5.2 KiB
5.2 KiB
🥧 Raspberry Pi Systems
Raspberry Pi devices and edge computing in the homelab
Overview
Documentation of Raspberry Pi systems providing edge computing, IoT services, and specialized workloads.
Hardware Inventory
Raspberry Pi 5 (Primary)
- Model: Raspberry Pi 5 8GB
- CPU: Broadcom BCM2712 (Quad-core ARM Cortex-A76)
- RAM: 8GB LPDDR4X
- Storage: 128GB microSD + USB SSD
- Connectivity: Gigabit Ethernet, WiFi 6, Bluetooth 5.0
- Ports: 2x USB 3.0, 2x USB 2.0, 2x micro-HDMI
Raspberry Pi 4 (Secondary)
- Model: Raspberry Pi 4B 4GB/8GB variants
- CPU: Broadcom BCM2711 (Quad-core ARM Cortex-A72)
- Use Cases: Legacy services, testing, development
Raspberry Pi Zero 2 W
- Model: Ultra-compact form factor
- Use Cases: IoT sensors, minimal services
- Connectivity: WiFi, Bluetooth
Deployment Locations
Edge Computing Nodes
- Network monitoring: Distributed monitoring points
- IoT gateways: Sensor data collection
- Local services: Reduce latency for local users
Specialized Roles
- Pi-hole DNS: Network-wide ad blocking
- VPN endpoints: Remote access points
- Environmental monitoring: Temperature, humidity sensors
Operating Systems
Raspberry Pi OS
- Base: Debian-based official OS
- Use Cases: General purpose, desktop applications
- Management: Standard APT package management
Ubuntu Server
- Version: Ubuntu Server 22.04 LTS ARM64
- Use Cases: Container workloads, server applications
- Benefits: Long-term support, enterprise features
Specialized Distributions
- DietPi: Lightweight, optimized for Pi hardware
- OpenWrt: Network appliance functionality
- Home Assistant OS: Dedicated home automation
Container Orchestration
Docker Deployment
- ARM64 containers: Native ARM architecture support
- Resource constraints: Memory and CPU optimization
- Storage optimization: Minimize SD card wear
Service Categories
Monitoring Services
- Node Exporter: System metrics collection
- Prometheus: Metrics storage and alerting
- Grafana: Visualization dashboards
Network Services
- Pi-hole: DNS filtering and ad blocking
- Unbound: Recursive DNS resolver
- Tailscale: Mesh VPN connectivity
IoT Services
- Home Assistant: Home automation platform
- Zigbee2MQTT: Zigbee device integration
- InfluxDB: Time-series data storage
Performance Optimization
Storage Optimization
- USB SSD boot: Faster than microSD
- Log2RAM: Reduce SD card writes
- Swap optimization: Minimize swap usage
Thermal Management
- Heatsinks: Passive cooling solutions
- Fan control: Active cooling when needed
- Thermal throttling: Prevent overheating
Power Management
- Quality power supplies: Stable 5V/3A supply
- UPS integration: Uninterruptible power supply
- Power monitoring: Track consumption
Network Configuration
Ethernet Connectivity
- Gigabit Ethernet: Primary network connection
- VLAN support: Network segmentation
- Static IP assignment: Consistent addressing
Wireless Configuration
- WiFi 6 support: High-speed wireless (Pi 5)
- Multiple SSIDs: Network isolation
- Mesh networking: Extended coverage
Monitoring & Management
System Monitoring
- Temperature monitoring: Prevent thermal issues
- CPU/memory usage: Resource utilization
- Storage health: SD card/SSD monitoring
Remote Management
- SSH access: Secure remote administration
- VNC/RDP: Graphical remote access
- Ansible automation: Configuration management
Health Checks
- Service availability: Monitor running services
- Network connectivity: Ensure network access
- Storage space: Prevent disk full issues
Maintenance Procedures
Regular Updates
- OS updates: Security patches and improvements
- Container updates: Keep services current
- Firmware updates: EEPROM and bootloader
Backup Strategies
- SD card imaging: Complete system backups
- Configuration backups: Service configurations
- Data synchronization: Important data backup
Hardware Maintenance
- Cleaning: Dust removal from heatsinks
- Connection checks: Ensure secure connections
- Storage replacement: SD card/SSD replacement
Use Cases
Home Automation
- Home Assistant: Central automation hub
- Device integration: Zigbee, Z-Wave, WiFi devices
- Automation rules: Smart home logic
Network Infrastructure
- DNS services: Pi-hole ad blocking
- VPN services: Remote access solutions
- Network monitoring: Traffic analysis
Development & Testing
- CI/CD runners: Lightweight build agents
- Testing environments: Isolated test systems
- Prototyping: Hardware/software development
Troubleshooting
Common Issues
- SD card corruption: Use quality cards, minimize writes
- Power issues: Ensure adequate power supply
- Thermal throttling: Improve cooling solutions
Recovery Procedures
- Boot issues: Recovery mode procedures
- Network problems: Reset network configuration
- Service failures: Container restart procedures
Status: ✅ All Raspberry Pi systems operational with monitoring coverage