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today's leftovers

Submitted by Roy Schestowitz on Tuesday 12th of April 2022 12:56:37 PM Filed under
Misc
  • Deadlock in Java

    Java provides a concept of multithreading that allows a process to execute more than one thread at the same time. Multithreading provides a wide range of benefits such as maximum CPU utilization, saving time, decreasing maintenance cost, etc. However, it has some disadvantages as well and among them, the most common limitation is that multiple threads go into a waiting state and are blocked forever and this situation is called a deadlock in java.

  • Automate checking for flaws in Python with Thoth

    Most cyberattacks take advantage of publicly known vulnerabilities. Many programmers can automate builds using Continuous Integration/Continuous Deployment (CI/CD) or DevOps techniques. But how can we automate the checks for security flaws that turn up hourly in different free and open source libraries? Many methods now exist to ferret out buggy versions of libraries when building an application.

    This article will focus on Python because it boasts some sophisticated tools for checking the security of dependencies. In particular, the article explores Project Thoth because it pulls together many of these tools to automate Python program builds with security checks as part of the resolution process. One of the authors, Fridolín, is a key contributor to Thoth.

  • 6 reasons this nonprofit chose Backdrop for its open source CMS | Opensource.com

    As a nonprofit that builds websites for other nonprofits (among other things), the Stuart Center has used a variety of platforms over the years based on experience and feedback from nonprofit partners. In the early days, we did straight HTML websites, and as content management system (CMS) technology blossomed, used Mambo (and Joomla after it forked). We then moved on and have used WordPress and Drupal for years now. As things evolve and change, we always have to re-assess and adjust course as necessary based on the audience we are serving. Of course, it's not just the technology that is changing, but the focus and priorities and end-user experience of the various projects.

    The Stuart Center serves primarily small to mid-sized nonprofits. Many of our partners don't have a full-time website person, and often people wear many hats. Funding is usually tight. They have website needs that can't always fit into a cookie-cutter solution, and they appreciate flexibility from a website so it can be a solid base that can grow and scale and adapt as their needs do. This is why we've often turned to Drupal over the last decade or so.

    In the last number of years, we've shifted and begun to suggest Backdrop to our partners as an alternative to Drupal. Backdrop not only maintains many of the strengths of Drupal: it also brings some strong new features and a particular focus on and attention to just the kind of groups that make up our audience. Here are some of the deciding factors we considered as we've observed and begun to participate in the Backdrop project. (And to be clear, this is not intended as a knock on the other projects as much as an endorsement of Backdrop – we've used WordPress and Drupal plenty and I expect we'll use them again when the project is right).

  • New Rock/OMLx 4.3 snapshot ISOs (Fixes bug 2657)

    These are a snapshot of Rock/OMLx 4.3 repositories with about 120+ upgraded packages plus about 10 new packages installed as dependencies. These are mostly bug fixes and security upgrades. People wanting to do a fresh install may use these snapshots thereby avoiding needing these updates.

  • Dependencies for new app compiled in OE [OpenEmbedded]

    The heading is deliberately vague, I want to keep the suspense. This is a very interesting new app, and I will probably post about it tomorrow.

  • Spinning up my own cloud desktop

    Sometimes I find myself wishing that I have a Linux desktop that I can access remotely. Whilst having a cloud-based desktop is not new, it is, however, a bit expensive when used sparingly.

»

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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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