plzhans @plzhans

A blog documenting the troubleshooting behind things I've built.

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Mac

How to Install WireGuard and Set Up Client Connections
How to Install WireGuard and Set Up Client Connections Explains how to install WireGuard VPN on a Linux server, covering key generation, firewall opening, and service registration. Includes Mac client conf setup and GUI connection verification steps to …
Networking Jul 10, 2026
Mac Office Activation Guide | Install LTSC with Volume License VL Serializer
Mac Office Activation Guide | Install LTSC with Volume License VL Serializer A step-by-step guide to installing and activating Microsoft Office on Mac using a volume license. Covers LTSC installer selection, VL Serializer application, and activation verification.
Etc Jun 17, 2026
Terraform Practical Guide: Installation, plan/apply, AWS SSO & AssumeRole, State Backend
Terraform Practical Guide: Installation, plan/apply, AWS SSO & AssumeRole, State Backend Covers Terraform installation through the basic flow of init, plan, and apply along with project structure. Explains the difference between AWS SSO and AssumeRole for credentials, the backend concept …
Devops May 6, 2026
Automating Claude Account Switching
Automating Claude Account Switching This post summarizes how to quickly switch between Claude Code accounts without logging out. It covers an automation script that backs up and swaps macOS Keychain credentials using the security …
AI Mar 26, 2026