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Software: Nvidia, MuseScore, Cockpit, Oracle Java and KDE/Krita

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Software
  • 2 Tools For Monitoring Nvidia GPUs On Linux (GUI And Command Line)

    This article presents 2 tools for monitoring Nvidia graphics cards on Linux: one that comes with a terminal user interface (TUI), so it runs in a console, and another one that uses a graphical user interface.

  • MuseScore 3.2 Released with Dozens of Bug Fixes

    Free scorewriter MuseScore 3.2 was released a day ago with dozens of bug-fixes as well as some improvements to user interface.

  • Cockpit 197

    Cockpit is the modern Linux admin interface. We release regularly. Here are the release notes from version 197.

  • New Oracle Java 11 Installer For Ubuntu Or Linux Mint (Using Local Oracle Java .tar.gz)

    As many of you already know, Oracle Java requires logging in to an Oracle account to download most versions (all except Oracle Java 12). A while back I created Oracle Java 11 and 12 installer packages (based on the package by Web Upd8), and a PPA for Ubuntu and Linux Mint.

    Since Oracle Java 11 can't be directly downloaded from Oracle any more, the installer no longer works, so I created a new installer that requires the user to create an Oracle account, download the Oracle Java 11 .tar.gz archive (the same version as the installer), and place the archive in /var/cache/oracle-jdk11-installer-local/. After this, you can install the oracle-java11-installer-local package, and it will set up Oracle Java 11 for you.

    Everything else works as before. You can install the oracle-java11-set-default-local package to set Oracle Java 11 as default for example (not only set it as default using a .jinfo file and update-alternatives, but also export the JAVA_HOME environment variable, etc.).

  • My first month on GSoC

    This first month of GSoC was a great learning experience for me, when speaking to my colleagues of how Summer of Code is being important to my professional life, I always respond that I’m finally learning to code and the basic of C++.

    Yes, maybe this is strange, I’m a second year undergraduate Computer Science student, have two year experience with C++. I should have learn to code by now right? Well, at least on my Campus you don’t learn to code applications or how to build stable, clean code. You learn to solve problems, and that’s something I got pretty good at, but when it came to code, well, I’m learning that now and I’m liking it a lot.

  • Snapshot Docker

    The idea of snapshots is to make copies of the current document and allow users to return to them at a later time. This is a part of my whole Google Summer of Code project, which aims to bring Krita a better undo/redo system. When fully implemented, it will fully replace the current mechanism that stores actions with one that stores different states. That is to say, Krita will create a snapshot of the document for every undoable step.

    [...]

    Another interesting thing is the palettes. Krita 4.2.0 allows documents to store their own, local palettes. The palette list is but a QList<KoColorSet *>, meaning that only creating a new QList of the same pointers will not work. This is because, the palettes are controlled by canvas resource manager, which takes the responsibility to delete them. Therefore, when taking snapshots, we had better take deep copies of the KoColorSets. And then another problem comes: the snapshots own their KoColorSets because they are not controlled by the resource manager in any way; but the KisDocument in the view does not. So we have to set up another flag, ownsPaletteList, to tell the document whether it should delete the palettes in the destructor.

    And now the work has shifted to the refactoring of kritaflake, the library that mainly handles vector layers and shapes. I converted the whole KoShape hierarchy to implicit sharing where possible, but some tests are broken. I am now on Windows, where unit tests do not run. I will continue the development of flake as soon as I get access to my Linux laptop.

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.