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Programming Leftovers

Submitted by Roy Schestowitz on Saturday 5th of June 2021 03:30:43 AM Filed under
Development
  • Junichi Uekawa: emacs tramp mode for chroot.

    emacs tramp mode for chroot. I saw tramp for docker and lxc so I figured it must be possible to write a mode for chroot. I wrote one for cros_sdk and that made my life much easier. I can build and run inside chroot from emacs transparently. Seems like it should also be possible to write something for dchroot.

  • PetaLinux: Embedded Linux via command line in a short test

    Full-fledged Linux distributions may also be executable on a simple ARM Cortex A9, but there they waste unnecessary storage space. The Yocto modular system has established itself for resource-saving implementations. Thanks to the modularization of the functions in working levels (layers), it allows the creation of compact embedded distributions. The functionality of Yocto is hardly inferior to full Linux versions. In the Yocto working levels, developers can, for example, accommodate graphic QT applications, which the compiler then translates as well.

  • Wasmer 2.0 WebAssembly Runtime Is Near With Much Faster Performance

    WASM3 v0.5 released this week for that WebAssembly interpreter that claims to be the fastest. The Wasmer WebAssembly runtime for WASI/EmScripten meanwhile released its initial 2.0 release candidates this week where it's been upping the performance.

  • # Perl Weekly Challenge 115: String Chain and Largest Multiple
  • Mohammad S Anwar: Let's be friend ...

    It has been a long time since I last blog. The main reason behind the blog is put forward my views in response to the questions raised earlier. It did hurt me to read about it. Havind said, I do my best not to upset anyone knowingly. It would have been lot better if it was addressed to me and not public.

    The mission PWC came into existence to fill the void created by the closure of “Pull Request Challenge” ran by Neil Bowers. Also being co-editor of the Perl Weekly newsletter, I was having difficult time to look for Perl related blog post. Irrespective of quality, there was time when I couldn’t find more than just one or two. Also there was so much negativity around Perl on various social platform. On top of that there wss rivalry between Perl and Raku supporters. Around that time, I had lots of spare time as well, so I decided to start the project PWC keeping in mind many goals as listed in no particular order.

  • Doing Some Funky HTML Sh*t with Raku

    So this all got me wondering what my funky PHP/HTML sample would look like in a fully fledged Cro / Raku style… in the spirit of keeping this post briefish, I will skip the Cro Templates and CSS parsing for now and hope to cover them in subsequent missives…

    [...]

    Personally I love to write (and read) html when done in this kind of programmatic style. Not least it has cut 19 lines of embedded code to 10 lines (and that means I can squish more code into my screen and into my brain). No longer do I have to dance my right pinkie around the < / > keys or worry about leaving out the closing end tags!! Another neat helper is the Raku pair syntax, so if I define a scalar with the same name as the attribute name, I can avoid repetitive typing and the consequent opportunity to make a mistake… e.g. the :$action attribute in the form tag.

  • How to use a Bash script for-loop for system administration in Linux - TechRepublic

    Bash scripting remains a staple of my endeavors in Linux as a system administrator, and I use it every day to ease my workload. One of my most commonly used type of shell scripts involves a for-loop which processes and applies commands to servers based on a text file I've created containing the target host names.

  • Set and use environment variables in FreeDOS | Opensource.com

    A useful feature in almost every command-line environment is the environment variable. Some of these variables allow you to control the behavior or features of the command line, and other variables simply allow you to store data that you might need to reference later. Environment variables are also used in FreeDOS.

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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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