월. 7월 21st, 2025

🔍 What is Proxmox VE?

It is an open source hypervisor-based virtualization platform that manages KVM virtual machines + LXC containers from a single web interface.
✔️ Free enterprise solution ✔️ Live migration ✔️ Backup/recovery support ✔️ Cluster configurable

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🛠 Preparation

1. Hardware Requirements

  • CPU**: 64-bit processor with Intel VT/AMD-V virtualization support (📌 check with grep -E '(vmx|svm)' /proc/cpuinfo)
  • RAM: 4GB+ (8GB+ recommended for VMs)
  • Storage: SSD 20GB+ (separate disk for VM storage recommended)
  • Network: Wired LAN port

2. Software

3. Create the installation media

With “`bash.

When using Rufus:

  1. boot method: select DD mode
  2. partition: GPT (UEFI enabled machines) / MBR (legacy)
    
    ⚠️ **WARNING**: All data on USB will be deleted!

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📀 Installation step-by-step guide (on-screen)

1️⃣ Boot and start

  • Boot with USB → Select Install Proxmox VE
  • Accept License**: Click I agree

2️⃣ Set up the disk 💾

| Options | Recommended Settings |
|---------------|--------------|
| Target Disk | SSD to install OS on |
| Filesystem | ext4 |
| Swap | 50% of RAM size |

⚠️ Important: Selecting Filesystem as ZFS in “Advanced Options” will ↑ snapshot/clone efficiency (but 8GB+ RAM is recommended)

3️⃣ Network Settings 🌐

Example of network settings

  • IP Address: Specify the server static IP (e.g. 192.168.0.100/24)
  • Gateway**: Router IP (e.g. 192.168.0.1)
  • DNS**: 8.8.8.8 (Google DNS)

4️⃣ System Settings

  • Country/Time Zone**: Select Asia/Seoul
  • Password**: Set root account password (⚠️ complex combination required!)
  • Email: Enter the address to receive notifications

5️⃣ Installation complete 🔧

  • Installation progress bar 100% → Reboot
  • Access after booting: https://[serverIP]:8006 (Chrome/Firefox recommended)

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Required settings after installing ⚙️

1. Add a repository

1. left menu [Data Center] > [Storage] > [Add].
2. select type:
   - **Directory**: Local HDD/NAS connection
   - NFS**: Network storage
3. specify a storage name (e.g. `local-lvm`, `nfs-backup`)

2. Update & Subscribe

# in a terminal (or web shell):
# apt update && apt dist-upgrade -y
# Activate the free repository:
sed -i 's/^deb/#deb/' /etc/apt/sources.list.d/pve-enterprise.list
echo "deb http://download.proxmox.com/debian/pve $(grep "VERSION_CODENAME" /etc/os-release -c 1 | cut -d= -f2) pve-no-subscription" > /etc/apt/sources.list.d/pve-no-subscription.list

3. Network Security 🔒.

  • Firewall: Datacenter > Firewall > Options > Firewall: Yes
  • Change SSH Port**: Edit /etc/ssh/sshd_configPort 2222

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🎯 Practical tips for beginners

  1. **When creating a VM

    • Format the disk: QCOW2 (Dynamic Allocation)
    • CPU type: host (performance optimization)
  2. automate backups

    [Data Center] > [Backup] > [Add]
    - Schedule: Daily at 02:00
    - Storage: `nfs-backup`
    - Compression: **ZSTD** (High Efficiency).
  3. Configure the cluster

    • After the first server installation: Datacenter > Cluster > Create Cluster
    • Add nodes: pvecm add [existing node IP] on each server

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💡 Wrapping Up

Proxmox is an all-in-one virtualization solution from home labs to enterprise infrastructure! > ✨ Recommended Utilizations: > – NAS + Docker hosts (LXC containers) > – Dev/test server pools > – High availability clusters

Once you’ve completed the initial setup, you can easily control all your resources with the web UI.
Get started with Proxmox and experience the “freedom of virtualization”! 🎉

> ❓ In case of problems: official forum or check /var/log/syslog > 📚 Learning Resources: Proxmox official documentation

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