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Programming Leftovers

Submitted by Roy Schestowitz on Thursday 23rd of June 2022 09:44:34 AM Filed under
Development

  • The Rust Programming Language Blog: Call for testing: Cargo sparse-registry

    The Cargo nightly sparse-registry feature is ready for testing. The feature causes Cargo to access the crates.io index over HTTP, rather than git. It can provide a significant performance improvement, especially if the local copy of the git index is out-of-date or not yet cloned.

  • This Week In Rust: This Week in Rust 448
  • Vetting the cargo

    Modern language environments make it easy to discover and incorporate externally written libraries into a program. These same mechanisms can also make it easy to inadvertently incorporate security vulnerabilities or overtly malicious code, which is rather less gratifying. The stream of resulting vulnerabilities seems like it will never end, and it afflicts relatively safe languages like Rust just as much as any other language. In an effort to avoid the embarrassment that comes with shipping vulnerabilities (or worse) by way of its dependencies, the Mozilla project has come up with a new supply-chain management tool known as "cargo vet".

  • Rethinking Fedora's Java packaging

    Linux distributors are famously averse to shipping packages with bundled libraries; they would rather ship a single version of each library to be shared by all packages that need it. Many upstream projects, instead, are fond of bundling (or "vendoring") libraries; this leads to tension that has been covered here numerous times in the past (examples: 1, 2 3, 4, 5, ...). The recent Fedora discussion on bundling libraries with its Java implementation would look like just another in a long series, but it also shines a light on the unique challenges of shipping Java in a fast-moving community distribution.

    As is often the case with Fedora, the conversation started with the announcement of a Fedora change proposal; this one is authored by Jiri Vanek. The proposal is aimed at the Fedora 37 release, which is currently planned for late October. Vanek proposes to change Fedora's builds of the OpenJDK Java development kit (JDK) to link against several of that project's bundled libraries (including zlib, FreeType, libjpeg, and HarfBuzz) rather than the versions packaged separately in Fedora. The JDK would also be statically linked against Fedora's build of the libstdc++ library.

    This proposal, however, is only the first step in a longer project to change how the JDK is built. In short, once the JDK (along with the Java runtime environment, or JRE) has been made to use its own libraries, the way these components are packaged will change. The RPM for a given JDK release will contain a single tarball that will be unpacked on the target system. Notably, this tarball will be the same for all Fedora releases, from the oldest supported release through Rawhide; the use of bundled libraries will help to ensure that this package will work the same way on all target distributions.

  • Wielaard: Sourceware – GNU Toolchain Infrastructure roadmap

    Mark Wielaard writes about improvements at Sourceware, the site that holds the repository for many projects in the GNU toolchain and beyond.

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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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