today's howtos

posted by Roy Schestowitz on Sep 04, 2025

• Linuxiac ☛ How to Install Google Chrome on Debian 13 "Trixie"

  In this guide, I’ll walk you through two simple ways to get Chrome up and running on Debian 13 “Trixie.” The first method is straightforward: download the package directly from Google and install it. The second method takes a slightly different approach—you’ll add the official Google Chrome repository to your system and then install it from there.

• Klara ☛ Troubleshooting ZFS - Common Issues and How to Fix Them

  ZFS is a very powerful filesystem and volume manager that offers incredible flexibility and resilience. But computers are made up of hardware, and hardware breaks. Like any other component of a computer system, there are times when problems arise that require the attention of the operator to properly resolve. The power and complexity of ZFS can sometimes leave users unsure of what to do when they run into an issue or find themselves needing to resolve an error that they are experiencing.

  In this article, we'll go over some simple issues that a ZFS user may run into and how to address them.

• Unmitigated Risk ☛ Another Sleeping Giant: Microsoft’s Root Program and the 1.1.1.1 Certificate Slip

  This IP anchors encrypted DNS (DoH, DoT). A mis-issued certificate, combined with a BGP hijack, allows an attacker to intercept traffic before secure tunnels form. Some may argue that an attacker would also need to perform a BGP hijack to exploit such a certificate, but this is no real mitigation. BGP hijacks are a regular occurrence – often state-sponsored — and when combined with a valid certificate, they turn a routing incident into a full man-in-the-middle compromise. Cloudflare documentation: [...]

• Paul Smith ☛ Classic 8×8-pixel B&W Mac patterns

  I was working on something and thought it would be fun to use one of the classic Mac black-and-white patterns in the project. I'm talking about the original 8×8-pixel ones that were in the original Control Panel for setting the desktop background and in MacPaint as fill patterns.

• Brendan Long ☛ %CPU Utilization Is A Lie

  And yet, whenever people actually try to project these numbers, they find that CPU utilization doesn't quite increase linearly. But how bad could it possibly be?

  To answer this question, I ran a bunch of stress tests and monitored both how much work they did and what the system-reported CPU utilization was, then graphed the results.

• Jake Archibald ☛ Making XML human-readable without XSLT

  One gotcha when creating HTML in an XML document is it's easy to accidentally create XML elements rather than HTML elements. If you want proper semantics, accessibility, and behaviour, you want real HTML elements.

• idroot

  • ID Root ☛ How To Install Apache Kafka on Fedora 42

    Modern data streaming applications demand robust, scalable messaging systems capable of handling high-throughput workloads across distributed environments. Apache Kafka emerges as the industry-standard solution for real-time data pipelines, event sourcing, and distributed messaging systems.

  • ID Root ☛ How To Install Realtek Wifi Drivers on Debian 13

    Installing Realtek WiFi drivers on Debian 13 can be challenging for GNU/Linux users due to Debian’s strict policy regarding proprietary firmware. Many laptops and desktop computers use Realtek wireless chipsets, but these devices often fail to connect to networks immediately after a fresh Debian 13 installation.

  • ID Root ☛ How To Install Monitorix on GNU/Linux Mint 22

    System monitoring represents a critical aspect of GNU/Linux server administration, particularly when managing production environments or development systems. Monitorix emerges as an exceptional solution for GNU/Linux Mint 22 users seeking comprehensive system oversight without overwhelming complexity. This lightweight, open-source monitoring tool delivers enterprise-grade functionality while maintaining minimal resource consumption.

  • ID Root ☛ How To Install Jellyfin on Rocky GNU/Linux 10

    Setting up a media server has become essential for streaming personal content across multiple devices. Jellyfin stands out as the premier open-source media server solution, offering complete freedom from licensing restrictions and vendor lock-in.

  • ID Root ☛ Expr Command in GNU/Linux with Examples

    The expr command stands as one of the most fundamental yet powerful utilities in GNU/Linux and Unix systems for evaluating mathematical expressions and string operations.

  • ID Root ☛ How To Install Bluefish Editor on Debian 13

    The Bluefish Editor stands as one of the most powerful and versatile text editors available for GNU/Linux systems, particularly excelling in web development and programming tasks. This comprehensive guide walks you through the complete installation process of Bluefish Editor on Debian 13, ensuring you have access to this feature-rich development environment.

  • ID Root ☛ How To Install Geany on Fedora 42

    Fedora 42 users seeking a lightweight IDE for development often gravitate toward Geany, a versatile and efficient text editor that doubles as an integrated development environment. This comprehensive guide walks you through multiple Geany installation methods on Fedora 42, ensuring you can choose the approach that best suits your workflow and system requirements.

  • ID Root ☛ How To Install Apache Cassandra on Manjaro

    Apache Cassandra stands as one of the most powerful distributed NoSQL databases available today, offering exceptional scalability and fault tolerance for modern applications. Installing Cassandra on Manjaro GNU/Linux provides developers and system administrators with a robust platform for handling large-scale data operations.