Quick Reference Guide

Essential commands and shortcuts for daily development workflow.

🚀 Emergency Commands

# Window manager broke
killall yabai skhd && brew services restart yabai && brew services restart skhd

# Terminal broke
/Applications/Ghostty.app/Contents/MacOS/ghostty

# Tmux unresponsive
tmux kill-server && tmux new-session

# Neovim stuck
:qa! # or pkill nvim

⌨️ Essential Shortcuts

Global (SKHD)

Key	Action	Key	Action
meh + a	Ghostty	meh + s	Arc Browser
meh + w	Windsurf	meh + x	VSCode
meh + d	DBeaver	meh + u	Claude
ctrl+shift+hjkl	Focus Window	cmd+shift+hjkl	Move Window
hyper + hjkl	Resize Window	hyper + f	Fullscreen

Tmux (Prefix: C-x)

Key	Action	Key	Action
C-x + t	Project Sessionizer	C-x + m	Split Horizontal
C-x + v	Split Vertical	C-x + hjkl	Navigate Panes
C-x + r	Reload Config	C-x + a	Zoom Pane

Neovim

Key	Action	Key	Action
<C-f>	Project Sessionizer	-	File Manager
<leader>ac	AI Chat	<leader>aa	AI Actions
<leader>Dd	Database Explorer	<leader>ff	Find Files
<leader>gg	Lazygit	gd	Go to Definition

AI Completion (Copilot)

Key	Action	Key	Action
<Tab>	Accept/Tab	<C-;>	Accept Full
<C-'>	Accept Word	<C-]>	Accept Line
<C-[>	Previous	<C-\>	Next

🔧 Common Commands

Service Management

# Restart window manager
skhd --restart-service
yabai --restart-service

# Reload configurations
tmux source-file ~/.tmux.conf
source ~/.zshrc

# Update plugins
:Lazy sync  # Neovim
prefix + I  # Tmux

Project Management

# Quick project switch
C-x + t  # From tmux
C-f      # From Neovim

# New project session
tmux new-session -s project -c ~/path/to/project

# Attach to session
tmux attach-session -t project

AI Tools

# CodeCompanion
<leader>ac  # Open chat
<leader>aa  # Actions menu
<leader>ar  # Code review

# Copilot (ergonomic keybindings)
:Copilot status
:Copilot enable
Tab     # Accept suggestion or normal tab
C-;     # Accept full suggestion
C-'     # Accept word
C-]     # Accept line

# Database AI
<leader>Dd  # Select miudb connection
<leader>Dl  # List miudb connections
<leader>Dq  # Run current SQL buffer
<leader>j   # Run current SQL buffer

# Focus & Zen Mode
<leader>z   # Zen mode (70% width)
<leader>Z   # Full screen zen mode
<leader>zx  # Exit zen mode (all tmux panes)
<leader>tt  # Toggle twilight

📁 Important Paths

# Configuration files
~/.config/nvim/          # Neovim config
~/.config/yabai/         # Yabai config
~/.config/skhd/          # SKHD config
~/.config/atuin/         # Atuin config
~/.tmux.conf             # Tmux config
~/.zshrc                 # Zsh config

# Dotfiles
~/.dotfiles/dotfiles/    # All configurations

# Logs
/usr/local/var/log/yabai/
/usr/local/var/log/skhd/

# Cache & Data
~/.cache/nvim/
~/.local/share/nvim/
~/.local/share/atuin/    # Atuin history database

🔍 Diagnostic Commands

# Check service status
brew services list | grep -E "(yabai|skhd)"
ps aux | grep -E "(yabai|skhd|nvim|tmux)"

# Check health
:checkhealth  # Neovim
tmux info     # Tmux

# View logs
tail -f /usr/local/var/log/yabai/yabai.err.log
tail -f /usr/local/var/log/skhd/skhd.err.log

🛠️ Installation Commands

# Install dotfiles
git clone https://github.com/vanducng/dotfiles.git ~/.dotfiles
cd ~/.dotfiles
make stow-install

# Install dependencies
./scripts/macos-deps.sh

# Setup AI tools
:Copilot auth  # GitHub Copilot
export OPENAI_API_KEY="..."  # CodeCompanion

📊 Performance Monitoring

# System resources
top -o cpu
top -o mem
df -h

# Process monitoring
ps aux | sort -k4 -nr | head -10  # Memory usage
ps aux | sort -k3 -nr | head -10  # CPU usage

# Neovim performance
:Lazy profile
nvim --startuptime startup.log

🔄 Backup & Recovery

# Backup configurations
tar -czf ~/dotfiles-backup-$(date +%Y%m%d).tar.gz ~/.dotfiles

# Reset Neovim
rm -rf ~/.config/nvim ~/.local/share/nvim ~/.cache/nvim
make stow-install

# Reset tmux
tmux kill-server
rm -rf ~/.tmux/plugins
git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm

🎯 Workflow Patterns

Daily Startup

1. C-x + t          # Select main project
2. nvim             # Open editor
3. <leader>Dd       # Open database if needed
4. <leader>ac       # Start AI chat if needed

Code Review

1. Select code
2. <leader>ar       # AI review
3. <leader>af       # Apply fixes
4. :w               # Save changes

Project Switch

1. C-x + t          # Project sessionizer
2. Type project name
3. Enter            # Switch to project

Database Work

1. <leader>Dd       # Select miudb connection
2. Open a .sql file
3. Write SQL query
4. <leader>j        # Execute buffer

🔗 Quick Links

• Full Documentation
• Troubleshooting
• Neovim Guide
• AI Workflows
• Tmux Guide