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today's leftovers

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Misc
  • Peter Hutterer: xisxwayland checks for Xwayland ... or not

    One of the more common issues we encounter debugging things is that users don't always know whether they're running on a Wayland or X11 session. Which I guess is a good advertisement for how far some of the compositors have come. The question "are you running on Xorg or Wayland" thus comes up a lot and suggestions previously included things like "run xeyes", "grep xinput list", "check xrandr" and so on and so forth. None of those are particularly scriptable, so there's a new tool around now: xisxwayland.

  • NVIDIA Engineer Revives Work On Linux Proactive Memory Compaction

    One of the interesting patch series initially published back in 2019 by NVIDIA engineer Nitin Gupta was on proactive memory compaction for the Linux kernel while so far in 2020 it hasn't yet been merged but a fifth revision to the work was published today.

    The proactive memory compaction was brought on to address latency issues currently experienced with the kernel's on-demand memory compaction behavior that can happen as a result of requesting a lot of hugepages.

  • What is SeExpr about?

    YES! Once I get a prototype up and running, and a build is made, I’ll need lots of testers for the UX bits.

    But most importantly: I need examples! Up to now, SeExpr is used mostly with proprietary software: Pixar’s Renderman (wiki here), and Autodesk’s Maya. The only open-source software that supports SeExpr is INRIA’s compositing software, Natron. Fully free, open source examples that we can bundle with Krita, would go a long way towards showcasing this project.

    That’s all from me! Next time, I’ll dissect the insides of the SeExpr library. Please chime in with any comments, amyspark @ #krita in the Freenode network.

  • Complex text shaping fixed in Konsole 20.08

    Konsole was one of the few terminal emulators with proper complex text shaping support. Unfortunately, complex text (including Malayalam) shaping was broken around KDE Applications release 18.08 (see upstream bug 401094 for details).

  • Sparky 2020.05~dev

    Call for testers.

    It is a development release of Sparky which is based on Debian testing “Bullseye”.

    The Sparky Advanced Installer received (experimental) improvements by darekem73, such as:
    • autopartitioning
    • partition encrypting
    • logical volume support
    The Yad based GUI is disabled, so text mode only.

    Other changes:
    • sparky tools uses ‘spterm’ (Sparky Terminal) now
    • ‘debi-tool’ replaced by ‘gdebi’ back
    • ‘otter-browser’ replaced by ‘epiphany-browser’ (thanks to lami07)
    • added Openbox Noir to the desktop list

  • AOMedia AV1 2.0 Codec Library Released With Many Improvements

    Version 2.0 of the libaom AOMedia AV1 video encoder / video codec SDK library is now available as the first major update in nearly two years.

    Libaom 2.0 is the first release since the original 1.0 release back in mid-2018 after the AOMedia codec working group approved the 1.0 release. The developers view this AOMedia AV1 2.0 release as now being their "first official release" for production.

  • Firebird 4.0 Beta 2 release is available for testing

    Firebird Project announces the second (and last) Beta release of Firebird 4.0, the next major version of the Firebird relational database, which is now available for testing on Windows and Linux platforms.

    This Beta release arrives with features and improvements already implemented by the Firebird development team, as well as with countless bugfixes. Our users are appreciated giving it a try and providing feedback to the development mailing list. Apparent bugs can be reported directly to the bugtracker.

  • Payment portals leak the passport numbers of the tens of thousands of Muscovites ticketed for quarantine violations

    Over the past two months, Moscow has issued tens of thousands of fines to local residents for violating the city’s coronavirus self-isolation restrictions. Thanks to weak cryptographic security, the personal data of those ticketed is now available online.

  • Slackware is now PAM'ified

    After three months of testing (initially it was planned to be few days only), PAM is finally merged into the main tree of Slackware-Current per 18 May 2020. Many people have expected this to happen, they just wait for the trigger and finally Pat pushed the changes today.

    Some people have started to panic about the integration of PAM, but really, there is nothing to worry about. Slackware will still keep to it's root and traditions. The integration of PAM is something inevitable as more and more upstream projects requires PAM as one of the authentication mechanism (including my Cinnamon SlackBuilds project) and the myth about PAM being insecure is no longer valid. Other distributions have been using PAM for many years and they do work well, so it should work well with Slackware as well.

    Kudos to Patrick and the rest of the crew and some contributors, the integration of PAM is very smooth and there's no breakage at all. Everything works normally before and after the upgrade process as long as you follow the instructions carefully (install those three important packages: pam, libpwquality, cracklib). I have upgraded all my machines (except for my laptop but soon) to the PAM'ified version of Slackware and everything works fine here.

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.