Practical technical systems, built with clear reasoning.

I work on business tools, software systems, infrastructure, automation, deployment, and troubleshooting.

My focus is choosing the right level of complexity and making systems understandable, usable, and reliable.

intro.md ~/ - VIM

Practical technical systems, built with clear reasoning.

I work on business tools, software systems, infrastructure, automation, deployment, and troubleshooting.

My focus is choosing the right level of complexity and making systems understandable, usable, and reliable.

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Selected work

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project · Jul 24, 2026

WireGuard Admin Access Manager

A WireGuard access-management tool design for provisioning, reviewing, and revoking technician and administrator VPN access in a segmented network.

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project · Jun 10, 2026

Client-Facing Technical Documentation

Simplified technical documentation, diagrams, and equipment planning materials for a business infrastructure project.

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project · Jun 10, 2026

Recharge Wallet / SIM-Bank Platform Architecture

A planned merchant recharge platform architecture combining wallet logic, mobile app flows, admin operations, and SIM-bank based telecom recharge infrastructure.

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Latest notes

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Infrastructure Operations · Aug 22, 2026

Pull-Based Backup Replication to OpenWrt Storage

Designed and verified a pull-based backup replication path from a VPS-hosted stateful service to an OpenWrt Raspberry Pi with dedicated external storage, separating fast recovery points from an independently retained local archive.

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Hardware Recovery · Jul 23, 2026

Router Firmware Recovery Through Serial and Flash Access

Field notes from troubleshooting and recovering router firmware/storage failures, including EdgeRouter X serial console recovery, NAND/MTD corruption symptoms, bootloader access, and external flash recovery direction.

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Server Hosting · Jul 18, 2026

ARM VPS Troubleshooting for Dedicated Services

Field notes from troubleshooting ARM-based VPS hosting for dedicated services, covering instance availability, boot issues, Docker architecture mismatches, runtime problems, and recovery checks.

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Working principles

How I work

6 practical principles guide how I choose scope, debug problems, document decisions, and keep systems maintainable.

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Resume

A concise record of published work and selected technical notes.

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