![]() ![]() Since this approach uses a patched 10.15.3 Base System an additional step of disabling System Integrity Protection is required. While researching the issue I found runMacOSinVirtualBox and liked the flow of the process so I took a similar approach ( makefile.) and used some of the code to generate the installer, Base System, and boot images. That process could be modified with the steps done here but this is how I got it working so I wanted to polish it up and push it. The original macos-guest-virtualbox script would automate the download of the MacOS installer, then populate a VDI with the install files. The major difference between it and its predecessor is that new install, boot, and the macOS Base System images are created and then used by the VM for installation. ![]() The macos-on-virtualbox script does most of the work for creating a VM and configuring it. clean : Delete temporary files (currently busted.) catalina : Create VM & disks, partition HD, init installer, fix startup, run installer, fix Preboot, and start Catalina check : Check required dependencies are installed It's highly recommended that you run make check to confirm your system has all the required dependencies installed before running make catalina.Įxecute make for details on how to run the full installation process. Once you have the required software, files, and configurations set use make to handle the setup process. The macos-on-virtualbox.sh, scripts/make-Catalina-Installer.sh, and scripts/make-Catalina-Boot.sh scripts each contain settings that should be reviewed before running. If you don't already have the file you can extract it from the MacOS Mojave installer. Place the file in the directory scripts/EFI. You will also need the boot.efi file from MacOS 10.15.1 or lower. You will need the MacOS Catalina Installer under the Applications folder (or change the location in scripts/make-Catalina-Installer.sh).
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