Virtual Machines
Articles in Virtual Machines.
Blog posts
How to Import an OVA or OVF Virtual Appliance into Proxmox VE
Proxmox has no one-click OVA import button. Here is the real CLI workflow for extracting an OVA, creating a matching VM, and importing the disk with qm importdisk.
How to Increase CPU and RAM Resources for a Virtual Machine in Proxmox VE
Learn how to give a Proxmox VE virtual machine more CPU cores and RAM from the web GUI or the command line, including how CPU and memory hotplug work so you can resize without a reboot.
How to Enable Nested Virtualization in Proxmox VE (Run a VM Inside a VM)
Learn how to safely enable nested virtualization in Proxmox VE so a guest VM can run its own inner VMs, with steps for Intel and AMD, CPU type settings, and the tradeoffs to know first.
How to Auto-Start VMs and LXC Containers on Boot in Proxmox VE
Learn how to make Proxmox VE VMs and LXC containers start automatically after a reboot, using the Start at boot option and startup order settings to control the sequence.
Setting Up NVIDIA vGPU (Mediated Devices) in Proxmox VE
NVIDIA vGPU lets several VMs share one physical GPU instead of dedicating the whole card to a single guest. Here's the complete setup: host driver, SR-IOV, resource mapping, VM configuration, guest drivers, licensing, and the troubleshooting steps that actually matter.
How to Create an Ubuntu VM in Proxmox VE (Step-by-Step Guide)
New to Proxmox and want your first real VM? This step-by-step guide walks through installing Ubuntu Server as a Proxmox VM, from ISO download to guest agent setup, with the settings that actually matter for a Linux guest.
How to Configure HugePages for Proxmox VE Virtual Machines (Static and Transparent)
Reduce TLB overhead and get predictable memory latency for databases and DPDK workloads by reserving static HugePages in Proxmox VE, configuring NUMA-aware VMs, and understanding why HugePages and memory ballooning can't be used together.
How Memory Ballooning Works in Proxmox VE (And When to Disable It)
A deep dive into how the virtio-balloon device lets Proxmox VE dynamically resize VM memory, how to configure it via the GUI and qm.conf, and when you should turn it off for databases, PCI passthrough, and SLA-bound workloads.
How to Install VirtIO Drivers for Windows VMs in Proxmox VE
Windows can't see VirtIO disks or network cards without extra drivers. Here's how to attach the virtio-win ISO, load the storage driver during setup, and finish with the guest tools installer.
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