# Debian Forge Maintenance Guide

*Generated on: 2025-08-23 09:39:21*

## Regular Maintenance Tasks

### Daily Tasks
- **System Health Check**: Verify all services are running
- **Performance Monitoring**: Review performance metrics
- **Error Log Review**: Check for new error messages
- **Backup Verification**: Ensure backups completed successfully

### Weekly Tasks
- **Performance Analysis**: Review weekly performance trends
- **Security Audit**: Run security vulnerability scans
- **Database Maintenance**: Clean up old data and optimize
- **Log Rotation**: Rotate and compress log files

### Monthly Tasks
- **System Updates**: Apply security and feature updates
- **Capacity Planning**: Review resource usage trends
- **Security Review**: Update security configurations
- **Documentation Review**: Update operational procedures

## Troubleshooting

### Common Issues and Solutions

#### Service Won't Start
1. Check systemd service status: `systemctl status debian-forge`
2. Review service logs: `journalctl -u debian-forge`
3. Verify configuration files
4. Check file permissions and ownership

#### Performance Issues
1. Monitor system resources: `htop`, `iotop`
2. Check database performance
3. Review build queue length
4. Analyze performance metrics

#### Authentication Problems
1. Verify user database integrity
2. Check password policies
3. Review authentication logs
4. Test user login process

## Backup and Recovery

### Backup Procedures

#### Configuration Backup
```bash
# Backup configuration directory
tar -czf config-backup-$(date +%Y%m%d).tar.gz config/

# Backup database files
cp *.db backup/
```

#### Database Backup
```bash
# SQLite backup
sqlite3 users.db .dump > backup/users-$(date +%Y%m%d).sql

# PostgreSQL backup
pg_dump debian_forge > backup/postgres-$(date +%Y%m%d).sql
```

### Recovery Procedures

#### Configuration Recovery
1. Stop the service: `systemctl stop debian-forge`
2. Restore configuration files
3. Verify file permissions
4. Start the service: `systemctl start debian-forge`

#### Database Recovery
1. Stop the service
2. Restore database from backup
3. Verify database integrity
4. Start the service

## Performance Optimization

### System Tuning
- **CPU Optimization**: Adjust process priorities
- **Memory Management**: Configure swap and memory limits
- **Disk I/O**: Optimize storage configuration
- **Network Tuning**: Optimize network parameters

### Application Tuning
- **Database Optimization**: Index optimization and query tuning
- **Build Optimization**: Parallel build processing
- **Cache Management**: Implement and tune caching
- **Resource Pooling**: Optimize resource allocation

## Security Maintenance

### Regular Security Tasks
- **Vulnerability Scanning**: Run security audits
- **Access Review**: Review user access and permissions
- **Security Updates**: Apply security patches
- **Configuration Review**: Review security settings

### Incident Response
1. **Detection**: Identify security incidents
2. **Assessment**: Evaluate incident severity
3. **Containment**: Limit incident impact
4. **Eradication**: Remove security threats
5. **Recovery**: Restore normal operations
6. **Lessons Learned**: Document and improve procedures

## Monitoring and Alerting

### Key Metrics to Monitor
- **System Resources**: CPU, memory, disk, network
- **Application Performance**: Response times, throughput
- **Build Queue**: Queue length, processing times
- **Security Events**: Authentication failures, access attempts

### Alerting Configuration
- **Threshold Alerts**: Resource usage alerts
- **Performance Alerts**: Response time and error rate alerts
- **Security Alerts**: Security incident notifications
- **Service Alerts**: Service availability notifications