841 lines
17 KiB
Markdown
841 lines
17 KiB
Markdown
# Configuration Reference
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**Complete reference for all configuration variables and options in community-scripts for Proxmox VE.**
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---
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## Table of Contents
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1. [Variable Naming Convention](#variable-naming-convention)
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2. [Complete Variable Reference](#complete-variable-reference)
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3. [Resource Configuration](#resource-configuration)
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4. [Network Configuration](#network-configuration)
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5. [IPv6 Configuration](#ipv6-configuration)
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6. [SSH Configuration](#ssh-configuration)
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7. [Container Features](#container-features)
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8. [Storage Configuration](#storage-configuration)
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9. [Security Settings](#security-settings)
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10. [Advanced Options](#advanced-options)
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11. [Quick Reference Table](#quick-reference-table)
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---
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## Variable Naming Convention
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All configuration variables follow a consistent pattern:
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```
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var_<setting>=<value>
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```
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**Rules:**
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- ✅ Always starts with `var_`
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- ✅ Lowercase letters only
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- ✅ Underscores for word separation
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- ✅ No spaces around `=`
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- ✅ Values can be quoted if needed
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**Examples:**
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```bash
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# ✓ Correct
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var_cpu=4
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var_hostname=myserver
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var_ssh_authorized_key=ssh-rsa AAAA...
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# ✗ Wrong
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CPU=4 # Missing var_ prefix
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var_CPU=4 # Uppercase not allowed
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var_cpu = 4 # Spaces around =
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var-cpu=4 # Hyphens not allowed
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```
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---
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## Complete Variable Reference
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### var_unprivileged
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**Type:** Boolean (0 or 1)
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**Default:** `1` (unprivileged)
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**Description:** Determines if container runs unprivileged (recommended) or privileged.
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```bash
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var_unprivileged=1 # Unprivileged (safer, recommended)
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var_unprivileged=0 # Privileged (less secure, more features)
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```
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**When to use privileged (0):**
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- Hardware access required
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- Certain kernel modules needed
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- Legacy applications
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- Nested virtualization with full features
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**Security Impact:**
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- Unprivileged: Container root is mapped to unprivileged user on host
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- Privileged: Container root = host root (security risk)
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---
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### var_cpu
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**Type:** Integer
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**Default:** Varies by app (usually 1-4)
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**Range:** 1 to host CPU count
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**Description:** Number of CPU cores allocated to container.
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```bash
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var_cpu=1 # Single core (minimal)
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var_cpu=2 # Dual core (typical)
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var_cpu=4 # Quad core (recommended for apps)
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var_cpu=8 # High performance
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```
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**Best Practices:**
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- Start with 2 cores for most applications
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- Monitor usage with `pct exec <id> -- htop`
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- Can be changed after creation
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- Consider host CPU count (don't over-allocate)
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---
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### var_ram
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**Type:** Integer (MB)
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**Default:** Varies by app (usually 512-2048)
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**Range:** 512 MB to host RAM
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**Description:** Amount of RAM in megabytes.
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```bash
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var_ram=512 # 512 MB (minimal)
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var_ram=1024 # 1 GB (typical)
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var_ram=2048 # 2 GB (comfortable)
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var_ram=4096 # 4 GB (recommended for databases)
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var_ram=8192 # 8 GB (high memory apps)
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```
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**Conversion Guide:**
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```
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512 MB = 0.5 GB
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1024 MB = 1 GB
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2048 MB = 2 GB
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4096 MB = 4 GB
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8192 MB = 8 GB
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16384 MB = 16 GB
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```
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**Best Practices:**
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- Minimum 512 MB for basic Linux
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- 1 GB for typical applications
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- 2-4 GB for web servers, databases
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- Monitor with `free -h` inside container
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---
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### var_disk
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**Type:** Integer (GB)
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**Default:** Varies by app (usually 2-8)
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**Range:** 0.001 GB to storage capacity
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**Description:** Root disk size in gigabytes.
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```bash
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var_disk=2 # 2 GB (minimal OS only)
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var_disk=4 # 4 GB (typical)
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var_disk=8 # 8 GB (comfortable)
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var_disk=20 # 20 GB (recommended for apps)
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var_disk=50 # 50 GB (large applications)
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var_disk=100 # 100 GB (databases, media)
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```
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**Important Notes:**
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- Can be expanded after creation (not reduced)
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- Actual space depends on storage type
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- Thin provisioning supported on most storage
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- Plan for logs, data, updates
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**Recommended Sizes by Use Case:**
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```
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Basic Linux container: 4 GB
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Web server (Nginx/Apache): 8 GB
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Application server: 10-20 GB
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Database server: 20-50 GB
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Docker host: 30-100 GB
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Media server: 100+ GB
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```
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---
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### var_hostname
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**Type:** String
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**Default:** Application name
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**Max Length:** 63 characters
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**Description:** Container hostname (FQDN format allowed).
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```bash
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var_hostname=myserver
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var_hostname=pihole
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var_hostname=docker-01
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var_hostname=web.example.com
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```
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**Rules:**
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- Lowercase letters, numbers, hyphens
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- Cannot start or end with hyphen
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- No underscores allowed
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- No spaces
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**Best Practices:**
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```bash
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# ✓ Good
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var_hostname=web-server
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var_hostname=db-primary
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var_hostname=app.domain.com
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# ✗ Avoid
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var_hostname=Web_Server # Uppercase, underscore
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var_hostname=-server # Starts with hyphen
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var_hostname=my server # Contains space
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```
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---
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### var_brg
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**Type:** String
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**Default:** `vmbr0`
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**Description:** Network bridge interface.
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```bash
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var_brg=vmbr0 # Default Proxmox bridge
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var_brg=vmbr1 # Custom bridge
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var_brg=vmbr2 # Isolated network
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```
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**Common Setups:**
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```
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vmbr0 → Main network (LAN)
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vmbr1 → Guest network
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vmbr2 → DMZ
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vmbr3 → Management
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vmbr4 → Storage network
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```
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**Check available bridges:**
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```bash
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ip link show | grep vmbr
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# or
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brctl show
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```
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---
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### var_net
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**Type:** String
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**Options:** `dhcp` or `static`
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**Default:** `dhcp`
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**Description:** IPv4 network configuration method.
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```bash
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var_net=dhcp # Automatic IP via DHCP
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var_net=static # Manual IP configuration
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```
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**DHCP Mode:**
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- Automatic IP assignment
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- Easy setup
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- Good for development
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- Requires DHCP server on network
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**Static Mode:**
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- Fixed IP address
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- Requires gateway configuration
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- Better for servers
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- Configure via advanced settings or after creation
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---
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### var_gateway
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**Type:** IPv4 Address
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**Default:** Auto-detected from host
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**Description:** Network gateway IP address.
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```bash
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var_gateway=192.168.1.1
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var_gateway=10.0.0.1
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var_gateway=172.16.0.1
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```
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**Auto-detection:**
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If not specified, system detects gateway from host:
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```bash
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ip route | grep default
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```
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**When to specify:**
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- Multiple gateways available
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- Custom routing setup
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- Different network segment
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---
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### var_vlan
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**Type:** Integer
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**Range:** 1-4094
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**Default:** None
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**Description:** VLAN tag for network isolation.
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```bash
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var_vlan=10 # VLAN 10
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var_vlan=100 # VLAN 100
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var_vlan=200 # VLAN 200
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```
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**Common VLAN Schemes:**
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```
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VLAN 10 → Management
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VLAN 20 → Servers
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VLAN 30 → Desktops
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VLAN 40 → Guest WiFi
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VLAN 50 → IoT devices
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VLAN 99 → DMZ
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```
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**Requirements:**
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- Switch must support VLANs
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- Proxmox bridge configured for VLAN aware
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- Gateway on same VLAN
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---
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### var_mtu
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**Type:** Integer
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**Default:** `1500`
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**Range:** 68-9000
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**Description:** Maximum Transmission Unit size.
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```bash
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var_mtu=1500 # Standard Ethernet
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var_mtu=1492 # PPPoE
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var_mtu=9000 # Jumbo frames
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```
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**Common Values:**
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```
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1500 → Standard Ethernet (default)
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1492 → PPPoE connections
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1400 → Some VPN setups
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9000 → Jumbo frames (10GbE networks)
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```
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**When to change:**
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- Jumbo frames for performance on 10GbE
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- PPPoE internet connections
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- VPN tunnels with overhead
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- Specific network requirements
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---
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### var_mac
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**Type:** MAC Address
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**Format:** `XX:XX:XX:XX:XX:XX`
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**Default:** Auto-generated
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**Description:** Container MAC address.
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```bash
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var_mac=02:00:00:00:00:01
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var_mac=DE:AD:BE:EF:00:01
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```
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**When to specify:**
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- MAC-based licensing
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- Static DHCP reservations
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- Network access control
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- Cloning configurations
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**Best Practices:**
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- Use locally administered addresses (2nd bit set)
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- Start with `02:`, `06:`, `0A:`, `0E:`
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- Avoid vendor OUIs
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- Document custom MACs
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---
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### var_ipv6_method
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**Type:** String
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**Options:** `auto`, `dhcp`, `static`, `none`, `disable`
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**Default:** `none`
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**Description:** IPv6 configuration method.
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```bash
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var_ipv6_method=auto # SLAAC (auto-configuration)
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var_ipv6_method=dhcp # DHCPv6
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var_ipv6_method=static # Manual configuration
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var_ipv6_method=none # IPv6 enabled but not configured
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var_ipv6_method=disable # IPv6 completely disabled
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```
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**Detailed Options:**
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**auto (SLAAC)**
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- Stateless Address Auto-Configuration
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- Router advertisements
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- No DHCPv6 server needed
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- Recommended for most cases
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**dhcp (DHCPv6)**
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- Stateful configuration
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- Requires DHCPv6 server
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- More control over addressing
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**static**
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- Manual IPv6 address
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- Manual gateway
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- Full control
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**none**
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- IPv6 stack active
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- No address configured
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- Can configure later
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**disable**
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- IPv6 completely disabled at kernel level
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- Use when IPv6 causes issues
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- Sets `net.ipv6.conf.all.disable_ipv6=1`
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---
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### var_ns
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**Type:** IP Address
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**Default:** Auto (from host)
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**Description:** DNS nameserver IP.
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```bash
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var_ns=8.8.8.8 # Google DNS
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var_ns=1.1.1.1 # Cloudflare DNS
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var_ns=9.9.9.9 # Quad9 DNS
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var_ns=192.168.1.1 # Local DNS
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```
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**Common DNS Servers:**
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```
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8.8.8.8, 8.8.4.4 → Google Public DNS
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1.1.1.1, 1.0.0.1 → Cloudflare DNS
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9.9.9.9, 149.112.112.112 → Quad9 DNS
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208.67.222.222 → OpenDNS
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192.168.1.1 → Local router/Pi-hole
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```
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---
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### var_ssh
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**Type:** Boolean
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**Options:** `yes` or `no`
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**Default:** `no`
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**Description:** Enable SSH server in container.
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```bash
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var_ssh=yes # SSH server enabled
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var_ssh=no # SSH server disabled (console only)
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```
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**When enabled:**
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- OpenSSH server installed
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- Started on boot
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- Port 22 open
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- Root login allowed
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**Security Considerations:**
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- Disable if not needed
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- Use SSH keys instead of passwords
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- Consider non-standard port
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- Firewall rules recommended
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---
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### var_ssh_authorized_key
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**Type:** String (SSH public key)
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**Default:** None
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**Description:** SSH public key for root user.
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```bash
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var_ssh_authorized_key=ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC... user@host
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var_ssh_authorized_key=ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAA... user@host
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```
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**Supported Key Types:**
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- RSA (2048-4096 bits)
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- Ed25519 (recommended)
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- ECDSA
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- DSA (deprecated)
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**How to get your public key:**
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```bash
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cat ~/.ssh/id_rsa.pub
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# or
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cat ~/.ssh/id_ed25519.pub
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```
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**Multiple keys:**
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Separate with newlines (in file) or use multiple deployments.
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---
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### var_pw
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**Type:** String
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**Default:** Empty (auto-login)
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**Description:** Root password.
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```bash
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var_pw=SecurePassword123! # Set password
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var_pw= # Auto-login (empty)
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```
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**Auto-login behavior:**
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- No password required for console
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- Automatic login on console access
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- SSH still requires key if enabled
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- Suitable for development
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**Password best practices:**
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- Minimum 12 characters
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- Mix upper/lower/numbers/symbols
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- Use password manager
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- Rotate regularly
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---
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### var_nesting
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**Type:** Boolean (0 or 1)
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**Default:** `1`
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**Description:** Allow nested containers (required for Docker).
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```bash
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var_nesting=1 # Nested containers allowed
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var_nesting=0 # Nested containers disabled
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```
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**Required for:**
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- Docker
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- LXC inside LXC
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- Systemd features
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- Container orchestration
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**Security Impact:**
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- Slightly reduced isolation
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- Required for container platforms
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- Generally safe when unprivileged
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---
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### var_keyctl
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**Type:** Boolean (0 or 1)
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**Default:** `0`
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**Description:** Enable keyctl system call.
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```bash
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var_keyctl=1 # Keyctl enabled
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var_keyctl=0 # Keyctl disabled
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```
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**Required for:**
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- Docker in some configurations
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- Systemd keyring features
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- Encryption key management
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- Some authentication systems
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---
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### var_fuse
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**Type:** Boolean (0 or 1)
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**Default:** `0`
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**Description:** Enable FUSE filesystem support.
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```bash
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var_fuse=1 # FUSE enabled
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var_fuse=0 # FUSE disabled
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```
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**Required for:**
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- sshfs
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- AppImage
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- Some backup tools
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- User-space filesystems
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---
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### var_mknod
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**Type:** Boolean (0 or 1)
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**Default:** `0`
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**Description:** Allow device node creation.
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```bash
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var_mknod=1 # Device nodes allowed
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var_mknod=0 # Device nodes disabled
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```
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**Requires:**
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- Kernel 5.3+
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- Experimental feature
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- Use with caution
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---
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### var_mount_fs
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**Type:** String (comma-separated)
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**Default:** Empty
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**Description:** Allowed mountable filesystems.
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```bash
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var_mount_fs=nfs
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var_mount_fs=nfs,cifs
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var_mount_fs=ext4,xfs,nfs
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```
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**Common Options:**
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```
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nfs → NFS network shares
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cifs → SMB/CIFS shares
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ext4 → Ext4 filesystems
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xfs → XFS filesystems
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btrfs → Btrfs filesystems
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```
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---
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### var_protection
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**Type:** Boolean
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**Options:** `yes` or `no`
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**Default:** `no`
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**Description:** Prevent accidental deletion.
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```bash
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var_protection=yes # Protected from deletion
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var_protection=no # Can be deleted normally
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```
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**When protected:**
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- Cannot delete via GUI
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- Cannot delete via `pct destroy`
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- Must disable protection first
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- Good for production containers
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---
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### var_tags
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|
|
|
**Type:** String (comma-separated)
|
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**Default:** `community-script`
|
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**Description:** Container tags for organization.
|
|
|
|
```bash
|
|
var_tags=production
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var_tags=production,webserver
|
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var_tags=dev,testing,temporary
|
|
```
|
|
|
|
**Best Practices:**
|
|
```bash
|
|
# Environment tags
|
|
var_tags=production
|
|
var_tags=development
|
|
var_tags=staging
|
|
|
|
# Function tags
|
|
var_tags=webserver,nginx
|
|
var_tags=database,postgresql
|
|
var_tags=cache,redis
|
|
|
|
# Project tags
|
|
var_tags=project-alpha,frontend
|
|
var_tags=customer-xyz,billing
|
|
|
|
# Combined
|
|
var_tags=production,webserver,project-alpha
|
|
```
|
|
|
|
---
|
|
|
|
### var_timezone
|
|
|
|
**Type:** String (TZ database format)
|
|
**Default:** Host timezone
|
|
**Description:** Container timezone.
|
|
|
|
```bash
|
|
var_timezone=Europe/Berlin
|
|
var_timezone=America/New_York
|
|
var_timezone=Asia/Tokyo
|
|
```
|
|
|
|
**Common Timezones:**
|
|
```
|
|
Europe/London
|
|
Europe/Berlin
|
|
Europe/Paris
|
|
America/New_York
|
|
America/Chicago
|
|
America/Los_Angeles
|
|
Asia/Tokyo
|
|
Asia/Singapore
|
|
Australia/Sydney
|
|
UTC
|
|
```
|
|
|
|
**List all timezones:**
|
|
```bash
|
|
timedatectl list-timezones
|
|
```
|
|
|
|
---
|
|
|
|
### var_verbose
|
|
|
|
**Type:** Boolean
|
|
**Options:** `yes` or `no`
|
|
**Default:** `no`
|
|
**Description:** Enable verbose output.
|
|
|
|
```bash
|
|
var_verbose=yes # Show all commands
|
|
var_verbose=no # Silent mode
|
|
```
|
|
|
|
**When enabled:**
|
|
- Shows all executed commands
|
|
- Displays detailed progress
|
|
- Useful for debugging
|
|
- More log output
|
|
|
|
---
|
|
|
|
### var_apt_cacher
|
|
|
|
**Type:** Boolean
|
|
**Options:** `yes` or `no`
|
|
**Default:** `no`
|
|
**Description:** Use APT caching proxy.
|
|
|
|
```bash
|
|
var_apt_cacher=yes
|
|
var_apt_cacher=no
|
|
```
|
|
|
|
**Benefits:**
|
|
- Faster package installs
|
|
- Reduced bandwidth
|
|
- Offline package cache
|
|
- Speeds up multiple containers
|
|
|
|
---
|
|
|
|
### var_apt_cacher_ip
|
|
|
|
**Type:** IP Address
|
|
**Default:** None
|
|
**Description:** APT cacher proxy IP.
|
|
|
|
```bash
|
|
var_apt_cacher=yes
|
|
var_apt_cacher_ip=192.168.1.100
|
|
```
|
|
|
|
**Setup apt-cacher-ng:**
|
|
```bash
|
|
apt install apt-cacher-ng
|
|
# Runs on port 3142
|
|
```
|
|
|
|
---
|
|
|
|
### var_container_storage
|
|
|
|
**Type:** String
|
|
**Default:** Auto-detected
|
|
**Description:** Storage for container.
|
|
|
|
```bash
|
|
var_container_storage=local
|
|
var_container_storage=local-zfs
|
|
var_container_storage=pve-storage
|
|
```
|
|
|
|
**List available storage:**
|
|
```bash
|
|
pvesm status
|
|
```
|
|
|
|
---
|
|
|
|
### var_template_storage
|
|
|
|
**Type:** String
|
|
**Default:** Auto-detected
|
|
**Description:** Storage for templates.
|
|
|
|
```bash
|
|
var_template_storage=local
|
|
var_template_storage=nfs-templates
|
|
```
|
|
|
|
---
|
|
|
|
## Quick Reference Table
|
|
|
|
| Variable | Type | Default | Example |
|
|
|----------|------|---------|---------|
|
|
| `var_unprivileged` | 0/1 | 1 | `var_unprivileged=1` |
|
|
| `var_cpu` | int | varies | `var_cpu=4` |
|
|
| `var_ram` | int (MB) | varies | `var_ram=4096` |
|
|
| `var_disk` | int (GB) | varies | `var_disk=20` |
|
|
| `var_hostname` | string | app name | `var_hostname=server` |
|
|
| `var_brg` | string | vmbr0 | `var_brg=vmbr1` |
|
|
| `var_net` | dhcp/static | dhcp | `var_net=dhcp` |
|
|
| `var_gateway` | IP | auto | `var_gateway=192.168.1.1` |
|
|
| `var_ipv6_method` | string | none | `var_ipv6_method=disable` |
|
|
| `var_vlan` | int | - | `var_vlan=100` |
|
|
| `var_mtu` | int | 1500 | `var_mtu=9000` |
|
|
| `var_mac` | MAC | auto | `var_mac=02:00:00:00:00:01` |
|
|
| `var_ns` | IP | auto | `var_ns=8.8.8.8` |
|
|
| `var_ssh` | yes/no | no | `var_ssh=yes` |
|
|
| `var_ssh_authorized_key` | string | - | `var_ssh_authorized_key=ssh-rsa...` |
|
|
| `var_pw` | string | empty | `var_pw=password` |
|
|
| `var_nesting` | 0/1 | 1 | `var_nesting=1` |
|
|
| `var_keyctl` | 0/1 | 0 | `var_keyctl=1` |
|
|
| `var_fuse` | 0/1 | 0 | `var_fuse=1` |
|
|
| `var_mknod` | 0/1 | 0 | `var_mknod=1` |
|
|
| `var_mount_fs` | string | - | `var_mount_fs=nfs,cifs` |
|
|
| `var_protection` | yes/no | no | `var_protection=yes` |
|
|
| `var_tags` | string | community-script | `var_tags=prod,web` |
|
|
| `var_timezone` | string | host TZ | `var_timezone=Europe/Berlin` |
|
|
| `var_verbose` | yes/no | no | `var_verbose=yes` |
|
|
| `var_apt_cacher` | yes/no | no | `var_apt_cacher=yes` |
|
|
| `var_apt_cacher_ip` | IP | - | `var_apt_cacher_ip=192.168.1.10` |
|
|
| `var_container_storage` | string | auto | `var_container_storage=local-zfs` |
|
|
| `var_template_storage` | string | auto | `var_template_storage=local` |
|
|
|
|
---
|
|
|
|
## See Also
|
|
|
|
- [Defaults System Guide](DEFAULTS_GUIDE.md)
|
|
- [Unattended Deployments](UNATTENDED_DEPLOYMENTS.md)
|
|
- [Security Best Practices](SECURITY_GUIDE.md)
|
|
- [Network Configuration](NETWORK_GUIDE.md)
|