Welcome to h2.io

A knowledge base for systems engineering, version control, and infrastructure monitoring.

Quick Start

Use the navigation on the left to explore topics, or browse by category using the Contents tab on the right.

Navigation Shortcuts

Page Navigation:

• ← → - Previous/next page
• Esc - Toggle between current and last page

Chapter Navigation:

• Shift+← Shift+→ - Previous/next chapter
• Shift+0-9 - Jump to specific chapter (0 = chapter 10)

UI Controls:

• Click code blocks to copy
• Drag sidebar edges to resize
• Auto-focus on content pane for keyboard navigation

Categories

This site covers topics including:

• JJ (Jujutsu): Next-generation version control system with a unique approach to branching and history editing
• Git: Distributed version control fundamentals and advanced workflows
• Linux: System administration, configuration management, and shell scripting
• Monitoring: Prometheus metrics, Alertmanager routing, and observability best practices
• Scripting: Automation tools, shell scripts, and infrastructure as code

Site Features

• Keyboard-first navigation: Navigate efficiently without leaving the keyboard
• Persistent state: Your position, scroll, and menu selection are preserved
• Code copying: Click any code block to copy to clipboard
• Responsive layout: Resize panels to your preference
• Dark mode: Toggle theme with the icon in the top-right

About

This is a personal knowledge base built with Hugo, optimized for technical documentation and quick reference.

Practice makes progress.