Virtualization
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/CompactVHDX_tn-300x169.jpg)
How to Compact a VHD or VHDX File using PowerShell
These three simple commands will compact your vhd or vhdx file, removing the whitespace inside ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/ProxmoxThinProvisioning_tn-300x169.jpg)
How to Add a Thin-Provisioned Disk in Proxmox
Learn how to convert a qcow2 disk file to thin-provisioned type ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/ProxmoxAPTError_tn-300x169.jpg)
Proxmox Update Unauthorized Issue Fix
A quick tip on how to fix the Failed to fetch, unathorized error in Proxmox when trying to update the system ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/ProxmoxExtraDrives_tn-300x169.jpg)
How to Add Extra Storage to Proxmox
Step by step guide shows how to add new storage disks to an existing Proxmox installation ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/ProxmoxVLANs_tn-300x169.jpg)
How to Set Up VLANs on Proxmox
This is the second part of our series about how to set up a home IT lab. The first part was about configuring a Proxmox hypervisor on an old machine. This part shows you how to set up VLANs for ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/RemoveProxmoxLicenseNotice_tn-300x169.jpg)
How to Remove Proxmox License Warning
This guide shows you how to remove the pesky 'No valid subscription' warning from your Proxmox portal ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/ProxmoxFullLab_tn-300x169.jpg)
How to Build a Home IT Lab with Proxmox
This article shows how to build a complete IT lab with multiple subnets using a single computer, and a switch ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2022/03/HyperVSimple_tn-300x169.jpg)
How to Build a Home IT Lab with Hyper-V
Learn how to build a full IT lab on your Windows home computer with subnets and proper routing ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2021/05/HyperV_NAT_tn-300x169.jpg)
How to create NAT-ed subnets in Hyper-V
In this exercise we go through the process of setting up a Hyper-V environment on a regular computer, with multiple virtual switches and subnets configured on them ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2020/05/proxmox-nested-virtualization_tn-300x169.jpg)
Enable Proxmox Nested Virtualization
The question has been asked many times already: is it possible to run a hypervisor INSIDE a Proxmox machine as a VM? The answer is yes. It is called nested virtualization and in this article, we will see how it ... [Read More]
![Virtualization](https://opentechtips.com/wp-content/uploads/2020/05/proxmox_vlan_tn-300x165.jpg)
Forward whole trunk ports to VMs in Proxmox
In certain scenarios we might need to forward a full VLAN trunk to a VM. In this article we go through a process of virtualizing a switch in ProxMox to achieve this easily. Before You Begin We assume the trunk ... [Read More]