Category: Virtualization
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How to Manually Remove an Orphaned Proxmox Node
How to Manually Remove an Orphaned Proxmox VM When Storage is Missing Have you ever removed a storage drive or LVM volume from a Proxmox node, only to find a “ghost” of a virtual machine left behind in the web UI? This orphaned VM can’t be started, migrated, or even deleted through the standard methods.…
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Upgrading Proxmox 8 to Proxmox 9
How to Upgrade Proxmox VE 8 to 9: A Step-by-Step Guide This guide will walk you through the process of upgrading a Proxmox VE 8 (based on Debian 12 “Bookworm”) node to Proxmox VE 9 (based on Debian 13 “Trixie”). We will use the official command-line method, which is robust and reliable for standalone nodes…
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How to Fix “Host Key Verification Failed” Error in Proxmox
The “Host key verification failed” error is a common issue when working with SSH-based systems like Proxmox. It occurs when SSH detects a mismatch between the host key of the remote server and the stored key in your known hosts file. This error is often triggered when a server’s host key changes, which can happen…
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Converting VirtualBox .vdi to Proxmox VM using VBoxManage
Converting a VirtualBox virtual machine (VM) to a Proxmox VM involves several steps, including extracting the data from the VirtualBox .vdi file, converting it to a raw .img file using VBoxManage, and then creating a new Proxmox VM using the raw image. This tutorial will guide you through the process. Prerequisites: Step 1: Export VirtualBox…
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Automate Virtual Machine Startup in Windows
Step 1: Access the Startup Folder Navigate to the Windows startup folder where files or shortcuts can be placed to run programs automatically when your Windows user account loads. The path may vary depending on your user profile, but a common location is: C\Users\<YourUsername>\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup Replace <YourUsername> with your actual Windows username. You can also…
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Creating Large VirtualBox Disks on Windows
In this tutorial, we’ll explore how to increase the virtual disk size for a VirtualBox virtual machine on a Windows host. While the VirtualBox GUI typically limits the maximum size of a .vdi disk to 2TB, we’ll use the command line to create a larger virtual disk of 18TB. This extended capacity allows you to…