What is Proxmox?

In plain English? It’s an operating system based on Debian Linux that turns your computer into a server that runs other computers (Virtual Machines) and lightweight apps (Containers). You install it on bare metal, access a web dashboard from your laptop, and start spinning up instances of Windows, Linux, Home Assistant, or whatever else you need.

I’ve been running Proxmox for a while now. Here is the casual, no-fluff breakdown of whether Proxmox is worth your weekend.

My Lab Configuration

For this test, I used the following: Physical Hardware MSI NUC Mini PC 32 Cores 32GB RAM and 250GB NVME Router Dedicated 1GBps Network Switch

Hypervisor Proxmox

Workloads/Services Ubuntu 25.10 Server Virtual Machine

The Good Stuff (The Advantages)

1. It’s Free (Actually Free)

Unlike the “free trials” or “feature-limited” versions of other hypervisors, Proxmox gives you the full deck of cards for $0. Clustering? Free. High Availability? Free. Backups? Free. They make money on support subscriptions, not by locking features behind a paywall.

2. The Dashboard is HTML5 Bliss

Remember the old days of needing a heavy Windows client just to manage a server? Proxmox runs entirely in your browser. The UI is snappy, responsive, and gives you a shell (terminal) right in the browser window for any VM. It feels modern.

3. LXC Containers are Magic

Proxmox supports standard VMs (KVM), but it also does LXC containers. These are lightweight Linux containers that share the host kernel.

  • Why care? You can run a Pi-hole, a Plex server, or a web server with barely any RAM overhead. A full VM might need 2GB of RAM; an LXC container doing the same job might eat 128MB.

4. Proxmox Backup Server (PBS)

If you get into the ecosystem, the Proxmox Backup Server is a game-changer. It offers deduplicated, incremental backups that are absurdly fast. You can restore a single file from a VM without restoring the whole VM.

5. Hardware Compatibility

Because it’s just Debian Linux underneath, it runs on everything. Old gaming PC? Intel NUC? Enterprise R720? If Linux supports it, Proxmox supports it.

The Not-So-Good Stuff (The Drawbacks)

1. The “Nag” Screen

When you log in without a paid subscription, you get a pop-up saying, “You don’t have a valid subscription.” You can click “OK” and ignore it, or run a simple script to remove it, but it’s a tiny friction point every time you log in.

2. It’s Not “Point and Click” for Everything

While the GUI is great, you will eventually need to touch the command line. Whether it’s passing through a GPU for Plex transcoding or editing a network config file that got messy, some Linux knowledge is required. It’s not as “appliance-like” as Synology or Unraid.

3. Networking Can Be scary

If you want to do fancy stuff like VLANs, bonding, or software-defined networking (SDN), the learning curve spikes. It’s powerful, but it doesn’t hold your hand.

4. No Native “App Store”

Unraid has the “Apps” tab. TrueNAS has “Charts.” Proxmox just gives you empty VMs and Containers. You have to install the OS and the software yourself.

The Verdict

Proxmox is currently the undisputed king of the open-source virtualization hill. It strikes the perfect balance between “powerful enough for a data center” and “accessible enough for a home user.”

If you are comfortable learning a little bit of Linux, the flexibility it offers is unmatched. The ability to mix heavy VMs and lightweight Containers on the same interface is a superpower you won’t want to give up.

Rating

4.5/5 - Magic!

References

  • Proxmox Overview: https://www.proxmox.com/en/products/proxmox-virtual-environment/overview
  • Proxmox Documentation: https://pve.proxmox.com/pve-docs/