Proxmox VE on Mexicali IT

Proxmox: How to Resolve "Bulk Start Waiting for Quorum"

Tue, 10 Mar 2026 21:30:00 -0700

When running a Proxmox VE cluster, a sudden power outage or network partition can bring down multiple nodes simultaneously. When a single node powers back on, it will typically refuse to start its Virtual Machines, freezing at a “bulk start waiting for quorum” message.

Proxmox does this intentionally: to prevent “split-brain” scenarios where two isolated nodes try to run the same VMs at the same time and corrupt storage, the cluster enforces Quorum (a strict majority of active nodes). If a node cannot see the majority of the cluster, it locks down.

Proxmox: How to Import Hyper-V VMs (.VHDX) to Proxmox

Tue, 10 Mar 2026 21:00:00 -0700

Migrating your infrastructure from Microsoft Hyper-V to Proxmox VE is a common step for organizations seeking a powerful, open-source virtualization platform. While Proxmox does not natively run .vhdx files, its underlying QEMU hypervisor architecture allows you to easily import and seamlessly convert Hyper-V disks into Proxmox-native formats (RAW or QCOW2) directly from the command line.

This guide will walk you through the process of exporting a Virtual Machine from Hyper-V, transferring the virtual disk, converting it into a Proxmox VM, and configuring the necessary VirtIO drivers to ensure Windows boots successfully.

Proxmox: How to Expand Local Storage (Remove Local-LVM)

Tue, 10 Mar 2026 20:00:00 -0700

When you install Proxmox VE on a single driveâ€”for instance, a 1TB SSDâ€”the installer automatically partitions the space into local (root file system, typically for ISOs and backups) and local-lvm (block storage for VM disks). However, for many Homelab enthusiasts and small-scale deployments, this division is often unnecessary and can lead to wasted space on one partition while the other is full.

This guide explains how to safely remove the local-lvm partition and expand your primary local (root) filesystem to claim 100% of your disk’s usable space.

Proxmox: How to Add Nodes (Hosts) to a Cluster

Tue, 10 Mar 2026 19:00:00 -0700

Scaling your virtualization environment by creating a Proxmox VE Cluster allows you to centrally manage multiple physical nodes from a single web interface. Clustering enables advanced enterprise features such as High Availability (HA), live migration, and shared storage management. This guide will show you how to securely join a new, standalone Proxmox host into an existing cluster.

1. Retrieve Cluster Join Information

First, log into the web interface of an existing node that is already part of the cluster you wish to join.

Proxmox: How to Add Active Directory Authentication (LDAP)

Tue, 10 Mar 2026 18:00:00 -0700

Integrating Proxmox Virtual Environment (VE) with Microsoft Active Directory allows you to centralize user management and apply your organization’s existing security policies to your virtualization clusters. By connecting Proxmox to AD via LDAP, administrators and operators can log in using their standard domain credentials, eliminating the need to manage separate local accounts on each Proxmox node.

1. Add the Active Directory Realm

Navigate to your Proxmox VE web interface. At the top of the left-hand cluster menu, click on Datacenter, then select Realms.

Proxmox VE: How to Apply a Valid Let's Encrypt SSL Certificate via ACME DNS

Tue, 10 Mar 2026 17:00:00 -0700

By default, Proxmox VE generates a self-signed SSL certificate during installation. While this encrypts the traffic between your browser and the server, it causes modern browsers to throw aggressive “Your connection is not private” warnings.

Why should we apply a valid SSL Certificate? In an enterprise or advanced homelab environment, ignoring certificate warnings is a dangerous habit. It trains administrators to click “Proceed Anyway”, which leaves them vulnerable to genuine Man-in-the-Middle (MitM) attacks. Furthermore, integrating Proxmox with external APIs, backup servers, or automation tools (like Terraform) often fails outright if the endpoint does not possess a mathematically verifiable, globally trusted SSL certificate.

Proxmox VE: Post-Install Configuration using Helper Scripts

Tue, 10 Mar 2026 16:00:00 -0700

After completing the bare-metal installation of Proxmox VE, you will quickly notice a few initial hurdles: the persistent “No Valid Subscription” validation nag, the inability to download updates because the “Enterprise” repository is enabled by default, and a few unoptimized cluster settings.

To fix all of this simultaneously, we will use a legendary community tool that has saved thousands of hours for homelabbers and system administrators alike: Proxmox VE Helper-Scripts.

Proxmox VE: Bare-Metal Installation & Boot Partitioning Guide

Tue, 10 Mar 2026 15:00:00 -0700

When it comes to building an enterprise-grade homelab or deploying production hypervisors on a budget, Proxmox Virtual Environment (VE) is the undisputed king. Built on Debian GNU/Linux, it provides native integration with KVM (Kernel-based Virtual Machine) for virtual machines and LXC for lightweight containers, completely free of licensing traps.

In this guide, we will walk through the bare-metal installation of Proxmox VE, paying special attention to the often-overlooked storage partitioning step to ensure you aren’t leaving performance on the table.