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Merge branch 'master' of https://github.com/myspaghetti/macos-virtualbox

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2020-07-04 10:39:47 +03:00
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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.
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QEMU with KVM is capable of providing virtual machine hardware passthrough for near-native performance. QEMU supports the `VMDK` virtual disk image storage format, which can be configured to be created by the script. See the [documentation command](#documentation) for further information. QEMU and KVM require additional configuration that is beyond the scope of the script.
#### 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 exits with an error message if it is detected.
### Bootloaders
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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`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.