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today's leftovers

Submitted by Roy Schestowitz on Tuesday 12th of April 2022 12:44:44 PM Filed under
Misc
  • curl 7.82.0 Adds --json Option

    It's actually a combination of the following options: [...]

  • Windows MetaStealer Malware

    Since Wednesday 2022-03-30, at least 16 samples of a specific Excel file have been submitted to VirusTotal.

    These malicious Excel files are distributed as email attachments.

  • The crazy drama behind the High Court ruling ZIMDEF’s SAP software tender is illegal

    In early 2021 the Zimbabwe Manpower Development Fund (ZIMDEF) called for companies to bid to provide it with Systems Applications and Products (SAP) software. Companies made their bids and ZIMDEF picked one, Tano Digital Solutions, and thought that would be the end of that.

    Nope, it’s never that simple. One company challenged the awarding of the tender to Tano and the High Court of Zimbabwe upheld it. Effectively ruling that the tender award was illegal.

  • What might degrowth computing look like?

    The past few years have seen various attempts within computing, programming and hacker communities to apply ‘degrowth’ principles to their work – i.e. sketching out ways to de-couple digital technology from the growth-focused imperatives of capitalist societies. These efforts have so far progressed in a piecemeal manner, led by assorted groups with broad interests around ‘radically sustainable computing’ (Heikkilä 2021). The hope, of course, is that these initial developments might signal the beginnings of mainstream change.

    One area of interest involves what has been labelled ‘Collapse Informatics’. This explores ‘preparedness’ approaches to computing – i.e. building systems in the abundant present that might later prove durable during subsequent times of scarcity. Allied to this is the notion of ‘Permacomputing’, advocating the application of permaculture principles to the digital domain. Here, interests centre on developing ways in which computing can be sustained through practices of re-use, repair, maintenance and non-waste. Crucially, permacomputing stresses the need to develop digital technologies that are drastically less reliant on artificial energy, and designed in ways that acknowledge their interdependence with natural systems.

  • Bayesian Estimation by using rjags Package

    This post shows how to use rjags R package to perform Bayesian MCMC estimation with multiple linear regression example. This is an easy tool for Bayesian analysis for us only if we understand the meaning of hyper-parameters of various prior distributions and use them without hesitation. \(\blacksquare\)

  • Plan9: Everything is (Really) a File

    One defining trait of Unix is that, in principle, everything is a file. This simplicity in design means that the same tools and APIs can be used for all sorts of things – managing physical devices like keyboards and mice (devfs), accessing kernel and process information (procfs), and of course your run-of-the-mill normal files. Yet, as surface area grew, syscalls and other APIs grew into implementations.

    Plan9 is one implementation that tried to generalize the Unix principle of "everything as a file" to everything, including things like computing and network resources. It was designed at Bell Labs by Ken Thompson (Unix, B, UTF-8, grep, and Go) and Rob Pike (Unix, UTF-8, Go) and others who worked on Unix. The OS has two design philosophies: (1) a simple messaging-oriented file system protocol (9P), and (2) a per-process name space.

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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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