Bonum Certa Men Certa

Links 08/09/2023: Release of Francis 1.0, EnterpriseDB Chooses GNU General Public License v3 for Component



  • GNU/Linux

    • Server

    • Kernel Space

    • Applications

    • Instructionals/Technical

      • Red HatHow to trigger jobs manually in Packit

        Packit is an open source project aiming to ease your project's integration with Fedora Linux, CentOS Stream, and other distributions. Packit is mostly used by projects that build RPM packages. We won't go through the onboarding process that was already described in a previous article, but we would like to introduce you to new features that were recently promoted into production.

        Testing Farm execution

        From Packit, you can easily trigger the tests on Testing Farm even without building the RPMs. This is very handy for projects that basically don't build RPMs but want to use these two services for verifying the code. As a good example, we can refer to the Strimzi project where users consume container images.

        In such cases, the users want to trigger the tests, verify the code and see some output. This option is available from the beginning. Users can easily define when to execute the tests for every pull request, commit, or release. That sounds pretty cool; however, when you have complex tests (5+ hours per test run) as we have in Strimzi, you probably don't want to trigger all tests for each commit. So, how can the users achieve that?

      • Podman Vs. Docker: Exploring Key Differences and When to Make the Switch

        Podman is an open-source container management tool that provides a way to create, manage, and run containers on your Linux systems. Sounds familiar, right? If you’ve ever used Docker in your life, you can relate their similarities.

      • Tmux Tutorial: Mastering the Basics

        What is tmux? Tmux is a terminal multiplexer that allows you to manage multiple terminal sessions with a single terminal window, and you can easily switch between those multiple terminal sessions. Why use tmux?

      • TecAdminUsing if-else in Dockerfile

        Docker is an essential tool for containerizing applications, making them portable and isolated. The Dockerfile is a key component in the Docker ecosystem, allowing developers to specify how their application should be containerized. Often, there is a need for conditional logic in Dockerfiles, much like you would find in programming scripts.

      • MWL60 Seconds of WIP, 7 September 2023

        Run Your Own Mail Server has finally forced me to write a bit about netcat versus telnet. Netcat is a flexible network tool that, among other things, allows you to connect to arbitrary TCP/IP ports. We’ll use it for testing services.

      • Red Pixels Ventures Ltd How to Take Screenshots on a Laptop or Desktop Using Windows, macOS or Linux

        How to take a screenshot on a laptop is one of the most commonly asked questions by users when they start using a computer running on Windows, macOS, or Linux. There are several ways to take screenshots on your laptop or desktop computer, from using keyboard shortcuts to opening apps designed to crop, rotate, annotate, and print the image you have captured from your screen. However, the fastest way to take a screenshot is through pressing a combination of keys on your keyboard for the screen capture functionality.

    • WINE or Emulation

      • ScummVMAndroids get a companion. iOS port public testing

        The day has come. We are super happy to announce public beta testing for the iOS port of ScummVM in the store. Yes, you read it right! Since Lars Sundström, aka lman, joined our team as the iOS porter, we have made significant progress. Thus, you no longer need to compile ScummVM yourself in order to add it to your iOS or iPadOS device.

        If you want to help by testing this version, just follow this Testflight link and enroll yourself in the test program. This may require installing Apple’s Testflight app. You can find instructions on how to install games and how to play them on our documentation portal.

    • Desktop Environments/WMs

      • K Desktop Environment/KDE SC/Qt

        • Carl SchwanFrancis 1.0

          Today is my birthday but it’s also the day Francis got its first release. Francis is a pomodoro app, which was originally developed by Felipe Kinoshita. The Pomodoro Technique is a time management method developed by Francesco Cirillo in the late 1980s. It uses a kitchen timer to break work into intervals, typically 25 minutes in length, separated by short breaks.

        • “Bring Back [obscure feature]!”

          Did a feature you love disappear from your Free Software project of choice? Before kicking up a fuss on Reddit, read this.

        • KDE Frameworks 6 / Plasma / Gear Release Schedule Plan

          The Qt 6 based KDE Frameworks 6 (KF6) development is ongoing since some time.

          Already many things including Plasma and several applications, like Kate, have working KF6 based development versions.

          KDE contributors did meet this week online for planning the final release time-frames.

  • Distributions and Operating Systems

  • Free, Libre, and Open Source Software

    • SaaS/Back End/Databases

      • Silicon AngleEnterpriseDB releases PostgreSQL cluster deployment tool [as Free Software]

        EnterpriseDB Corp., which sells a commercial version of the popular open-source PostgreSQL database management system, today said it’s making Trusted Postgres Architect available as open source under the GNU General Public License v3. TPA is a tool for automating the deployment and configuration of high-availability Postgres clusters.

    • Programming/Development

      • Ted Unangstenjargo - another way to generate go json encoders

        Some people, when presented with a data structure, think let’s encode this to json. Now they have two problems. Encoding and decoding. In response to this dilemma, various libraries were created, such as rust serde or go encoding/json, to facilitate drama and debate about which approach is best.

        Enter enjargo, another approach for go quite different from the standard library, which exists mostly to complete the D triumvirate with a bit of didacticism, and not so much to be a practical option.

      • Python

        • Towards a new SymPy: part 1 - Outline

          The other posts in this series can be found at Towards a new SymPy.

          Over the last year in particular I have been working as a part of a CZI funded project that has three strands. One of those three strands is for me to work on speeding up SymPy. Now that we come to the end of that year, I want to describe what has been done and spell out a vision for the future.

          I will be writing this in a series of blog posts. This first post will outline the structure of the foundations of a computer algebra system (CAS) like SymPy, describe some problems SymPy currently has and what can be done to address them. Then subsequent posts will focus in more detail on particular components and the work that has been done and what should be done in the future.

          I am writing this with the intention that it should be accessible to someone who is not a SymPy developer although other SymPy developers are the intended audience for many of the points that I will make. Many of the things that I will describe here are not well understood even by many SymPy developers though and a major goal of this series of posts is to help to try to change that.

        • Towards a new SymPy: part 2 - Polynomials

          This post will describe SymPy’s computational algebra system for polynomials and how each of these steps could be applied to speed up SymPy. I will talk a bit about FLINT and python-flint but I will also write a separate post about those because I know that some people will be more interested in using python-flint than SymPy itself and I hope to encourage them to contribute to python-flint.

          As before I am writing this with the intention that it should be to some extent understandable to non SymPy developers. The primary intended audience though is other SymPy developers because I want them to understand the significance of the work done so far and the changes that I think are needed for the future.

        • LWNBenjamin: Towards a new SymPy

          In a series of posts on his blog, Oscar Benjamin looks at SymPy, which is a Python-based symbolic-mathematics library. In the first article, he outlines the ""big changes for SymPy with particular focus on speed"". The second covers polynomial handling; subsequent articles will examine other pieces of the puzzle.

  • Leftovers

  • Gemini* and Gopher

    • Politics and World Events

      • How to increase Bible engagement

        As someone who spent my adolescent and young adult years in some form of Evangelical Protestantism (Christian Reformed to JW to Independent Fundamental Baptist to Charismatic/Pentecostal), and as someone who majored in biblical studies as an undergrad for a couple of years, I thought I knew the Bible from the cover to cover. So it was quite a shock for me earlier this year to find out how little I knew about it, while I was taking Bible survey classes at CLI.

        According to the American Bible Society's "State of the Bible" survey in 2022, there was an "unprecedented drop" in Bible engagement during the early part of last year. This is when the survey's definition of Bible engagement is "reading the Bible outside church settings at least three or four times a year." Even under this shallow bar, the engagement dropped by 11 percent between 2021 and 2022.

    • Technology and Free Software

      • The Middle

        I enjoy playing video games, but I don't consider myself a "gamer" in any substantive fashion. I mostly play the same set of old games from my childhood, and when I do buy new consoles, I often make the purchase years after the consoles were first released--sometimes even waiting until the next generation to save some money. I also very rarely buy games on release. My wife, on the other hand, often pre-orders games, and sometimes she has to twist my arm to get me to play games with her.

        [...]

        This behavior contrasts with people who play video games casually: those who try out a game at a friend's house, or maybe get introduced to a game via a coworker, a Facebook friend, or even their children. They may play video games or only half an hour or an hour at a time, and if they find they don't like it, they'll likely never touch the console again, let alone that particular game. Even if they find that they like it, they may only play socially, or when they have some empty time between other hobbies or interests. Such people rarely play games for more than a dozen or so hours a year.

      • stream 3

        my phone is in black and white. it goes into sleep mode when the time comes. the time comes always at 8 30 pm now. the baby is here because she makes me wake up early so I go to bed earlier so my phone is black and white and gray. it is mostly gray. the gray takes and takes and takes and sucks and it sucks. songs that suck suck. songs that suck rock suck rocks

        go into the day with another life behind you. the only way to live is to remember. the only thing you can do is live. so you must remember.


* Gemini (Primer) links can be opened using Gemini software. It's like the World Wide Web but a lot lighter.



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