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today's leftovers

Submitted by Roy Schestowitz on Friday 9th of April 2021 06:41:36 PM Filed under
Misc

     

  • My hack week at Collabora: improvements to gutter margin in Writer

    As mentioned in a previous such report, a hack week is when we are allowed to hack on anything we want in LibreOffice / Collabora Office / Collabora Online for a few days at Collabora. I used this time to implement core support for RTL gutter margin in Writer.

  • Spidermonkey Development Blog: Top Level Await Ships with Firefox 89

    Firefox will ship Top Level Await by default starting in Firefox 89. This new feature introduces a capability to modules allowing programmers to do asynchronous work, such as fetching data, directly at the top level of any module.

    [...]

    If you are curious about this proposal, you can read more about it in the explainer. The proposal is currently at stage 3, but we have high confidence in it going to stage 4.

  • The Apache News Round-up: week ending 9 April 2021
  • New Jetson TX2 NX appears on compact edge AI computers

    Aaeon has unveiled a pair of edge AI systems based on Nvidia’s new Jetson TX2 NX: The “Boxer-8230AI” offers 5x GbE while the “Boxer-8233AI” has dual GbE with PoE/PSE plus HDMI in and out.

    Aaeon is a prolific manufacturer of new embedded systems by any measure. Yet, many of its Boxer line of fanless, compact embedded computers are respins of earlier models with new processors or a few feature modifications. The new Boxer-823xAI models are based closely on earlier Boxers based on Nvidia’s Jetson Xavier NX, but instead tapping the new Jetson TX2 NX.

  • Michael Prokop: A Ceph war story

    One part of the upgrade included 3 Debian servers (we’re calling them server1, server2 and server3 here), running on Proxmox v5 + Debian/stretch with 12 Ceph OSDs each (65.45TB in total), a so-called Proxmox Hyper-Converged Ceph Cluster.

    [...]

    During the first two servers’ reboots, we noticed configuration glitches. After fixing those, we went for a reboot of the third server as well. Then we noticed that several Ceph OSDs were unexpectedly down. The NTP service wasn’t working as expected after the upgrade. The underlying issue is a race condition of ntp with systemd-timesyncd (see #889290). As a result, we had clock skew problems with Ceph, indicating that the Ceph monitors’ clocks aren’t running in sync (which is essential for proper Ceph operation). We initially assumed that our Ceph OSD failure derived from this clock skew problem, so we took care of it. After yet another round of reboots, to ensure the systems are running all with identical and sane configurations and services, we noticed lots of failing OSDs.

  • Advanced Comic Book Linking

    In my previous post about Peruse's support for ACBF Textareas, i talked about how the formatting system there allowed for all manner of niftiness with languages, and rotating text, and making it coloured, and styled, and all of that visual fanciness. In this one, i'm going to talk a bit more in depth about a quite powerful feature the Textareas have that i kind of glossed over in that one: Hyperlinks.

    Yes, hyperlinks. Links, like the one you just clicked on above to work out what that last post actually said about textareas (thanks for reading! Smile ). Except that these links are inside any of the things in an ACBF document which can hold paragraphs of text, being primarily Textareas, References, and Annotations. The reason this is a separate post (apart from the fact the other one had a different focus) is that ACBF recently gained the ability to add a resource target (that is to say, a href property) to the Jump element.

  • Don’t Panic | Self-Hosted 42

    A record is broken, a life goal is achieved, and why we are going long on Linksys.

»

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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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