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today's leftovers

Submitted by Roy Schestowitz on Thursday 17th of February 2022 10:27:48 AM Filed under
Misc
  • Coin-Operated Graphing Calculator Console | Hackaday

    Longtime hacker [Peter Jansen] was so impressed with a piece in The Onion from last year that he decided to build this coin-operated Texas Instruments graphing calculator console on a whim (video below the break — warning vertical orientation).

  • ScummVM :: "Back For More?"

    It’s been 13 years since The 7th Guest was added to ScummVM with the Groovie 1 engine, and now we’ve finally added support for the Groovie 2 engine with all 4 games supported: The 11th Hour, Clandestiny, Tender Loving Care (CD-ROM edition), and Uncle Henry's Playhouse.

  • BSDNow 442: Birthing Unix

    The Birth of Unix, Help request for three big Lumina items, FreeBSD 13 on Thinkpad T460s, HardenedBSD January 2022 Status Report, OPNsense 22.1 "Observant Owl" released, and more.

  • The Linux Link Tech Show Episode 943

    Joels loves tries slackware and fails

  • CloudReady is now ‘Chrome OS Flex,’ Google’s free way to turn old Macs, PCs into Chromebooks

    In December of 2020, Google acquired a Chromium-based operating system that turns old PCs into Chromebook-like devices. CloudReady is now becoming “Chrome OS Flex” and is launching in early access today.

    CloudReady’s big pitch was how it extended the life of old PCs that were no longer getting official updates. That software is now becoming an official Google offering with Chrome OS Flex.

    Billed as a “free-to-download operating system” by Google, the original team directly integrated “the benefits of CloudReady into a new version of Chrome OS.” It offers the same user interface, Chrome browser, cross-device features/integrations with Android, cloud sync (for settings and bookmarks), and Google Assistant that’s found on Chromebooks today. Other available features include Family Link, Smart Lock, Instant Tethering, and Nearby Sharing.

  • An overview of OpenStack storage | Ubuntu

    OpenStack storage is probably one of the most complex topics in OpenStack architecture right after networking. There are many different storage options, at least a few storage services, and tons of supported storage backends. It is very easy to get lost.

    But do not worry, there is hope. Since OpenStack was initially created as an open-source implementation of the Amazon Web Service Elastic Compute Cloud (AWS EC2), its storage architecture is quite similar to leading public clouds. This similarity makes it relatively easy to learn for someone who already has some cloud experience.

    Ready to uncover OpenStack storage fundamentals? Let’s dive in!

  • This Week In Rust: This Week in Rust 430
  • A PNG Based Circuit Simulator | Hackaday

    We’re sure thousands of hours have been spent in Minecraft implementing digital logic. Inspired by that, [lynnpepin] created a digital logic simulator named Reso that is based on pixels rather than voxels.

    There are a few clever things here. First, different colors represent different parts. There are three different colors of wire, output and input wires, XOR gates, and AND gates. OR gates are just output wires, which or all the input wires together. By implementing these gates, Reso is, by definition, Turing complete. Since it’s just a PNG, it is trivial to open it up in GIMP and copy and paste one bit of the circuit multiple times. The different color wires are mainly to help route in a 2d plane, as you don’t have vias. Currently, the image compiles into a graph that is executed. [Lynn] chose code readability and ease of prototyping over premature optimization, so the code isn’t particularly fast. But it is pretty fun, squinting at the pixels that make up the adders and clocks he has on his blog. After giving Reso your image, it outputs a series of images that enumerate the state for several states.

  • Red Cross Hack Linked to Iranian Influence Operation?

    A network intrusion at the International Committee for the Red Cross (ICRC) in January led to the theft of personal information on more than 500,000 people receiving assistance from the group. KrebsOnSecurity has learned that the email address used by a cybercriminal actor who offered to sell the stolen ICRC data also was used to register multiple domain names the FBI says are tied to a sprawling media influence operation originating from Iran.

»

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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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