Filesystem Layout
FHS structure — what lives where and why
→ filesystem
System Info
Kernel, uptime, hardware, identity
→ system
Files & Directories
Navigation, permissions, disk usage
→ files
Networking
Interfaces, DNS, routes, ports
→ network
Services / systemd
Start, stop, enable, reload services
→ services
Logs & Monitoring
journalctl, htop, process analysis
→ logs
Security
SSH, users, firewall, fail2ban
→ security
Nginx + Certbot
Reverse proxy, HTTPS, virtual hosts
→ nginx
Docker
Containers, images, compose, volumes
→ docker
Git + SSH Keys
Repo workflow and key management
→ git
Python / pip
venv, pip, package management
→ python
Node / npm
JS tooling, nvm, global installs
→ node
Rust / rustup
Install, toolchains, targets, components
→ rust
Cargo
Build, test, deps, publish, plugins
→ cargo
Tauri
Desktop app dev, build, plugins, icons
→ tauri
Ollama
Local LLM management and serving
→ ollama
Tailscale
Zero-config mesh VPN, peer connectivity
→ tailscale
Aider
AI pair programmer with local Ollama models
→ aider
n8n
Workflow automation in Docker
→ n8n
Terraform
IaC lifecycle and provisioning
→ terraform
DNS / BIND9
Authoritative DNS, zones, queries
→ dns
Mail / Postfix
SMTP, Maildir, queue management
→ mail
Quick Commands
High-value shortcuts and one-liners
→ shortcuts