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today's howtos

Submitted by Roy Schestowitz on Sunday 26th of December 2021 06:12:59 AM Filed under
HowTos
  • Nvidia optimus with wayland. Help needed.

    I have given a try on wayland and it works in my notebook (Gigabyte p34v5) when using only the Intel gpu (/dev/dri/card0) and mesa. Now I have been trying to make it work with the Nvidia gpu (GeForce GTX 970M, /dev/dri/card1) using proprietary driver. The thing about that gpu is that is uses optimus and thus need the following command to work with X11...

  • Debian/Ubuntu: Configure knockd on Server for Port Knocking - TREND OCEANS

    When I was young, my mother asked me not to open the door unless the door knocked in a series of four which was only known to us. I think you all have done in their childhood or later.

    That same concept I want to use in my Linux system, you are pondering what he is speaking? How and where will be a door on my system, and how to knock? I’m not understanding it, explain me this abstract concept.

  • Convert Audio File Formats on Ubuntu with SoundConverter - Technastic

    In this tutorial, we discuss how you can convert audio files into different formats on Ubuntu with a neat tool called SoundConverter. Before the rise of music streaming services, people bought their music DRM-free. Meaning they bought the music and it was theirs to do whatever they wished to do with, transfer the file to any number of devices, and even share it with others for free. You can see how this wasn’t so good for the music companies but it definitely was convenient for the users. Most of our music is online these days, via various streaming services.

  • Fixing Wayland taskbar icons - Nico's blog

    This is due to the shell not being able to properly map a window to an application. This breaks more things than just icons, but those are often the first thing that is noticed. Fortunately this is usually very easy to fix, particularly for Qt/KDE apps. I fixed a couple of those over the holidays and now I am writing down what needs to be done so you know what to do the next time you encounter such a case.

    Window to application mapping is based on the desktop entry name. That is the filename of the application’s .desktop file in /usr/share/applications/ (without the .desktop extension). For KWallet that would be org.kde.kwalletd5. Make sure your application actually has such a .desktop file installed to /usr/share/applications/. Most graphical apps have one, otherwise you wouldn’t be able to lauch it from the application launcher. However things that are not traditional applications, like services (e.g. KWallet) or helper applications (e.g. the Gwenview importer) don’t always have one yet. To avoid those showing up in the application laucher include NoDisplay=true in the .desktop file.

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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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