Proxmox Host

Hardware Specifications

CPU: Intel Core i5 13th Generation
  - Cores: 14 Physical Cores
  - Threads: 20 Logical CPUs
  - Features: AVX2, AES-NI, Virtualization (VT-x/VT-d)

RAM: 64 GB DDR4
Swap: 6 GB

System Type: Dedicated Server (Bare Metal)

Software Stack

Virtualization: Proxmox VE 9.x (current Stable)
Kernel: Linux 6.x (PVE-optimized)
QEMU/KVM: Version 9.x
Container Engine: LXC (Linux Containers)

Why Proxmox?

• Open Source: Free, community-driven
• Enterprise-Ready: Usable in production without license costs
• Hybrid: Combines VMs (KVM) and Containers (LXC)
• Backup Integration: Proxmox Backup Server (PBS) natively integrated

Storage Architecture

LVM-Thin Pool (VMs/Containers)

Type: LVM-Thin Volume
Usage: Root filesystems for LXC and VM disks
Advantage: Snapshots, Thin Provisioning, Efficiency

Local Directory Storage

Type: Directory
Usage: Templates, ISOs, temporary backups
Path: /var/lib/vz

Proxmox Backup Server (PBS)

Type: Deduplicating Backup Storage
Usage: Production backups of all VMs/LXCs
Features: Incremental snapshots, encryption, verification

Backup Capacity

PBS storage should be regularly checked for utilization. If >80%, planning for expansion is recommended.

Network Configuration

Bridges:
  - vmbr0: WAN Bridge (Internet-facing)
  - vmbr1: LAN Bridge (Internal service network)
  - vmbr2: Management VLAN (Admin access)

VPN: WireGuard for secure remote administration

Detailed Network Architecture: Network Documentation

Security Configuration

Proxmox Firewall

Status: Enabled at Host level
Policy: Default DROP (Whitelist approach)
Rule Management: Via Web-UI or pvesh CLI

Access Control

• Web-UI: HTTPS-only, Port 8006
• SSH: Only via Management VLAN or VPN
• API: Token-based authentication
• Updates: Automatic Security Patches (optional)

Running Instances

LXC Containers (Lightweight)

Name	Status	Role	Resources
postgresql	✅ running	Geodatabase	2 GB RAM, 15 GB Disk
geoserver	✅ running	WFS/WMS Server	6 GB RAM, 12 GB Disk
mapproxy	✅ running	Tile Proxy	4 GB RAM, 38 GB Disk
frontend	✅ running	Web Frontend	4 GB RAM, 25 GB Disk
zabbix	⏸ stopped	Monitoring (optional)	2 GB RAM, 10 GB Disk

Virtual Machines (Full VMs)

Name	Status	Role	Resources
OPNSense	✅ running	Firewall + Proxy	4 GB RAM, 25 GB Disk
osm-tiler	✅ running	Tile Rendering	6 GB RAM, 65 GB Disk

Management Tools

CLI Administration

# Container Management

pct list                    # List containers
pct start <VMID>           # Start container
pct exec <VMID> -- bash    # Shell in container

# VM Management

qm list                     # List VMs
qm start <VMID>            # Start VM
qm snapshot <VMID> <NAME>  # Create snapshot

# Backup Management

pvesm list <STORAGE>       # List backups
vzdump <VMID>              # Manual backup

Web-UI

• URL: https://<PROXMOX_HOST>:8006
• Features:
  • Graphical resource overview
  • Console access to VMs/LXCs
  • Backup job scheduling
  • Firewall rule editor

Maintenance Checklist

Weekly:

• [ ] Check PBS capacity
• [ ] Check backup logs for errors

Monthly:

• [ ] Kernel updates via apt update && apt upgrade
• [ ] Check container template updates
• [ ] Perform restore test of a backup

Quarterly:

• [ ] Review firewall rules
• [ ] Analyze resource utilization
• [ ] Test disaster recovery plan

References

• Proxmox VE Documentation
• LXC vs. KVM: When to use which?
• Proxmox Backup Server