Proxmox SNMP Primer
Introduction Proxmox VE hypervisors need to be monitored. Some of the key items you could monitor are: Disk I/O Wait time CPU temperature Smart Status
Virtualization
Anatomy of (another) Proxmox hypervisor reboot gone wrong
Introduction I hate Proxmox hypervisor reboots. Any hypervisor reboot is a bad thing, because at the end of the day you’ll have VMs on the
Proxmox Hypervisor Reboot: DMAR-IR: [Firmware Bug]: ioapic 3 has no mapping iommu, interrupt remapping will be disabled
A while ago I rebooted a Proxmox server in cluster and got this scary message: DMAR-IR: [Firmware Bug]: ioapic 3 has no mapping iommu, interrupt
Anatomy of Proxmox File Systems Crashes – stuck on `random: crng init done` again?
Proxmox disks sometimes break. It’s not supposed to, but when it happens it can be devastating. I only use defaults. Nothing fancy. Whatever the operating
How to get Debian ARM64 (Mac M Silicon) running on a Mac
This is easy. Just install UTM then select your Debian ISO. UTM: https://mac.getutm.app/ Debian: https://cdimage.debian.org/debian-cd/current/arm64/iso-cd/ Install Cinnamon sudo apt -y install cinnamon Install SSH sudo
How do you determine if a Proxmox linked clone is attached to a disk?
Sometimes you want to get rid of a VM template. In doing so, you might encounter the following issue: TASK ERROR: base volume ‘nas02:base-9403-disk-0’ is
Anatomy of a Proxmox server host’s VM storage disk crash
Introduction Every disk crash is different. The point being a disk crash should never happen, so when it does, the results and probability of recovery
Qemu Guest Agent on WHM Servers causes Proxmox Backup Backup server to never unfreeze
Scenario You’re trying to backup a WHM/cPanel server using Proxmox Backup Server. The server is running qemu-guest-agent. The next minute, instead of backing up the
service qemu-guest-agent start timeout in Proxmox environment
TL;DR You don’t have Qemu Guest Agent enabled on the VM. The default is to have it disabled. Longer explanation At times on a new
Dealing with Disk I/O Errors on Proxmox
Proxmox is incredibly stable virtualization software. If you’re having Disk IO issues, it’s typically related to hardware. But how to troubleshoot? In this article we