In this post, we’ll go through the steps to create a network bridge br0 on an Arch Linux system, linking it to the physical Ethernet interface enp6s0. We will also set up a systemd service to handle the creation and removal of the bridge on demand, ensuring that the network configuration remains consistent using NetworkManager….
In the digital age, where information is power and connectivity is king, the security of our systems is paramount. Recently, the world was thrust into a frenzied state of alert when news broke of a potentially catastrophic attempt to breach the security of Linux server machines through the manipulation of the XZ compression utility. This…
Introduction: The Linux kernel, the heart of the Linux operating system, is an open-source marvel that embodies collaboration, innovation, and constant evolution. In this blog post, we will take a deep dive into the Linux kernel development process, explore the key contributors involved, outline the benefits of this collaborative effort, and present a short and…
Introduction The command line interface (CLI) has been a pivotal tool for developers, system administrators, and power users for decades. Despite its powerful capabilities, the traditional terminal emulator lacks certain features and can appear bland. However, a new wave of terminal emulators has emerged, transforming the command line experience on Linux and macOS. In this…
Introduction Operating systems are the backbone of modern computing. They are responsible for managing hardware resources and providing a platform for software applications to run. In this blog post, we will compare two popular operating systems: Linux and Windows 11. We will discuss the differences between these two operating systems and provide guidance on which…
Introduction In a rapidly evolving technological landscape, adaptability is the key to staying ahead. Microsoft, a company known for its long-standing commitment to the Windows operating system, is now expanding horizons by providing users with installation instructions on how to download and install Linux. This initiative isn’t about replacing Windows; it’s about empowering users to…
In the world of Linux firewall management, a significant shift has occurred in recent years with the adoption of nftables as the next-generation packet filtering framework. On Rocky Linux, a popular distribution known for its stability and security features, transitioning from iptables to nftables is not only beneficial but also aligns your system for the…
Test network throughput on Arch Linux with iperf3: TCP, reverse direction, parallel streams and UDP. Includes the differences from iPerf2.
In the world of Linux, system stability and data integrity are paramount. Unexpected issues can arise at any time, jeopardizing your work, settings, and valuable files. To protect your Linux system effectively, it’s essential to have a reliable backup and restore solution in place. One such tool that stands out is Timeshift. In this comprehensive…
Many people are familiar with the problem of synchronizing files in their own private cloud with their local machine in a professional or private context. Often there are different sync clients for e.g. nextcloud or ownCloud for this… These save local copies of the files in the file system of the computer with which you…
When getting an invalid argument error when doing swapon /swapfile (for instance) it might be due to the underlying filesystem being btrfs. In this case you need to do the following steps: Since version 6.1 of the btrfs tooling it’s possible to create the swapfile in a single command (except the activation): All commands need…
Once having a unique setup running arch linux you may have the need for a high quality desktop wallpaper. For that I’ve created a script that will download once a day a desktop wallpaper as an jpg file and will store it on your file system. Then your desktop of choice can use that folder…
We recently migrated our workstations internally from Debian to Arch Linux using Hyprland and Wayland. We were not sure if this experiment would be crowned with success, but we were pleasantly surprised. On top of that, we installed NVIDIA cards, which made the whole procedure even more difficult. But the end result is something to…
As we keep using WSL all the time we would like to point out that with the latest release WSL will also support systemd! Read the full post here: Systemd support is now available in WSL! – Windows Command Line (microsoft.com) Here you can also see it in action on one of our machines: This…
We recently had the problem that we could work on Windows 11 seamlessly with Visual Studio 2022 and interact with our gitea git endpoint without any problems. However on our POP!OS based other workstations we were unable to get the repository cloned: Clone to ’setFileCreationDateToNow‘ …fatal: could not access ‚https://www.jr-it-services.de:3000/johannes/setFileCreationDateToNow.git/‘ server certificate verification failed. CAfile:…
We noticed some time ago that the update of the VMWare Horizon Client (Mware-Horizon-Client-2203-8.5.0-19586897.x64) fails. The installer can be downloaded from this site: https://customerconnect.vmware.com/en/downloads/details?downloadGroup=CART23FQ1_LIN64_2203&productId=1027&rPId=87916 We worked hard to find a fix for this, but after some time we noticed that the reason for the failure lies in the installer (script) to rely on a specific…
Another key announcement coming from Build 2020:
Nachdem wir zwei unserer internen Workstations erfolgreich auf Fedora 32 upgraden konnten können wir das neue Release nur empfehlen: https://getfedora.org/de/workstation/download/ Details der neuen Version können hier nachgelesen werden (in Englisch): After updating two of our internal workstations I can recommend the new Fedora 32 upgrade: https://getfedora.org/de/workstation/download/ Details on what new can be found here: