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## Push-button installer of macOS on VirtualBox
[`macos-guest-virtualbox.sh`](https://raw.githubusercontent.com/myspaghetti/macos-guest-virtualbox/master/macos-guest-virtualbox.sh) is a Bash script that creates a macOS virtual machine guest on VirtualBox with unmodified macOS installation files downloaded directly from Apple servers. Tested on [Cygwin](https://cygwin.com/install.html). Works on macOS, Windows Subsystem for Linux, and CentOS 7. Should work on most modern Linux distros.
[`macos-guest-virtualbox.sh`](https://raw.githubusercontent.com/myspaghetti/macos-guest-virtualbox/master/macos-guest-virtualbox.sh) is a Bash script that creates a macOS virtual machine guest on VirtualBox with unmodified macOS installation files downloaded directly from Apple servers. Tested on [Cygwin](https://cygwin.com/install.html). Works on macOS, CentOS 7, and Windows. Should work on most modern Linux distros.
A default install only requires the user to sit patiently and, less than ten times, press enter when prompted by the script, without interacting with the virtual machine.
@@ -52,12 +52,16 @@ VirtualBox does not supply an EDID for its virtual display, and macOS does not e
The VirtualBox EFI implementation does not properly load the FileVault full disk encryption password prompt upon boot. The bootloader [OpenCore](https://github.com/acidanthera/OpenCorePkg/releases/tag/0.5.8) is able to load the password prompt with the parameter `ProvideConsoleGop` set to `true`. See sample [config.plist](https://github.com/myspaghetti/macos-virtualbox/files/4640669/config.plist.txt).
### VirtualBox Native Execution Manager (NEM)
The VirtualBox Native Execution Manager (NEM) is an experimental VirtualBox feature. VirtualBox uses NEM when access to VT-x and AMD-V is blocked by virtualization software or execution protection features such as Hyper-V, Windows Sandbox, WSL2, memory integrity protection, and other software. macOS and the macOS installer have memory corruption issues under NEM virtualization. The script checks for NEM and gives an error message if it is detected.
## Dependencies
All the dependencies should be available through a package manager:
`bash` `coreutils` `gzip` `unzip` `wget` `xxd` `dmg2img` `virtualbox`
* [VirtualBox](https://www.virtualbox.org/wiki/Downloads) ≥ 6.1.6 with Extension Pack, though versions as low as 5.2 may work.
* GNU `Bash` ≥ 4.3, on Windows run through [Cygwin](https://cygwin.com/install.html) or WSL.
* GNU `Bash` ≥ 4.3, on Windows run through [Cygwin](https://cygwin.com/install.html) or WSL - see [NEM](#VirtualBox-Native-Execution-Manager-(NEM\))
* GNU `coreutils` ≥ 8.22, GNU `gzip` ≥ 1.5, Info-ZIP `unzip` ≥ v6.0, GNU `wget` ≥ 1.14, `xxd` ≥ 1.7
* `dmg2img` ≥ 1.6.5, on Cygwin the package is not available through the package manager so the script downloads it automatically.