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How-To Windows

Generate Random String

Frank Earnhardt October 9, 2025 No Comments

Generating a 32-byte (256-bit) cryptographically secure secret key is crucial for robust encryption. Here are common methods using readily available tools: 1. Using OpenSSL (Linux/macOS/Windows with OpenSSL installed): This is…

How-To Windows

SSH into Windows 11

Frank Earnhardt October 9, 2025 No Comments

To SSH into Windows 11, you first need to install the OpenSSH Server feature in Settings > Apps > Optional Features and ensure it’s running in the Services app. Then,…

How-To Python

Python Virtual Environment

Frank Earnhardt October 9, 2025 No Comments

Getting an error trying to install python package: There are several ways to determine if a Python venv (virtual environment) is active: Terminal Prompt Indication. When a virtual environment is…

haproxy Network pfSense

haproxy reverse engineering

Frank Earnhardt October 9, 2025 No Comments

Working with AI (co-pilot) to uncover hidden haproxy flags for debugging Combined HAProxy Debug Header Reference Header Token Description & Why It Matters x-debug-http-response-client-ip %ci IP address of the client…

Glucose Medical Personal

Protected: Glucose Monitor – Libre

Frank Earnhardt September 2, 2025 No Comments

There is no excerpt because this is a protected post.

array unraid

Unraid XFS Disk Failure

Frank Earnhardt August 22, 2025 No Comments

Summary This document summarizes the key lessons learned from a complex Unraid recovery situation involving a data disk failure caused by CRC errors and subsequent XFS filesystem corruption. It outlines…

docker Research unraid

UNRAID upgrade 7.x – resulting in 3rdParty

Frank Earnhardt August 17, 2025 No Comments

After UNRAID upgrade to 7.0.1, most docker containers now show 3rdParty and the edit option is no longer available. ** ALL DOCKER CONTAINERS ** were updated before upgrading to UNRAID…

AI Google How-To Python

Building a Python CLI: An Engineering Evolution

Frank Earnhardt August 17, 2025 No Comments

From Hard-Coded Values to OpenAPI Generated Clients Building command-line interface (CLI) tools in Python is a fundamental skill for automation and system interaction. The journey of developing a robust CLI…

docker unraid

UNRAID – Docker Utilities

Frank Earnhardt July 3, 2025 No Comments

Reviewing some common docker utilities

unraid

UNRAID – .bash_profile

Frank Earnhardt July 2, 2025 No Comments

UNRAID runs in RAM, so every time the system reboots, the .bash_profile is reset to the default, thus losing any customizations. To address this, UNRAID created a process that allows…

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