#Proxmox #MacOS #BigSur #VM

Full steps can be found at https://i12bretro.github.io/tutorials/0551.html

   01. Download a MacOS Big Sur .iso  https://archive.org/search.php?query=Mac%20OS%20Big%20Sur&and[]=mediatype%3A%22software%22
   02. Download KVM OpenCore bootloader  https://github.com/thenickdude/KVM-Opencore/releases
   03. Extract the downloaded KVM OpenCore bootloader .gz file
   04. Upload the Big Sur and KVM OpenCore .iso files to the Proxmox ISO library
   05. Log into the ProxMox web UI
   06. Right click the ProxMox node name ≫ Create VM
   07. Type MacOSBigSur in the name field, set the VM ID to 1100 (unless 1100 is in use) ≫ Next
   08. On the OS tab, set the Type field to Other and select the KVM OpenCore .iso in the ISO Image field ≫ Next
   09. On the System tab, set the Graphic card field to VMware compatible, BIOS field to OVMF (UEFI), Check the Add EFI Disk checkbox, Uncheck the Pre-Enroll Keys checkbox, Machine field to q35 and the SCSI Controller to VirtIO SCSI ≫ Next
   10. 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
   11. On the CPU tab, set Cores field to 4, Type field to Penryn ≫ Next
   12. On the Memory tab, set the Memory to 4096 ≫ Next
   13. On the Network tab, set the Model field to VMware vmxnet3 ≫ Next
   14. Verify the summary and click Finish
   15. Click the MacOSBigSur VM ≫ Select Hardware from the left sub-navigation menu
   16. Click Add ≫ CD/DVD Drive
   17. Select the MacOS Big Sur .iso downloaded earlier ≫ Click Create
   18. Select the MacOSBigSur VM ≫ Options ≫ Boot Order
   19. Set the KVM OpenCore disk as the first boot option ≫ Click OK
   20. Right click the ProxMox node name ≫ Console
   21. Run the following commands in the terminal
         # edit the VM conf file, change 1100 to the VM ID for the Big Sur VM
         nano /etc/pve/qemu-server/1100.conf
   22. If running on an Intel CPU, add the following line to the bottom of the .conf file:
         FULL STEPS ON GITHUB LINK ABOVE
   23. If running on an AMD CPU, add the following line to the bottom of the .conf file:
         FULL STEPS ON GITHUB LINK ABOVE
   24. Press CTRL+W and search for ,media=cdrom
   25. Delete the ,media=cdrom from the two attached .iso files (KVM OpenCore and Big Sur) and add cache=unsafe
   26. Press CTRL+O, Enter, CTRL+X to write the changes to the conf file
   27. Back in the Proxmox web UI, right click the MacOSBigSur VM in the left navigation pane ≫ Start
   28. Click console in the left sub-navigation menu
   29. At the OpenCore menu, select UEFI Shell ≫ Press Enter
   30. Type the following in the UEFI shell:
         # change to the Big Sur .iso, the disk number may be different for you
         fs0:
         # launch the MacOS installer
         System\Library\CoreServices\boot.efi
   31. After a long initialization sequence the MAC OS Setup should start
   32. Select Disk Utility
   33. Select the VIRTIO Block Media ≫ Click Erase
   34. Name the drive OS11 ≫ Set the Format to APFS ≫ Click Erase
   35. Click Done ≫ Close Disk Utility
   36. Click Install macOS Big Sur
   37. Click Continue ≫ Click Agree ≫ Click Agree again
   38. Select the OS11 disk ≫ Click Install
   39. Wait while Mac OS 11 installs files, the VM will reboot several times
   40. Press Enter at the OpenCore boot screen after each reboot to continue the MacOS installation
   41. Select your Country ≫ Click Continue
   42. Confirm your languages and keyboard layout ≫ Click Continue
   43. Click Not Now on the Accessibility screen
   44. Click Continue on the Data & Privacy screen
   45. Select Not Now on the Migration Assistant screen
   46. Select Set Up Later and then Skip on the Apple ID screen
   47. Click Agree ≫ Agree again
   48. Enter a name, user name, password ≫ Click Continue
   49. Click Customize Settings
   50. Click Continue ≫ Select Use or Don't Use for Location Services
   51. Pick a timezone ≫ Click Continue
   52. Choose whether to share analytics with Apple ≫ Click Continue
   53. Click Set Up Later on the Screen Time screen
   54. Uncheck the Enable Ask Siri box ≫ Click Continue
   55. Pick a theme ≫ Click Continue
   56. Welcome to MacOS 11 Big Sur
 


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