44 lines
4.0 KiB
Markdown
44 lines
4.0 KiB
Markdown
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## Push-button installer of macOS on VirtualBox
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[`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.
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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.
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### macOS Catalina (10.15), Mojave (10.14), and High Sierra (10.13) currently supported.
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## Documentation
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Documentation can be viewed by executing the command `./macos-guest-virtualbox.sh documentation`
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## iCloud and iMessage connectivity and NVRAM
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iCloud, iMessage, and other connected Apple services require a valid device name and serial number, board ID and serial number, and other genuine (or genuine-like) Apple parameters. These can be set in NVRAM by editing the script. See `documentation` for further information.
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## Storage size
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The script by default assigns a target virtual disk storage size of 80GB, which is populated to about 20GB on the host on initial installation. After the installation is complete, the storage size may be increased. See `documentation` for further information.
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## Primary display resolution
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The following primary display resolutions are supported by macOS on VirtualBox: `5120x2880` `2880x1800` `2560x1600` `2560x1440` `1920x1200` `1600x1200` `1680x1050` `1440x900` `1280x800` `1024x768` `640x480`. See `documentation` for further information.
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## Unsupported features
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Developing and maintaining VirtualBox or macOS features is beyond the scope of this script. Some features may behave unexpectedly, such as USB device support, audio support, FileVault boot password prompt support, and other features.
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#### Performance
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After successfully creating a working macOS virtual machine, consider importing it into QEMU/KVM so it can run with hardware passthrough at near-native performance. QEMU/KVM requires additional configuration that is beyond the scope of the script.
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#### Bootloaders
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The macOS VirtualBox guest is loaded without extra bootloaders, but it is compatible with [OpenCore](https://github.com/acidanthera/OpenCorePkg/releases). OpenCore requires additional configuration that is beyond the scope of the script.
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#### Audio
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macOS may not support any built-in VirtualBox audio controllers. The bootloader [OpenCore](https://github.com/acidanthera/OpenCorePkg/releases) may be able to load open-source or built-in audio drivers in VirtualBox, providing the configuration for STAC9221 (Intel HD Audio) or SigmaTel STAC9700,83,84 (ICH AC97) is available.
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#### FileVault
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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/0.5.7) is able to load the password prompt with the parameter `ProvideConsoleGop` set to `true`. See bare [config.plist](https://github.com/myspaghetti/macos-guest-virtualbox/files/4455100/config.plist.txt).
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## Dependencies
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All the dependencies should be available through a package manager:
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`bash` `coreutils` `gzip` `unzip` `wget` `xxd` `dmg2img` `virtualbox`
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* [VirtualBox](https://www.virtualbox.org/wiki/Downloads)≥6.1.6 with Extension Pack, though versions as low as 5.2 may work.
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* GNU `Bash`≥4.3, on Windows run through [Cygwin](https://cygwin.com/install.html) or WSL.
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* GNU `coreutils`≥8.22, GNU `gzip`≥1.5, Info-ZIP `unzip`≥v6.0, GNU `wget`≥1.14, `xxd`≥1.7
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* `dmg2img`≥1.6.5, on Cygwin the package is not available through the package manager so the script downloads it automatically.
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