💡 NOTE: MacOS higher than version 12 requires a CPU with AVX2 instruction support
- Download a MacOS Sequoia .iso Download OR create your own https://youtu.be/JFMvUpdCMwo
- Download KVM OpenCore bootloader Download
- Extract the downloaded KVM OpenCore bootloader .gz file
- Upload the Sequoia and KVM OpenCore .iso files to the Proxmox ISO library
- Log into the ProxMox web UI
- Right click the ProxMox node name > Create VM
- Type MacOSSequoia in the name field, set the VM ID to 1500 (unless 1500 is in use) > Next
- On the OS tab, set the Type field to Other and select the KVM OpenCore .iso in the ISO Image field > Next
- On the System tab, set the Graphic card field to VMware compatible, BIOS field to OVMF (UEFI), Uncheck the Pre-Enroll Keys checkbox, Check the Add EFI Disk checkbox, Machine field to q35 and the SCSI Controller to VirtIO SCSI > Next
- On the Hard Disk tab, set the Bus/Device field to VirtIO Block, Disk size field to 64, Cache field to Write back (unsafe) > Next
- On the CPU tab, set Cores field to 4, Type field to host > Next
- On the Memory tab, set the Memory to 8192 or more > Next
- On the Network tab, set the Model field to VMware vmxnet3 > Next
- Verify the summary and click Finish
- Click the MacOSSequoia VM > Select Hardware from the left sub-navigation menu
- Click Add > CD/DVD Drive
- Select the MacOS Sequoia .iso downloaded earlier > Click Add
- Right click the Proxmox node name > Console
- Run the following commands in the terminal
# edit the VM conf file, change 1500 to the VM ID for the MacOSSequoia VM
nano /etc/pve/qemu-server/1500.conf - If running on an Intel CPU, add the following line to the bottom of the .conf file:
args: -device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" -smbios type=2 -device qemu-xhci -device usb-kbd -device usb-tablet -global nec-usb-xhci.msi=off -global ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off -cpu host,vendor=GenuineIntel,+invtsc,+hypervisor,kvm=on,vmware-cpuid-freq=on
- If running on an AMD CPU, add the following line to the bottom of the .conf file:
args: -device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" -smbios type=2 -device qemu-xhci -device usb-kbd -device usb-tablet -global nec-usb-xhci.msi=off -global ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off -cpu Haswell-noTSX,vendor=GenuineIntel,+invtsc,+hypervisor,kvm=on,vmware-cpuid-freq=on
- Press CTRL+W and search for ,media=cdrom
- Delete the ,media=cdrom from the two attached .iso files (KVM OpenCore and Sequoia) and add cache=unsafe
- Press CTRL+O, Enter, CTRL+X to write the changes to the conf file
- Back in the Proxmox web UI, right click the MacOSSequoia VM in the left navigation pane > Start
- Click console in the left sub-navigation menu
- At the OpenCore menu press Enter to start the MacOS installer
- If Install MacOS isn't an option select UEFI Shell > Press Enter
- Type the following in the UEFI shell:
# change to the Sequoia.iso, the disk number may be different for you
fs0:
# launch the MacOS installer
System\Library\CoreServices\boot.efi - After a long initialization sequence the MAC OS Setup should start
- Select Disk Utility
- Select the VIRTIO Block Media > Click Erase
- Name the drive MacOS > Set the Format to APFS > Click Erase
- Click Done > Close Disk Utility
- Click Install macOS Sequoia
- Click Continue > Click Agree > Click Agree again
- Select the MacOS disk > Click Install
- Wait while Mac OS installs files, the VM will reboot several times
- Select your Country or Region > Click Continue
- Confirm your languages and keyboard layout > Click Continue
- Click Not Now on the Accessibility screen
- Click Continue on the Data & Privacy screen
- Select Not Now on the Migration Assistant screen
- Select Set Up Later and then Skip on the Apple ID screen
- Click Agree on the Terms and Conditions screen > Agree again
- Enter a name, user name, password > Click Continue
- Click Continue > Select Use or Don't Use for Location Services
- Pick a timezone > Click Continue
- Uncheck Share Mac Analytics with Apple > Click Continue
- Click Set Up Later on the Screen Time screen
- Pick a theme > Click Continue
- Welcome to MacOS 15 Sequoia
Configuring Booting Without OpenCore Mounted
- Log into the MacOSSequoia VM
- Launch a web browser and download the KVM OpenCore EFI folder Download
- Download MountEFI from GitHub Download
- Start LaunchPad from the dock
- Search terminal > Click Terminal to launch it
- Run the following commands in the terminal window
cd ~/Downloads/MountEFI-update
chmod +x MountEFI.command
./MountEFI.command - Enter the number that corresponds to the MacOS drive created during the installation (2 in this example) > Press Enter
- Open a Finder window
- Navigate to the mounted EFI location
- If an existing EFI folder exists, rename the it to EFI.orig
- Copy the KVM OpenCoreEFI folder downloaded earlier to the mounted EFI partition
- Once the EFI folder is copied, shutdown the VM
- Click the MacOSSequoia VM > Select Hardware from the left sub-navigation menu
- Click the OpenCore iso to select it > Click Detach
- Click the MacOS Sequoia iso to select it > Click Detach
- Right click the MacOSSequoia VM in the left navigation pane > Start
- Click console in the left sub-navigation menu to verify the VM still boots into Sequoia without the OpenCore disc image mounted