Linux

Terminal showing setup-samba.sh run on vm2: testparm OK, Samba password set

Linux

Bidirectional SMB File Sharing Between Linux and Windows 11

Share a Linux ~/project to Windows Explorer via Samba, and mount a Windows D:\project share back on Linux via CIFS — both over Tailscale.

Windows

Install and Configure WSL: From Zero to Productive

A practical guide to installing WSL on Windows, configuring your Linux user, moving files between Windows and Linux, and going further with web servers, PowerShell, and VS Code.

Terminal showing a zombie job re-executing a deploy on every relay restart

Linux

Zero-Byte Deploys and Zombie Jobs: A Failover War Story

Building a 60-second failover standby for my dev environment — and the two outages that taught me to never trust an all-green deploy chain.

Message flow diagram of commands relayed from AI agent through VPS to WSL

Linux

Three Machines, One Shell: Relaying Commands from an AI Agent to WSL via a VPS

A persistent, bidirectional command channel between an AI agent VM, a small VPS relay, and a Windows laptop's WSL — what each piece does, how to set it up, and the dozen pitfalls I actually hit.

Three-node connection flow from a laptop through the Oracle VPS to the Muse VM

VPS

Tailscale Postmortem: Control Plane vs SSH Failures

A Tailscale terminal-access postmortem: separate control-plane failures from SSH, trace TCP resets, and choose an authenticated access path.

OCI ingress rules with port 443 limited to source 10.0.0.0/16

VPS

SSH Tunnel to VPS: A Reverse Tunnel Blocked by Egress Filtering

A reverse SSH tunnel test with an Oracle Cloud VPS, Ubuntu socket activation, proxy diagnostics, and the egress policy that stopped connectivity.

GitHub authentication, two-factor setup, and Git Credential Manager architecture

Git

GitHub for Sysadmins: 2FA, Tokens, PR Workflows

A practical guide to GitHub: registration, mandatory 2FA, token authentication, repositories, projects, gists, cloning, and pull request workflows.

Installing Git on Windows with winget and verifying the version

Git

Install Git on Windows and WSL: Credentials and Line Endings

Install Git on Windows and WSL Linux, configure shared Windows credentials, set line ending standards, and master daily Git commands.

GitHub organization roles, team hierarchy, and repository permission levels

Git

GitHub Teams for Sysadmins: Roles, Branch Protection

Comprehensive guide to GitHub Organizations and Teams: member roles, granting repository access, branch protection, CODEOWNERS, and Pull Request reviews.

Local Git server architecture showing clients, Caddy reverse proxy, Gitea daemon, and storage layer

Git

How to Build a Local Git Server on Ubuntu

Step-by-step guide to building a self-hosted, GitHub-like Git server on Ubuntu using Gitea, Caddy reverse proxy, SSH passthrough, and team permissions.