Tag: Virtualization

Large VM stun times during snapshot operations on VMware vSAN

Contribute to cloudbase/OpenVixDiskLib development by creating an account on GitHub.

Broadcom will refresh vSphere Standard, and Proxmox adds 24/7 support. What was said, what was not, and why 128 cores is a licensing floor.

The full Omarchy Linux desktop, running in a window on your Windows PC. No partitions, no bootloader, no dual boot. Uninstalling is deleting one folder.

A production-ready, lightweight open-source virtualization platform for environments from homelabs to hyperscale infrastructure.

Try Omarchy on Apple Silicon without any setup. Contribute to themartiano/try-omarchy development by creating an account on GitHub.

Firecracker needs KVM and therefore a Linux host, and the image tooling around it needs loop mounts and Linux userland. We rebuilt the stack on Apple's Virtualization.framework to boot the same OCI images as microVMs on macOS and on Linux.

ProxMate is an open-source, self-hosted Proxmox VE management portal. Spin up tenant VMs, manage users, and control your homelab mini-cloud — all from a single, beautiful UI.

Prior to VMware Cloud Foundation (VCF) 9.1, users could choose whether to apply an ESX update across all or a selected set of vSphere Clusters, but there was no additional granularity for selecting…

Are you running Proxmox VE with a UPS? If so, check out a new project called PVE-UPS. With a GUI setup, you can easily automate your Proxmox shutdowns.

Proxmox VE is an open source virtualization platform that combines KVM virtual machines, Linux containers, and clustering in a unified management environment, providing a cost-effective foundation for modern infrastructure.

📣 vSphere 8.0 Update 3K has just been released, addresses various CVE. This is also back-in-time release, which means there is currently NOT a #VCF91 release for upgrade, future 9.1.x will allow for this

Meet OpenNebula 7.4 “Helix”, a powerful release that brings operational excellence, intelligent automation, and a fully reimagined user experience.

Mass hypervisor migration using Veeam backups as the source, instant and cold migration of VMs to Proxmox VE, oVirt, and HPE VM Essentials, without touching vSphere. - VeeamHub/moov

Goodbye, old friend. We’ve been traveling together since 2010, and you’ve faithfully served all myvirtual machineneeds well, first with VirtualBox and then later withlibvirtandKVM. But, as they1say,

After years of running a Proxmox cluster, I migrated my entire homelab to NixOS with Incus. I explain the philosophical friction of imperative 'appliance' OSs vs declarative hosts, share how I migrated my LXC/VM workloads, and why it is the perfect infrastructure to manage using AI agents.

Two years ago, Broadcom finished its $61 billion acquisition of VMware and immediately started burning the old world down. Price hikes of 150% to over 1,000%. Perpetual licensing gone. 168 products gutted to four bundles. Lawsuits. Audit letters with three-day deadlines. The enterprise IT world lost its mind.

If you’ve been setting up VMware Memory Tiering or thinking about it, you’ve probably asked yourself at some point: what happens to Memory Large Pages? It’s a great question, and I’m glad you’ve asked it, because the answer changes how you need to plan your capacity and configure your VMs. Let me walk you through … Continued

ProxPatch orchestre la mise à jour de manière discrète et continue d'un cluster Proxmox VE. Il effectue des upgrades, des migrations à chaud des VM, des reboots et contrôle le quorum.

VMware Cloud Foundation (VCF) 9.1 continues to support side-loading, or direct upload, of VCF binaries into the VCF Installer, similar to VCF 9.0. However, there is now an additional workflow requi…

XO 6.5 is out: QCOW2 GA, bidirectional replication, traffic rules on networks and VIFs, richer Prometheus metrics, plus a fresh Kubernetes CSI release and a Cluster API teaser.

XCP-ng version: 8.3 | VMware: Generic (ESXi/vSphere) This post is a companion reference to the video. Post corrections or additions below. If you are looking for my training & tutorials you can find that here Why This Guide Exists Broadcom’s acquisition of VMware changed the economics of virtualization overnight. Perpetual licenses are gone, pricing has shifted to subscription bundles, and a lot of shops that were happy running vSphere for years are now evaluating their optio...

We are pleased to announce the release of Proxmox Datacenter Manager 1.1!

Docker ships with an undocumented API for spawning isolated microVMs. Here's how to use it for more than just AI agents.

Learn the Proxmox VM disk settings I change on every new VM for better performance, storage efficiency, and responsiveness.

This video highlights the key features introduced in Proxmox Virtual Environment 9.2. The release debuts a Dynamic Load Balancer for real-time cluster resource scheduling and automated high-availability (HA) migrations. Networking receives an enterprise overhaul with native WireGuard and BGP fabrics for secure cross-site inter-node connections, alongside granular Route Maps and Prefix Lists for advanced BGP/EVPN route filtering.

VCF 9 Home Lab | Embedded vIDM (viDB) — AD Integration, Users, Groups & NSX SSO 📅 May 2026  |  🏷️ VCF 9 Home Lab Series  |  ✍...

Nested ESX continues to be a popular way to explore and learn about VMware Cloud Foundation (VCF), it is also the basis for the VCF Holodeck solution. With the release of VCF 9.1, Nested ESXi VMs c…

Diskless Linux Boot

In this blog post, I’ll explain how Nutanix Flow 7 works, how to set up and use virtual networking, take a look at VPCs, and highlight the differences from NSX.

Proxmox 9.1.8 adds automatic HA rebalancing and Dynamic Load scheduling. A look at how it works and why it matters for your home lab.

A complete guide to replacing the default OVHcloud gateway with a pfSense firewall on Nutanix NC2.

Quick reference for XCP-ng and Xen Server CLI: xe commands for VMs, hosts, storage (SR, VDI), networks, and common management tasks.

Why we started running our office lab on FreeBSD with Sylve, and how a simpler stack ended up fitting our workflow better.

Modern web interface for FreeBSD. Unified management of Bhyve VMs, Jails, ZFS storage, networking, and system monitoring.

Applying DevOps to networks.

VMware vSAN stands as a cornerstone of the modern Software-Defined Data Center (SDDC), offering robust, high-performance, and scalable storage solutions integrated directly into the hypervisor. As the

Talk to your infrastructure in plain language, get instant answers, and keep everything on-prem if you want.

Xen Orchestra install/update script. Contribute to ronivay/XenOrchestraInstallerUpdater development by creating an account on GitHub.

Is ProxCenter the vCenter for Proxmox? A deep look at ProxCenter for Proxmox, including DRS, HA, rolling updates, and multi-cluster management.

This video explains the basic networking within Red Hat OpenShift Platform. From pod network to services, routes and secondary vlan and private networks.

Accurate vNIC-to-IP mapping is fundamental for virtual networking visibility, security, and troubleshooting. On the Nutanix AHV hypervisor, this mapping becomes especially important for services like Flow Virtual Networking, microsegmentation,...

Instant Linux boxes via SSH. Create stock boxes or OCI image-backed VMs. Scale to zero and pay only for what you use.

Hi all, just a quick note I wanted to toss out here. If you are looking for a script to add all of your Proxmox virtual machines to HA without having ...

| Small Office/Home Office (SOHO)| Small-to medium-sized business (SMB)| Medium-to large-sized enterprises (MLE)

In VMware Cloud Foundation (VCF) 9.0, identity management takes a leap forward with the introduction of the VCF Identity Broker (VIDB)—a modern, flexible solution for enabling Single Sign-On (SSO) …

A web accessible Virtual Machine powered by Docker, Debian, and noVNC. - Fmstrat/webbian

Introduces the benefits of running VCF virtual networking vs. a traditional hardware-vendor based solution.

VMware Cloud Foundation 9 has brought the ⁠Virtual Private Cloud networking model⁠ front and center in the vSphere UI. Not only has it become extremely easy to provide a self-service solution for networking, but it also comes with a plethora of networking services and capabilities.

PDM 1.0 atteint le statut GA après une phase de développement d’environ douze mois, ponctuée par des versions alpha et bêta successives. Proxmox Data Center Manager se présente comme une plateforme de gestion unifiée, visant à fournir une alternative aux solutions établies comme vCenter ou Xen Orchestra pour l’administration d’infrastructures virtualisées sous Proxmox VE.

PVMSS is a lightweight, self-service web portal for Proxmox Virtual Environment. It allows users to create and manage virtual machines without needing direct access to the Proxmox web UI. - julienh...

Tackling a larger systems programming project with AI tools.

WinBoat lets you run any Windows application on Linux with seamless desktop integration. Elegant interface, automated installs, filesystem integration, and native OS-level windows.

Note: this blog is about mapping VLAN tags to NSX segments. The same functionality is described for VPC subnets in this post. Guest VLAN Tagging alone… not great with NSX By default, a virtual machine sends traffic to its vNIC untagged. The virtual switch then receives that traffic into a single VLAN or NSX segment. … Continued

Happy Sunday! Before the wave of announcements starts rolling out from VMware Explore Las Vegas, which starts tomorrow, I wanted to share a quick update. 😅 I have been pretty swamped for the past c…

In this article I will walk you through how to install Proxmox Backup Server (PBS) 4.0 inside of a VM running on Proxmox 9.0.

Deploy VMs and LXCs using Proxmox Terraform templates. Includes cloud-init, LXC provisioning, and real-world IaC examples for automation.

Keeping my laptop clean by developing in a virtual machine

Published onJun 25, 2025

2025-05-20

A deep dive into KubeVirt for vSphere admins. Learn VM creation, storage, networking, and operations mapped to familiar VMware concepts.

If you are running Nested vSAN Original Storage Architecture (OSA) or vSAN Express Storage Architecture (ESA) workloads on top of a physical vSAN OSA setup, you may want to enable the Guest TRIM/UN…

MicroVMs need bare-metal or nested virtualisation with /dev/kvm. But what if that's not available? The PVM virtualisation framework may be the answer.

Migrate VMware to Proxmox for free using Veeam Community Edition. The steps are easy and quick for VMware to Proxmox migration

Live Migration of Workloads with VMware HCX: A Customer Story

Whether you are configuring vSAN Express Storage Architecture (ESA) directly from vCenter Server or from VMware Cloud Foundation (VCF), the underlying ESXi hardware is automatically validated again…

the latest version of Data Services Manger (DSM) is now available. Version 2.2 has a wealth of new features

Introduction Some of you are using NSX for many years already and are aware of the different changes and improvements implemented in the last years. I personally started with NSX in version 2.3 and one of the first important improvements I recognized is “MultiTEP” for edge nodes from type VM. It was released with NSX 2.5 and officially added to the reference design guide.
By the way: The reference design guide is still a great resource to learn the design pricipals for NSX implementaions. This is especially interesting for those who might be new to NSX.

Why you should use MAC Learning

WebVM is a full Linux environment running in the browser, client-side. It is a complete virtual machine, with support for persistent data storage, networking and, as of today’s release, Xorg and complete desktop environments.

In this new version, we’ve added the “official” support for the newvSphere and vSAN 8.3 APIsand Veeam Backup & Replication v12.

Extension du lab à l ecosystème Xen via XCP-ng et Xen Orchestrator. Installation des solutions et principes de base

Inmy previous postI showed how to install automatically a virtual machine with pfSense. The automation I reached was around 90%, as I didn’t know how to automate the installation of the software. Than

The VCSA vPostgres service fails starting. In this post I describe how I was able to revive my Postgres instance with the help of the Postgres Write-Ahead log (WAL). The Postgres Write-Ahead Log contains enough data for Postgres to restore its state to the last committed transaction. Nevertheless, this action should be done with care.

Some time ago I bumped into a blog post from Rutger Blom about implementing EVPN integration between NSX-T and vYOS. As I was involved in my recent past with Arista in DC deployments, I was curious…

Learn all about network bonding in XCP-ng and some tricks to configure it.

Learn how packets flow inside and outside a Kubernetes cluster. Starting from the initial web request and down to the container hosting the application

Easily create a Proxmox Ubuntu cloud-init image for use with Terraform, Ansible, and other automation tools

CNI is the container network interface that provides a pluggable application programming interface to configure network interfaces in Linux containers.

Using CAPV to deploy K8s clusters with vSphere CNS

Step by step guide for using cloud-init on vSphere

For ease of configuration, virtual guests are usually connected to a layer 2 network. However, hypervisors can be turned into layer 3 routers...

Linux IPsec implementation is usually policy-based. However, route-based VPNs with a pseudo-interface are also available.

VXLAN is an overlay network for L2 traffic over an existing IP network. Let's explore how to configure it on Linux.

Virtual eXtensible Local Area Network (VXLAN) is a protocol to overlay a virtualized L2 network over an existing IP network with little setup. It...