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Programming Leftovers

Submitted by Roy Schestowitz on Monday 11th of January 2021 04:52:15 PM Filed under
Development
  • AMD Publishes More Zen 3 Compiler Support Patches For LLVM - Phoronix

    AMD is back on track publishing more Zen 3 compiler support patches for the LLVM compiler stack.

    Last month AMD engineers began posting their "znver3" support for LLVM that was largely replicating the existing Znver2 (Zen 2) target and exposing the newly-enabled instructions. Fortunately, now through the holidays, further work is coming for LLVM and presumably GCC in time.

  • You think you're an X, but you're only a Y | The Incredible Journey [blogs.perl.org]

    The "time" part always comes out as a string, even though it's clearly a number. Was this a bug in my module, some kind of dual-string-and-number wannabee variable which JSON::Create falsely turned into a string?

    As it happens, no. Git::Raw actually puts the number into a string. (The newSVpv there makes a new Perl string, and the sprintf above that does exactly the same job as Perl's sprintf.)

    So Git::Raw turns the original C variable of the form git_time_t, a 64-bit integer type representing the number of seconds since the "epoch" (1970), into a string, perhaps to avoid the "year two million" problem or whatever, because Perl can hold up to 52 or 53 bit integers.

    Anyway Perl's monkey business with numbers and strings, and the lack of booleans, makes creating JSON quite complicated, although not as complicated as identifying cats in photographs and youtube videos.

  • How To Count Files And Directories in Linux

    Being able to count files in a directory on Linux, or directories themselves, is a useful admin task to know how to carry out. It may be that you are troubleshooting disk space issues or it could be that you are investigating a problem with log file rotation. There are many reasons why you may want to count files in a directory or to count the number of directories.

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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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