Category: Proxmox
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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…