The Vormox blog
Guides, deep dives and product news on automating Proxmox VE at scale.
Blog posts
Understanding Proxmox VE Disk Cache Modes: Write Back, Write Through, None, and Direct Sync Explained
Learn what each Proxmox VE disk cache mode actually does at the QEMU level, why ZFS needs Direct sync instead of the default, and how to choose safely between No cache, Write back, Write through, and Write back (unsafe) without risking data loss on host failure.
Privileged vs Unprivileged LXC Containers in Proxmox VE: Understanding the Security Tradeoffs
Every Proxmox container is created privileged or unprivileged, and that one checkbox decides how much of your host a container escape could reach. Here's what the two modes actually do at the kernel level, and how to choose and convert between them.
How to Fix High CPU Usage on a Proxmox VE Host
Proxmox CPU graph pinned high? Learn how to tell host load from guest load, spot iowait masquerading as CPU usage, trace a busy KVM process back to its VM, and fix the real cause.
How to Manage Proxmox VE with Ansible: Automating VM and LXC Provisioning
A practical guide to provisioning and configuring Proxmox VE VMs and LXC containers with Ansible, using the current community.proxmox collection, API tokens, dynamic inventory, and idempotent playbooks.
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 Manage Proxmox VE with Terraform: A Complete Infrastructure-as-Code Guide
Stop clicking through the GUI to build the same VM twice. Here's how to use the bpg/proxmox Terraform provider to declaratively provision VMs and LXC containers, manage state safely, and import machines you already have.
How to Install Proxmox VE on VMware Workstation (Nested Virtualization for Testing)
No spare hardware for Proxmox VE? You can run it nested inside VMware Workstation on your own laptop. This guide covers the CPU passthrough setting, networking mode, and installer steps that actually make it work, plus what won't run in this setup.
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 to Update Proxmox VE Safely (Without Breaking Your Host)
New to Proxmox and not sure how updates work? This beginner guide covers the enterprise vs no-subscription repositories, the right apt commands, when a reboot is actually needed, and the mistakes that leave a node half-upgraded.