today's howtos

posted by Roy Schestowitz on Mar 10, 2025

• Darren Goossens ☛ Custom icons for USB drives

  Here is a screen grab of caja, the Linux MATE file manager, showing the YEAH icon in the list of devices. You see something similar in Windows Explorer.

• Dan Langille ☛ Problems with OpenVPN when server is FreeBSD 14.2 and client is 14.1

  After replacing an existing gateway with new hardware, the OpenVPN connections had issues. The clients would connect, but non-trivial amounts of traffic would cause errors.

  This post contains a workaround, by upgrading the OS. I would like to know the cause.

• [Repeat] Tom's Hardware ☛ How to use an RFID reader with a Raspberry Pi Pico

  In this how to, we will learn how to read RFID tags and cards using an MFRC522 reader and a Raspberry Pi Pico, the goal will be to create a fictional RFID access control system that will allow users into a building, or alert security to remove them. Before we can do that, we need to identify the ID of our cards / tags. The first section of this how to will do just that, and then we will insert some code to control two LEDs to simulate the locking mechanism.

• Data Swamp ☛ PDF bruteforce tool to recover locked files

  Today, I had to open a password protected PDF (medical report), unfortunately it is a few years old document and I did not remember the password format (usually something based on named and birthdate -_-).

  I found a nice tool that can try a lot of combinations, and it is even better as if you know a bit the password format you can easily generate tested patterns.

• Terence Eden ☛ A Recursive QR Code

  Take the original 25px code and blow it up to the size of the new marker, 300px * 300px. Place it on a new transparent canvas the size of the base image, and place it where the marker is - 400px from the top and left.

  Next step is creating the image sequence for zooming in. The aim is to move in to the target area, then directly zoom in.

• Vegard ☛ Kubernetes@Home – what do you do if your ISP changes your IP addresses?

  In my last blog post I described external-DNS, which is a way to have Kubernetes create and update DNS entries for its services. But as I mentioned, it got me thinking a bit on ways to extend this concept to handle other external aspects of my Kubernetes environment.

  My ISP is in total control over my external IP addresses. I don’t pay for permanent IP addresses, and while they haven’t so far changed neither my IPv4 address or my IPv6 network, it can happen. Probably by mistake, since I have no kept my current ones for three months.

  But accidents happen, and usually at the worst possible time, so can I be prepared for it?

  Of course I can. However, it did require a bit of programming!

• idroot

  • ID Root ☛ How To Install Nginx Proxy Manager on Debian 12

    In the realm of web traffic management, Nginx Proxy Manager stands out as a powerful tool, offering a user-friendly graphical user interface (GUI) for managing proxy hosts, SSL certificates, and web traffic. This makes it an indispensable asset for server administrators and website owners seeking to streamline their server management tasks.

  • ID Root ☛ How To Install Tor Browser on CentOS Stream 10

    In today’s digital landscape, protecting your online privacy has become increasingly crucial. Tor Browser stands as a powerful tool in safeguarding your anonymity while browsing the internet. For CentOS Stream 10 users, installing and configuring Tor Browser properly ensures you can benefit from its privacy features while maintaining system security.

  • ID Root ☛ How To Install Morphosis on Fedora 41

    This guide provides a thorough walkthrough on how to install Morphosis – a powerful GUI front-end for the Pandoc document converter – on Fedora 41. With detailed instructions, troubleshooting tips, and advanced usage recommendations, this article is designed for GNU/Linux enthusiasts and professionals seeking a graphical solution to streamline document conversions.

  • ID Root ☛ How To Install Mono on Ubuntu 24.04 LTS [Ed: Mono is a Microsoft cancel, better avoided altogether]

    Mono provides a powerful open-source implementation of Microsoft’s .NET Framework, enabling developers to run .NET applications on GNU/Linux systems. This comprehensive guide will walk you through installing Mono on Ubuntu 24.04 LTS using various methods, troubleshooting common issues, and setting up your development environment for .NET application development on Linux.

  • ID Root ☛ How To Set Default Gateway on Ubuntu 24.04 LTS

    In networking, the default gateway serves as the critical path through which your system communicates with external networks. Think of it as the doorway that connects your local network to the vast internet beyond. For Ubuntu 24.04 LTS users, properly configuring this gateway is essential for maintaining stable network connectivity and ensuring efficient data routing.