Run a macOS Sonoma VM on a Windows PC

Posted on 17/06/2024 by jensd

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Running macOS in a virtual machine is pretty straightforward when doing this on a Mac that is running macOS already as it is easy to get your hands on the installation files. When you want to do this on a x86-based Windows machine it gets a bit more complicated but that is exactly what I will cover in this post. Using a virtual machine with macOS allows you to experiment and play around with different versions of macOS itself without the need for real Apple hardware. It also allows you to have an environment to troubleshoot and diagnose issues with real Mac hardware when you no longer have a working macOS-based machine available.

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Run a macOS Sonoma VM on an Intel-based Mac

Posted on 29/05/2024 by jensd

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Running a virtual machine on an Intel-based Mac is a very common thing. But typically, people would be running Windows or Linux on their x86-based Mac. It is perfectly possible to virtualize macOS as well. This allows for some experimenting with different versions or playing around without the risk of breaking your own macOS instance. In this article, I will explain how to get macOS Sonoma up and running in a VM when you’re have an Intel-based Mac, by using VMware Fusion.

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Run a macOS Sonoma VM on a Silicon-based Mac

Posted on 28/05/2024 by jensd

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When talking about running a VM on a Mac, most of the times people assume you will be running Windows but it’s perfectly possible to run macOS virtually as well. This allows you to run different separate macOS instances, on different versions if you like, independently from the natively installed macOS on your machine. This allows for some experimenting with different versions or playing around without the risk of breaking your own macOS instance. In this article, I will explain how to get this going when you’re have a Silicon-based Mac, using UTM.

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Run Windows 98 SE on a modern Mac (with M1)

Posted on 13/12/2021 by jensd

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Running Windows 98 today seems like a strange thing to do. First of all, it can’t run natively on a modern 64 bit CPU and definitely not on an M1-based Mac. Secondly, it’s seriously outdated and is considered useless for today’s productivity. Thinking about it further, you will see that it opens a whole new old world. There are so much high quality applications and especially games out there, which you can’t run directly on a modern PC and for sure not on a Mac. By using emulation with UTM and QEMU, we can install Windows 98 SE on a new Mac and are able to revive that past experience and fun you had before. This article covers installing and configuring Windows 98 SE on a MacBook M1 by using UTM.

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Install Windows 11 ARM on M1-based Macs with UTM

Posted on 22/10/2021 by jensd

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One subject that comes up very often is the ability to run Windows on an M1-based Mac. Even though many people swear by macOS, Bootcamp and Windows on a Mac still seems to be a widely used option. As these M1-based devices are using a different architecture: ARM, they are not compatible with Mac’s previous and most-used architecture for Windows-based computers: x86. That means that in order to run Windows on an M1 device, you basically have two options: Use an ARM-based version of Windows or emulate an x86-64 based machine and run a regular Windows version. For this article, I will get Windows 11 for ARM running on an M1 MacBook Air by using UTM.

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Install and use CentOS 8 or RHEL 8 as KVM virtualization host

Posted on 14/10/2020 by jensd

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There are many possibilities to turn your machine into a host for virtual machines, emulating one or more separate and isolated computers. Among the popular commercial products from VMWare or Hyper-V on Windows, KVM is a great and mature alternative for full virtualization with great stability and performance. This guide will explain you step by step, from the start how to get this up and running.

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Install oVirt on CentOS 7

Posted on 30/03/2015 by jensd

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Recently, as you could see in previous posts, oVirt got to my attention. oVirt is the upstream project of Red Hat Enterprise Visualization or RHEV. While oVirt it isn’t providing everything that competitor VMWare ESXi does, it comes close and is a very good alternative for smaller or home setups. For a long time, oVirt wasn’t supported on Enterprise Linux 7 (like RHEL 7 or CentOS 7) but since a short time it is. Here you can find how to install oVirt and get started.

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Move a guest from VMWare ESX to oVirt or RHEV

Posted on 18/02/2015 by jensd

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When working in an environment where you have both a VMWare hypervisor and an oVirt or RHEV hypservisor or you want to migrate away from VMWare ESX to oVirt or RHEV, you will need a way to move or copy your current virtual machines from one to another. Unfortunately this can’t be done without downtime but at least it can be done. In this post I’ll try to explain how to successfully move a VM running on ESX or vCenter to an oVirt or Red Hat Enterprise Virtualization host.

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Create a new virtual machine in oVirt with Python using the API

Posted on 11/02/2015 by jensd

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Recently, I started to work or play, it’s a matter of definition, a little more with oVirt. oVirt is less known than VMWare but it’s the upstream project for Red Hat’s Enterprise Virtualization (RHEV) and based on libvirt. In an earlier post, I explained how to create VM’s on VMWare vSphere environments using Python and the VMWare API. In this post, I’ll explain how to acomplish the same using the oVirt API. It turned out to be easier than I expected.

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Monitor oVirt or libvirt with SNMP and Zabbix

Posted on 06/02/2015 by jensd

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Somehow, I expected to have little to no work when I wanted to monitor an oVirt host over SNMP. One would expect this since oVirt is the upstream project for Red Hat’s Enterprise Virtualization (RHEV) which seems to be quite strong in the market. While it isn’t that hard to get information about using SNMP for oVirt or libvirt the outcome can be disappointing. There is some documentation about it but here you can find a more hands-on explanation.

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Expand or grow a file system on a Linux VMWare VM without downtime

Posted on 09/01/2015 by jensd

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When your VM’s file systems are running out of space and you want to provide more space to your VM and you can’t afford any downtime, there are basically two options. Either you delete some files on the file system or you expand your current file system. Expanding your current file system can be accomplished by growing an existing virtual disk or adding a new virtual disk. Besides cleaning up, both other solutions work fine and I’ll try to explain how to get both of them active without rebooting the system or any downtime.

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Create a new virtual machine in Vsphere with Python, Pysphere and the VMWare API

Posted on 29/12/2014 by jensd

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The VMWare API is very extensive and allows you to do almost all operations that are possible with VMWare using API calls. In order to be able to easily create and deploy new virtual machines, it can be a good idea to standardize and create VM’s using a (Python) script that calls the API. In this post, I will give some examples on how to easily create a new VM using Pysphere and the VMWare API.

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Clone a z/VM Linux user/guest instance from another Linux guest

Posted on 05/12/2014 by jensd

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Cloning a virtual machine or user as it is called in z/VM terms from within another guest/user running Linux can be used in a lot of different scenario’s. Especially when the people managing the z/VM platform and virtual machines are less experienced with z/VM, it could be good to let them create a clone without the need to access a 3270 terminal. This scenario can also be used to let users do some self service and provide them with new instances without intervention.

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Install and use Debian Wheezy as Xen virtualization host

Posted on 18/10/2014 by jensd

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Earlier, I explained how to setup CentOS or RHEL as a KVM virtualization host. You can find that explanation here. It also contains some basic terminology about virtualization which is also applicable for Xen. When talking about KVM, somehow, I immediately associate it with the Red Hat family just as when you talk about Xen, I associate it to Debian derivatives. So for this post, I’ll use Debian to install a host that will run Xen-VM’s by using paravirtualization.

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Start with a simple 2-node OpenStack setup with KVM

Posted on 14/10/2014 by jensd

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OpenStack is something that gets more and more in the picture and even if you’re only a little interested in the latest technologies, you must have heard from OpenStack here or there. But what is it exactly and more important, how does it work practically. The best way to figure that out is just to get going with it and try to install it and play around. Here you can find a brief explanation and a tutorial or waltrough to deploy a small OpenStack environment on top of CentOS 7 or RHEL 7.

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Install and use CentOS 7 or RHEL 7 as KVM virtualization host

Posted on 27/08/2014 by jensd

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When thinking about virtualization, everybody immediately thinks about VMWare. And it must be said, the product they offer is very decent but also comes with a “decent” price. As an alternative, it’s worth looking into KVM for your virtualization. As with the VMWare product range, KVM offers full virtualization and it can compete with VMWare regarding stability and performance.

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