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today's howtos and programming

Submitted by Roy Schestowitz on Thursday 19th of September 2019 08:23:36 PM Filed under
Development
HowTos
  • Create backup copy of file, adding suffix of the date of the file modification (NOT today's date)
  • Sysadmin job levels: What you need to know for each
  • Easing into automation with Ansible
  • iptables allow vnc
  • Kubernetes deployment yaml example for beginners
  • Source Command on Linux Explained
  • An introduction to audio processing and machine learning using Python

    At a high level, any machine learning problem can be divided into three types of tasks: data tasks (data collection, data cleaning, and feature formation), training (building machine learning models using data features), and evaluation (assessing the model). Features, defined as "individual measurable propert[ies] or characteristic[s] of a phenomenon being observed," are very useful because they help a machine understand the data and classify it into categories or predict a value.

  • Excellent Free Books to Learn Lisp

    Lisp (derives from “LISt Processing”) is one of the oldest programming languages. It was invented in 1958, with the language being conceived by John McCarthy and is based on his paper “Recursive Functions of Symbolic Expressions and Their Computation by Machine”. Over the years, Lisp has evolved into a family of programming languages. The most commonly used general-purpose dialects are Common Lisp and Scheme. Other dialects include Franz Lisp, Interlisp, Portable Standard Lisp, XLISP and Zetalisp.

    The majority of Lisp implementations offer a lot more than just a programming language. They include an entire environment such as debuggers, inspectors, tracing, and other tools to add the Lisp developer. Lisp is a practical, expression-oriented, interactive programming language which uses linked lists as one of its major data structures. A Lisp list is written with its elements separated by whitespace, and surrounded by parentheses. Lisp source code is itself comprised of lists.

    The language has many unique features that make it excellent to study programming constructs and data structures. Many regard Lisp as an extremely natural language to code complex symbolic reasoning programs. Lisp is popular in the fields of artificial intelligence and symbolic algebra.

  • Easy-to-use tools are key to CI/CD success says 2019 State of DevOps Report

    The most effective strategies for scaling DevOps and fostering productivity include easy-to-use tools and solutions that create community, according to the 2019 Accelerate State of DevOps Report.

    This year’s report, written by Dr. Nicole Forsgren, Dr. Dustin Smith, Jez Humble, and Jessie Frazelle, represents six years of research and data from more than 31,000 professionals and aims to better understand how the technical and cultural practices associated with DevOps affect team and organizational performance. It also explores ways to help improve performance and productivity and even reduce burnout.

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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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