how to install macos high sierra from usb

Run the first bit of C code from this page (you’ll need XCode installed) and it’ll print out the 64 character OSK for you. You can get around this by reading an authentication key out of your real Mac hardware (the OSK key). MacOS checks that it is running on real Mac hardware, and refuses to boot on third-party hardware. iso files for us) Fetch the OSK authentication key (I do it this way because Proxmox has nicer tools for storing and picking. iso file extension, this is actually a hard disk image. We’ll be using Clover as a bootloader for High Sierra.ĭownload this Clover disk image (that I built using kholia’s build script from Clover r4243), unpack it, and upload it to Proxmox’s ISO store at /var/lib/vz/template/iso.

Upload the ISO to your Proxmox server’s ISO store (typically /var/lib/vz/template/iso).

The ISO should get saved to your desktop. Now run this script in order to create HighSierra.iso from the installer. If you received the 16MB version, follow the instructions here to get the full 5GB version instead. Some people will end up with a 16MB installer, and some will receive the full 5GB installer (nobody knows why yet). On a Mac machine, download the macOS High Sierra installer from the App Store (this will download it into your Applications folder).Ĭheck the size of the completed download. Your Proxmox host computer must have an Intel CPU at least as new as Penryn (I believe you would need a a custom Mac kernel in order to use an AMD CPU). You also need a real Mac available in order to download High Sierra from the App Store and build the installation ISO. I’ll assume you already have Proxmox 5.0 installed. There is more documentation there which will help out with enabling extra features and diagnosing problems! Requirements This tutorial for installing macOS Sierra has been adapted for Proxmox 5.0 (not any later version like 5.1!) from Kholia’s GitHub project for installing into vanilla KVM. Recovering lost GPG public keys from your YubiKeyĪre you running Proxmox 5.1 or later? Use my current instructions here instead, this guide is only for 5.0.Installing macOS 12 “Monterey” on Proxmox 7.Expanding the disk of your Proxmox macOS VM.Driving a 4-pin computer PWM fan on the BTT Octopus using Klipper.Installing macOS 13 Ventura Developer Beta on Proxmox 7.2.Installing macOS 13 Ventura on Proxmox 7.2.Fixing Xcode on Monterey under OpenCore Legacy Patcher.

How to install macos high sierra from usb