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today's howtos and leftovers

Submitted by Roy Schestowitz on Monday 11th of January 2021 08:33:33 AM Filed under
Misc
HowTos
  • How to Install KDE Plasma 5 on Arch Linux

    KDE Plasma 5 is the fifth generation desktop environment from KDE. KDE plasma requires less space and has a higher response rate. Meaning that you can run KDE in low space and feel the great user experience and smoothness. KDE plasma has a great look and feel, fresh and eye-catching icons, animations, customizable, and many pleasing features.

    For this article, we have the latest installation of Arch Linux 5.10.4 with XFCE desktop. We are going to install KDE Plasma 5.20.4 on it.

  • Machine Learning with R: A Complete Guide to Logistic Regression

    Logistic regression is one of the most fundamental algorithms from statistics, commonly used in machine learning. It’s not used to produce SOTA models but can serve as an excellent baseline for binary classification problems.

    Today you’ll learn how to implement the logistic regression model in R and also improve your data cleaning, preparation, and feature engineering skills.

  • A quick introduction to MQTT for IOT

    While I had heard the abbreviation MQTT many times, I never had a closer look at what MQTT is.

    Here are a few quick notes about using MQTT as Pub/Sub bus in a home IOT network.

  • Reverse-engineering a low-power LED flasher chip

    How do you make an LED blink? A vintage way is the LM3909, a chip from 1975 that can flash an LED for a year from a single flashlight battery. This chip has some surprising features, such as a charge pump that lets you power a 2-volt LED from a 1.5-volt battery. This IC was designed for simplicity, using just an LED, external capacitor, and battery. In this blog post, I reverse-engineer its silicon die.

  • Firefox 86: AVIF support enabled by default

    Mozilla plans to enable support for the AVIF format in Firefox 86 Stable so that AVIF image files will be displayed just like any other supported image format in the web browser.

  • OpenRAN project will not produce solution in the short term, says expert

    A technologist and inventor has poured cold water on the oft-touted notion that the Open Radio Access Network Policy Coalition — better known as the OpenRAN coalition — will produce anything in the short term to replace products from Chinese vendor Huawei Technologies, which the US and many of its allies have banned from their 5G networks.

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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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