Blog post about using QEMU/KVM with latest macOS versions (#28)

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Co-authored-by: Kirill Taran <[email protected]>

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content/blog/02-run-new-macos-in-qemu-kvm.md

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+title = "Run Latest Versions of macOS on Kernel Virtual Machines (KVM)"
+date = 2024-09-24
+template = "blog/page.html"
+description="Virtual machines (VMs) are a powerful tool that enables the emulation of various operating systems on a single physical computer, ranging from Windows to Linux to macOS, depending on the VM's configuration. Software like VirtualBox and QEMU/KVM facilitates the creation and management of VMs. However, the latest versions of macOS, such as Ventura, pose certain challenges for emulation within a Virtual Machine... In this post, we will explain how to get the latest versions of macOS running on Linux physical machine using QEMU/KVM."
+[extra]
+
+author = "Shubert"
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+
+## Why QEMU/KVM?
+
+The main reason to use QEMU/KVM is that it works better with the newest macOS versions, like Ventura, which often have problems running on VirtualBox. We can't run a macOS in QEMU right away though, but here really cool project [OSX-KVM](https://github.com/kholia/OSX-KVM) comes into play. We'll use macOS Sonoma as our example to show how it works.
+
+## How to use OSX-KVM?
+
+First of all, clone [OSX-KVM](https://github.com/kholia/OSX-KVM) and follow the instructions in the `README`. Chances are that, if you had followed all the steps from that repo, you already have a VM ready to run macOS Sonoma.
+
+However, if your machine cannot boot up to Sonoma, the explanation could be in the [Requirements](https://github.com/kholia/OSX-KVM#requirements) section of the OSX-KVM repo’s `README`. There is a requirement of a “CPU with AVX2 support” to run macOS Ventura or a later version.
+
+## Latest macOS versions and AVX2 support 
+
+Now you need to check if your machine supports AVX2. To do this open terminal and run this command:
+
+```
+grep -o 'avx[^ ]*' /proc/cpuinfo
+```
+
+If your machine has AVX2 support it will print `avx avx2` for each core in the machine’s CPU.
+
+Then navigate to `OSX-KVM` folder, open `OpenCoreBoot.sh` file and do some edits:
+1. Locate the line where `MY_OPTIONS` is declared, and add `+avx2` to it’s values.
+2. Edit `-cpu` value to `host` entry.
+
+Save the script and run it. Sonoma should load now.
+
+### References
+- [OSX-KVM](https://github.com/kholia/OSX-KVM/pull/207)
+- [ostechnix](https://ostechnix.com/check-if-linux-system-supports-avx-and-avx2/)