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Programming Leftovers

Submitted by Roy Schestowitz on Tuesday 14th of June 2022 10:24:22 PM Filed under
Development

  • The Ultimate Emacs Guide for Editing Files on Linux

    Emacs is one of the oldest text editors you can find today. It has been in development for over 40 years as of the year 2022.

    Emacs is cross-platform, open-source, and versatile. You can use it for a wide range of things, from editing configuration files to programming and document processing. Understanding how to use this powerful editor can greatly improve your productivity on Linux.

  • Assembly instructions distribution | Frederic Cambus

    In my article about running FreeBSD on the Vortex86DX CPU, I mentioned using objdump to disassemble kernels in order to check whether they were using CMOV instructions or not.

    One thing leading to another, I thought it would be fun to calculate the distribution of assembly instructions in ELF binaries. It turns out it can be done rather easily with a bit of Shell foo.

    For the purpose of this article, I used SQLite 3.38.5 (2022-05-06) built with GCC 12.1.1 on Fedora 36 using the default optimization level (-O2) as a target binary to test instructions distribution against. It is a self-contained, full-featured SQL database engine as a single binary, making it an excellent choice for our experiment.

  • The 12 Habits of Highly Effective Python Developers • Python Land Blog

    I’ve worked with many software developers, some of them fresh out of college and others seasoned professionals. This article lists some of the traits these people seem to have in common, and I’m confident that there’s something to learn for everyone in here, no matter your track record!

  • Hopf torus, circle by circle

    Remember my first post on the Hopf torus? I constructed it circle by circle. Below are some animations of this construction. I save the image each time a circle is added. The rgl package automatically centers the plot, and this gives a nice effect.

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More in Tux Machines

digiKam 7.7.0 is released

After three months of active maintenance and another bug triage, the digiKam team is proud to present version 7.7.0 of its open source digital photo manager. See below the list of most important features coming with this release. Read more

Dilution and Misuse of the "Linux" Brand

Samsung, Red Hat to Work on Linux Drivers for Future Tech

The metaverse is expected to uproot system design as we know it, and Samsung is one of many hardware vendors re-imagining data center infrastructure in preparation for a parallel 3D world. Samsung is working on new memory technologies that provide faster bandwidth inside hardware for data to travel between CPUs, storage and other computing resources. The company also announced it was partnering with Red Hat to ensure these technologies have Linux compatibility. Read more

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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