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Programming Leftovers

Submitted by Roy Schestowitz on Thursday 2nd of June 2022 09:38:12 PM Filed under
Development
  • OpenEmbedded Dunfell revision-9 compile

    Yocto/OpenEmbedded released a minor bump of their Dunfell release to 3.1.16, so I have sync'd with that and done another complete recompile. A total of 935 packages and it took 19½ hours. The compile was on a USB3.0 SSD (1TB Crucial MX500 SATA), Lenovo Ideacentre PC with i3 CPU and 32GB RAM.

  • Get started with Cadence, an open source workflow engine | Opensource.com

    Modern applications require complicated interactions between long-running business processes, internal services, and third-party APIs. To say it's been a challenge for developers is putting it mildly. Managing these processes means tracking complex states, preparing responses to asynchronous events, and communicating with often unreliable external dependencies.

    Developers typically take on these complex challenges with solutions that are just as convoluted, assembling unwieldy systems that leverage stateless services, databases, retry algorithms, and job scheduling queues. Because these complex systems obscure their own business logic, availability issues are common, often stemming from the application's dependence on scattered and unproven components. Developer productivity is regularly sacrificed to keep these sprawling, troubled systems from collapsing.

  • DEADLINE EXTENDED – Call for Presentations: Qt World Summit 2022

    We've extended the deadline for the Qt World Summit 2022 Call for Presentations until June 24, 2022. With this extension, you'll have an additional two weeks to finalize your submission. As a reminder, we are looking for speakers, collaborators and industry thought leaders to share their expertise with the community during the upcoming virtualQt World Summit on November 9, 2022. We are looking for a wide range of topics that you think are important to the community.

  • Replay Cron Events With Cron::Sequencer

    Trivially find out which cron events ran, or will run, for an arbitrary time range; allowing you to rerun, debug, fast forward (speed up test iterations), with cron-sequencer:

    cron-sequencer --show "last hour" /path/to/crontab

    At Humanstate we still use cron to drive many of our backend processes. While we continue to move some to event and message driven logic, there will always be a number of jobs that have to run at very specific dates and/or times: communications with banks, archiving, backups, and so on. That’s where cron comes in.

  • This Week In Rust: This Week in Rust 445
»

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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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