedora Linux and CentOS Stream 9. Source-git repos for Stream 8 didn’t work because of the nature of its relationship with RHEL 8. With Stream 9 we can focus on the endgame, not just some temporary solution.

  • Compiling QML to C++: Avoiding duck typing

    This is the fourth installment in the series of blog posts on how to adjust your QML application to make the most of qmlsc. In the first post we've set up the environment. You should read that post first in order to understand the others. In the second post I've shown how to add type annotations to JavaScript functions. In the third post I've shown how to navigate around various pitfalls you may find when making types visible at compile time.

  • How dynamic linking for modular libraries works on Linux | Opensource.com

    Ultimately, these files must be compiled into a single executable. You can do this by creating either static or dynamic libraries (the latter are also referred to as shared libraries). These two types of libraries vary in how they are created and linked. Both have advantages and disadvantages, depending on your use case.

    Dynamic linking is the most common method, especially on Linux systems. Dynamic linking keeps libraries modular, so just one library can be shared between any number of applications. Modularity also allows a shared library to be updated independently of the applications that rely upon it.

  • Perl Weekly Challenge 167: Circular Primes

    These are some answers to the Week 167 of the Perl Weekly Challenge organized by Mohammad S. Anwar.

»

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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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