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today's leftovers

Submitted by Roy Schestowitz on Tuesday 10th of May 2022 07:46:18 AM Filed under
Misc
  • A Raspberry Pi As An Offboard Display Adapter

    The humble USB-C port has brought us so many advantages over its USB ancestors, one of which is as a handy display output for laptops. Simply add an inexpensive adapter and you can hook up everything from a mobile phone upwards to an HDMI display or projector. There’s a snag though, merely having USB-C is not enough as the device has to support the display feature. It’s a problem [Gunnar Wolf] had to face with a Lenovo ARM laptop, and his solution is unexpected. Instead of an adapter, he’s used a Raspberry Pi 3 and some software tricks.

  • The Fridge: Ubuntu Weekly Newsletter Issue 734
  • Ubuntu Fridge | Ubuntu Weekly Newsletter Issue 734

    Welcome to the Ubuntu Weekly Newsletter, Issue 734 for the week of May 1 – 7, 2022.

  • FreeBSD jails with VNET and NAT

    Since my early days with FreeBSD I have been fascinated by VNET jails. The ability of recreating various hardware devices using their software interface counterparts is just stunning. The jails can even define their own firewall rules inside, use DHCP to get own IP address, etc. The administrator can assemble the network as they wish, using various switches (bridge interfaces) to segregate network segments from each other.

  • AMD preps Zen 4 IBS 'Instruction-Based Sampling' extensions for Linux

    AMD recently submitted the company's Instruction-Based Sampling (IBS) capabilities for use in the Linux perf subsystem and utility. This new submission by the company is the first official patch for the Zen 4 CPU series.

  • AMD RADV ‘Radeon Vulkan’ Drivers Extend Ray-Tracing LBVH Support To The Entire GCN GPU Lineup

    The Mesa Project has added an updated Radeon Vphoroniulkan driver, also known as RADV, which would allow the driver to support Vulkan ray-tracing on previous generations of AMD graphics cards and support the newest components company. The further support will allow Vulkan ray-tracing as far back as AMD GFX6 hardware that utilizes linear bounding volume hierarchy, or LBVH, such as the GCN graphics cards. While ray-tracing on older graphics cards is much slower, it will benefit prior generations with slightly better graphics output.

  • Code Managed Service is Coming For Static Sites

    I think SaaS (in general) will start to look more like cars. Cars need maintenance and aren't fixable or debuggable by the average person, yet we still own and lease them ourselves. You'll run your own SaaS, but maybe you'll need to take it in for routine maintenance every 15,000 hours.

    Yet, this future of code managed services is already here but not evenly distributed. You'd need to be experienced at cloud infrastructure and DevOps to do it in a cost (time) effective manner. But the code that the batch of first adopters writes will be generic and reusable for anyone. That's when it gets interesting.

  • It's not easy getting an open-source company off the ground, Appwrite wants to help

    Launching an open-source company isn't easy. Even the biggest pure-play open-source company, Red Hat, got its humble start in founding CEO Bob Young's wife's sewing closet. More recently, when Appwrite, a Backend as a Service (BaaS) business, CEO and founder Eldad Fux literally had "his back to the wall." Luckily for him, Fux obtained seed funding at the last minute.

    By April 2022, Appwrite has gotten $27 million in funding. Looking ahead, the open-source Backend-as-a-Service (BaaS) platform for web, mobile, and flutter developers with its integrated REST APIs future looks bright. With 27 full-time Appwriters and a community of over 150,000 developers, Appwrite may become a major developer success story.

  • Colonial Pipeline was cyber wake-up call; Ukraine war is escalator [iophk: Windows TCO]

    One year ago, the Colonial Pipeline was hit by a disruptive ransomware attack forcing it to shut down operations for nearly a week.

    The incident, which caused gas shortages in several states as fuel prices spiked, was a major wake-up call for critical industries to start taking cyber threats seriously and invest more in cybersecurity.

    However, experts say that the war in Ukraine has put even more pressure on companies to expedite the investments they had begun a year ago as cybersecurity became front and center – both domestically and globally.

  • Twitter’s open-source algorithm: Is transparency the best policy? [Ed: Openwashing in its most shameless form]

    While Musk has proposed many changes, many in the cybersecurity community have critiqued his desire to make Twitter’s algorithm open-source. In particular, media analysts have pointed out that this could invite malicious actors to “game” the algorithm and make Twitter a target for more intense cyber-attacks.

    Looking into the matter for Digital Journal is Cybersecurity expert Derek E. Brink, Vice President & Research Fellow at Aberdeen Strategy & Research.

    Brink is not adopting the same line as other cybersecurity commentariat, noting: “The idea that algorithms should be open and transparent has been considered best practice for nearly 140 years. It’s called Kerkhof’s Principle, which holds that trying to keep the algorithms secret — which many refer to as “security by obscurity” — is the wrong approach to maintaining security.”

»

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Dilution and Misuse of the "Linux" Brand

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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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