Practical Homelab Guides for Proxmox and Self-Hosting

If Proxmox shows QEMU guest agent is not running, check the VM option on the Proxmox node and the agent service inside the guest. Run qm agent <vmid> ping on the node to verify that the two can communicate. Which message do you see? Message or symptom First check QEMU guest agent is not running On the Proxmox node, check the VM’s agent option and ping the agent . No guest agent configured or Requires guest agent installed Check the VM option and guest installation . A dependency job for qemu-guest-agent.service failed In the Linux VM, check the virtio-serial device and boot journal . Error opening channel … No such file or directory Compare the path in the log with the configured channel . Windows service is running, but ping fails Check the VM option and the VirtIO Serial driver . Quick fix From the Proxmox host: ...

The short answer: Reuse a suitable computer before buying another one. Choose a compact mini PC when space and noise matter and you do not need many full VMs or internal drives. Compare an expandable used business PC when you need more VM headroom, several local drives, a PCIe card, or a flexible upgrade path. Check the exact model and configuration before buying; a chassis category alone cannot guarantee capacity, noise, or compatibility. ...

Kurzantwort Ein Intel N150 mit 16 GB RAM reicht für viele kleine Proxmox-Homelabs aus. Home Assistant, AdGuard oder Pi-hole, Monitoring und mehrere leichte LXC-Container sind für diese Geräteklasse plausible Aufgaben. Die wichtigere Frage vor dem Kauf lautet aber nicht nur: „Läuft Proxmox auf einem N150?“ Sondern: Reicht ein N150 für genau die Dienste, die ich gleichzeitig betreiben möchte? Bei Jellyfin-Transcoding, großen Immich-Importen, mehreren vollständigen VMs oder einer Windows-VM werden CPU-Leistung, RAM und Erweiterbarkeit deutlich wichtiger. Genau deshalb ist eine Workload-basierte Entscheidung sinnvoller als eine pauschale Mini-PC-Empfehlung. ...

Wake-on-LAN failing on Proxmox? There are two completely separate problems people mean by this: Waking the physical Proxmox host from a full shutdown — this is regular hardware WoL. It works, with a few Proxmox-specific gotchas. Waking a VM that is powered off — classic magic-packet WoL does not work here. A virtual NIC is not a physical card sitting in a low-power state. If you mixed solutions from both threads and nothing worked, that is why. Do them separately. ...

A Proxmox backup can fail at 2 AM while everything else keeps running normally. Your VMs are still up. The host looks healthy. Nothing forces you to open the backup logs. Then a few days later you discover that the backup you assumed was running every night hasn’t been working. For backups, I don’t want another monitoring dashboard. I want this: ❌ PBS backup FAILED node pve1 · 02:14 One message when the backup breaks. ...

You already can run a raw Paper/Vanilla jar in an LXC. Crafty Controller is the layer on top: a web UI to start/stop servers, edit files, pull backups, and keep more than one Minecraft version without SSH-ing into the box every time. If you have not decided between LXC vs VM or Java vs Bedrock yet, start with the Minecraft Server on Proxmox guide . This article assumes that decision is made and focuses on how to manage those servers once they exist. ...

If an Intel I225-V interface on Proxmox VE 9 starts falling into a repeating NETDEV WATCHDOG / Reset adapter loop after moving to a 7.0.x Proxmox kernel, there is now at least one well-documented report showing exactly that pattern. The important caveat is scope: this is not yet a broadly confirmed Proxmox-wide bug affecting every I225-V or I226-V system. The strongest current evidence comes from one detailed Proxmox VE 9.2.5 report where the same I225-V hardware was stable on 6.17.13-21-pve and repeatedly failed on two tested 7.0 kernels. ...

For an expandable Proxmox host, shortlist the GMKtec K8 Plus if you need its dual Ethernet and OCuLink. At the checked prices, its $919.99 complete 32 GB / 1 TB kit costs less than our $1,151.96 example barebone build. Choose the Beelink EQ14 N150 for a small container lab, or the Minisforum MS-01 when 10GbE and a PCIe card are actual requirements. The Beelink SER8 is an alternative when one Ethernet port is enough, subject to finding a suitable US offer. ...

Evidence note: This is a research-backed analysis of the GMKtec K8 Plus as a Proxmox host. It combines GMKtec’s system specifications , AMD’s Ryzen 7 8845HS specifications , Proxmox documentation, and attributable owner reports. It is not a first-hand RunAHomeLab hardware benchmark. Community reports identify possible failure modes but do not prove that every unit is affected. See the research methodology . Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. RunAHomeLab may receive a commission at no extra cost to you. Affiliate relationships do not change the evidence standard or recommendation status. ...

An Active Directory lab is useful for learning domain controllers, DNS, Group Policy, identity administration, and Windows client management. This guide is a learning-lab plan, not a production Active Directory design or security baseline. Evidence note: The Windows and AD DS guidance below follows current Microsoft documentation; Proxmox-specific guest guidance points to Proxmox documentation. Resource values are conservative starting allocations, not measured performance guarantees. See the research methodology . What You Need a Proxmox host with enough spare CPU, memory, and storage for the guests you choose; a current Windows Server evaluation ISO from the Microsoft Evaluation Center ; one or more Windows client ISOs that you are licensed to use; the Windows VirtIO drivers when the VM uses VirtIO storage, network, ballooning, or serial devices; an isolated lab network if you plan to test DHCP, DNS failures, offensive-security tools, or intentionally unsafe configurations. Whether a Windows VM needs a specific VirtIO driver depends on the virtual hardware selected. It does not depend on whether the VM is a server or client, or how “important” the guest is. ...