Implementing a secure reverse proxy architecture for LibreHardwareMonitor using Caddy with internal TLS, HTTP Basic Authentication, granular firewall controls, and Tailscale overlay networking on Windows infrastructure.
Standard Operating Procedure establishing dual-layer protection against catastrophic data loss from accidental rm -rf commands on Debian-based servers
A Python script that converts images into coloured ASCII art using CLAHE contrast enhancement and L1 distance bitmap matching for optimal character selection.
Guide for installing Windows 11 Pro on devices with OEM Home edition keys embedded in BIOS/UEFI firmware. Includes ISO modification with ei.cfg and pid.txt, post-install upgrade method, and regional configuration for Autopilot deployments.
Complete guide for configuring Windows Autopilot with custom local administrator naming and Windows LAPS password management. Includes BitLocker key escrow, White Glove pre-provisioning, and troubleshooting for policy conflicts.
A comprehensive guide to diagnosing and resolving OpenVPN connectivity through multiple NAT layers, including the discovery of a critical silent firewall rule loading failure in pfSense caused by broken aliases.
How to configure Cloudflare Dynamic DNS when your gateway is behind double NAT and can't detect your real public IP. A PowerShell-based solution for Windows workstations.
Introduction to QtScrcpy - free, open-source Android screen mirroring with sub-30ms latency, custom key mapping.
Comprehensive guide to Microsoft Intune application deployment covering setup, configuration, best practices, and troubleshooting. Enterprise-focused with complete Microsoft documentation references.
A comprehensive deep-dive into Tailscale's mesh networking technology, from WireGuard foundations to practical SSH and SMB configurations. Why this zero-trust VPN has become essential infrastructure for modern system administration.
A comprehensive bash script for managing WireGuard VPN peers with automatic backups, split-tunnel support, and interactive mode for safe infrastructure management.
Comprehensive guide covering Linux user management, file permissions, system navigation, and file operations for system administration.
A real-world analysis of attack attempts on a small VPS infrastructure running nginx and basic services
Complete guide to using the improved backup script with compression, incremental backups, email reporting, and automated scheduling
Simple introduction to the industry standard backup and recovery software
Complete guide to automated network topology documentation with practical examples, best practices, and troubleshooting tips for Linux servers
A very basic automation for testing VPS security externally
My IT journey Continues - insights from Andrew Jones, IT Engineer in London, UK
Reflecting on my time as IT engineer at GMA - challenges, achievements, and lessons learned.
My 2025 upper mid-range custom PC build featuring AMD Ryzen 9 7900X and Radeon RX 9070, delivering exceptional performance under £2,000