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today's leftovers

Submitted by Roy Schestowitz on Thursday 13th of June 2019 07:54:32 AM Filed under
Misc
  • Navigating your filesystem in the Linux terminal
  • Install and enable ssh server on Centos 7
  • GSoC 2019 – Week 2 with the Titler Tool

    In the last week, I gained progress with the QML rendering library (see the code here)

    It is doing what it is supposed to do – it renders an input QML file to output frames of a specified format and renders it as quick as possible (with QQuickRenderControl). If you want to test it out – there is CLI access to it through an executable (which is one of the things I’ve been working in the last week) for the library in the test directory here (make sure you read the READMEs along the way!)

    So let’s try to understand what really happens at the core of the library i.e. the rendering part.

    To render QML, the obvious approach is to take ‘screenshots’ of each frame using a grab() method which would grab all the pixels at each instant of time and then render it – not only is this darned slow and expensive, it is also not possible to render at a custom frame rate that way.

  • Mathpix’s Snip Coverts Screenshots to LaTeX Formulas

    Mathpix writes: “Take a screenshot of math and paste the LaTeX into your editor, all with a single keyboard shortcut.” For macOS, Windows and Ubuntu.

  • Making Kubernetes Work Like Linux: Weaveworks COO

    He gave the example of Linux. Everyone understands how to deploy, monitor, manage and look after Linux distributions. But in the Kubernetes world, nothing is standardized. People do things with their own hand-built tools. Everyone’s building their own house in their own way. “What we are trying to do is provide a standardized workflow for how to deploy, configure, monitor, update and look after Kubernetes. What we are doing is providing a standard set of workflows to work with any Kubernetes and any sets of applications,” he said.

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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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