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Programming Leftovers

Submitted by Roy Schestowitz on Sunday 2nd of January 2022 04:54:36 PM Filed under
Development
  • Retrospective: Software Architecture

    The last post in the Winter Blog Backlog series will be about software architecture.

    Why write about this big, fuzzy topic? Because the design of Oil revolves around some controversial architectural decisions, like untyped byte streams as a solid foundation for a modern shell language, and for large distributed systems. A JSON file is a byte stream, and that's a feature, not a bug!

  • HOWTO AoC

    Some tips about participating in Advent of Code.

    AoC is not a competition

    If you were to go with online opinion, AoC is all about getting the solutions as fast as possible. This is actually not true, apart from the top 100 scorers every day[1]. Many people post their full solution online on the AoC subreddit as soon as the top 100 slots have been filled. So if you want to get 50 stars, you pick a popular language (like Python), hang out in the solutions megathread, and run the first posted solution on your input to get the correct results.

    If your organization has a “competition” where the top scorers in their leaderboard get some reward, don’t participate. It’s too easy to suspect someone of “cheating” for it to be fun.

    Instead, focusing on using the event to expand your skills

  • Developer Network Effects

    AWS recently announced Re:Post, a Q&A site focused on AWS technologies. I think this is a great idea, and is doubling down on a key competency of AWS – there's always someone else who has already done it on AWS. It fills a void left by an aging and stagnant StackOverflow (which was acquired earlier this year by an investment group).

    Q&A sites are one of the most useful developer resources because they aggregate network effects. Copying code from StackOverflow's Q&A has is such a meme that the company came out with a Copy/Paste keyboard for April Fools with only three keys – Control, C, and V. In every meme, there is truth.

  • strlcat(3) > strncat(3)

    In my Advanced Programming in the UNIX Environment class, I frequently observe common anti-patterns that appear all too easy for students to adopt. One of those is the unsafe use of strncat(3), which I'll demonstrate here together with an explanation of why you should use strlcat(3) instead.

  • Stems as mock data structures in REXX

    An experimental "Tutorial as Code"

»

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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

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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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