Berthold's WiKi

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====== Install Mac OS X High Sierra in Virtual Box ======


To install Mac OS X High Sierra in Virtual Box you need to things: An installation media of High Sierra and Virtual Box. We assume, you are running any Version of Mac OS X.

===== Get the needed Files =====


First, start with Mac OS X High Sierra:

To get Mac OS X High Sierra download it in the [[https://www.apple.com/de/app-store/|Mac App Store]]. After the download has completed, either the installer launches or High Sierra can not be installed, because it is too old. In the ﬁrst case, quitt the in installer and do not proceed. In the second case do nothing. In both cases, you will ﬁnd the installer in the application folder named macOS High Sierra installieren as shown in fig {{ref>applcation_folder}}.

<figure applcation_folder>
{{macosx:applicationfolder_highsierra.png}}
<caption>Mac OS X Applikation Folder</caption>
</figure>

We need this ﬁle later.

Next, we need Virtual Box from Oracle at https://www.virtualbox.org. You need the VirtualBox 6.1.4 platform package and VirtualBox 6.1.4 Oracle VM VirtualBox Extension Pack. Download and install both.

===== Create an Installation Image of Mac OS X High Sierra =====


In the previous step, we downloaded ﬁle "//macOS High Sierra installieren//". We use this ﬁle to create a DVD image ﬁle of the operation system, that will be used to install a new virtual machine in Virtual Box.

Let us start. First, launch Terminal App as shown in fig {{ref>terminal_app}}.

<figure terminal_app>
{{macosx:terminal_app.png}}
<caption>Terminal App</caption>
</figure>


Now we create a hard disk image with the name HighSierra.sparseimage by entering

<code bash>
hdiutil create -o HighSierra -size 8G -layout SPUD -fs HFS+J -type SPARSE
</code>

in Terminal App.

In the next step, we mount this image:

<code bash>
hdiutil attach HighSierra.sparseimage -noverify -mountpoint /Volumes/install_build
</code>

An icon of the hard disk install_build image will appear on the desktop folder.

Now, we copy the installer ﬁles of Mac OS X High Sierra in the new create image ﬁle install_build and we make the image ﬁle bootable:

<code bash>
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/install_build
</code>

Notice, that the program “''createinstallmedia''” is part of the package Install ''macOS High Sierra.app'', that we downloaded as ﬁle ''macOS High Sierra installieren'' from the Apple server. If ''Install macOS High Sierra.app'' is at another location and not in the ''Applications'' - folder, change the path in the command.

Before the programm ''createinstallmedia'' will be startet, the ''Install macOS High Sierra.app'' will be testet for errors (see Fig. {{ref>macos_high_sierra_testing}}).

<figure macos_high_sierra_testing>
{{macosx:macos_high_sierra_testing.png?500%}}
<caption>Testing ''Install macOS High Sierra.app''</caption>
</figure>

Depending on the Mac OS X Version this test will fail (see Fig. {{ref>macos_high_sierra_failed}}).

<figure macos_high_sierra_failed>
{{macosx:macos high sierra failed.png?400%}}
<caption>Testing ''Install macOS High Sierra.app'' failed</caption>
</figure>

This is due to the Mac OS X policy, to deny to open apps from unknown developers. But you can force to open the app. Therefore, do not move the app into the trash. Next, open the System Ulilities App and select the security settings. Somewhere at the end, you can force oppening the app (see Fig. {{ref>macos_high_sierra_open}}). Then, follow the instructions and try to open ''createinstallmedia'' again.

<figure macos_high_sierra_open>
{{macosx:macos_high_sierra_open.png}}
<caption>Force ''Install macOS High Sierra.app'' to open</caption>
</figure>

After ''createinstallmedia'' has finished, we unmount the disk image:

<code bash>
hdiutil detach /Volumes/Install\ macOS\ High\ Sierra/
</code>

Finally, we convert the disk image to a DVD image:

<code bash>
hdiutil convert HighSierra.sparseimage -format UDTO -o HighSierra.iso
</code>

and move the DVD image to the desktop folder.

<code bash>
mv HighSierra.iso.cdr ~/Desktop/HighSierra.iso
</code>

And do not forget to erase the no more needed disk image:

<code bash>
rm HighSierra.sparseimage
</code>

This new created DVD image will be used to install Mac OS X High Sierra in Virtual Box.

===== Create a Virtual Machine of Mac OS X High Sierra using Virtual Box =====

Now, we can start building a virtual machine of Mac OS X High Sierra using Virtual Box. This procedure has only been tested using Mac OS X. What you need, is the Virtual Box App and a DVD image of Mac OS X High Sierra. How to create this DVD image was explained in the previous chapter.

Now, launch the //Virtual Box App// and create a virtual machine by pressing the New-button. A new window opens that guides you through the creation process (see fig {{ref>highsierra_create}}).

<figure highsierra_create>
{{macosx:highsierra_create.png}}
<caption>Virtual Machine Creation</caption>
</figure>

Give the virtual machine a meaningful name, select //Mac OS X// as the desired operating system and //macOS 10.13 High Sierra (64 bit)// as the operating system version. If you have ﬁnished, press continue.

In the next window (see fig. {{ref>highsierra_ram}}), enter the amount of RAM. Choose at least //4096 MByte// and go to the next window.

<figure highsierra_rame>
{{macosx:highsierra_ram.png}}
<caption>Virtual Machine Creation (select memory)</caption>
</figure>

You will now be asked, which hard disk you like to use. Choose creation of a //new hard disk// for the virtual machine (see fig. {{ref>highsierra_disk}}) and proceed.

<figure highsierra_disk>
{{macosx:highsierra_disk.png}}
<caption>Virtual Machine Hard Disk</caption>
</figure>

The type of the hard disk should be a //VDI (Virtual Box Image)//. The size of the disk should be dynamically adjustable and at least //25 GByte//.

After creating the hard disk the creation of the virtual machine is ﬁnished. An overview window is shown in fig. {{ref>highsierra_overview}}.

<figure highsierra_overview>
{{macosx:highsierra_overview.png}}
<caption>Virtual Machine Overview</caption>
</figure>

The overview depicted in fig.{{ref>highsierra_overview}} look diﬀerent from your settings. Adjust the following parameters by freeing the modify-button at the top of the Window:

  * Number of CPUs will be //2//, 
  * Size of //graphics memory// will be //128 MByte//, 
  * If Enabled, //disable the SSD// option 
  * Disable the //ﬂoppy disk drive//, and 
  * //disable sound//.

And most important choose for //optical drive// (SATA-Port 1) the ''HighSierra.iso'' ﬁle.

===== Boot High Sierra =====


Now, start the virtual machine. After some cryptical message shown in th escreen, the boot process of Mac OS X start (look at fig. {{ref>highsierra_boot}}).

<figure highsierra_boot>
{{macosx:highsierra_boot.png}}
<caption>Max OS X Boot</caption>
</figure>

At the end of the boot process the Mac OS X Installer launches as shown in fig. {{ref>highsierra_installer}}.

<figure highsierra_installer>
{{macosx:highsierra_installer.png}}
<caption>Max OS X Installer</caption>
</figure>

Now, open Festplattendienstprogramm (Disk Utility). A new window, shown in fig. {{ref>highsierra_diskutility}} opens. Choose “show all” in the Menu Darstellung and select VBOX HARDDISK MEDIA.

<figure highsierra_diskutility>
{{macosx:highsierra_diskutility.png}}
<caption>Festplattendienstprogramm</caption>
</figure>


As you can see in fig. {{ref>highsierra_diskutility}}, the disk ist not initialized. Press the Löschen-Button. A new window opens, as shown in fig. {{ref>highsierra_erase_disk}}.

<figure highsierra_erase_disk>
{{macosx:highsierra_erase_disk.png}}
<caption>Erase Disk</caption>
</figure>

Fill out needed parameters as shown in {{ref>highsierra_erase_disk}}. and quit Festplattendienstprogramm.

Back in the main window (see fig. {{ref>highsierra_main}}) of the installer, choose macOS installieren.

<figure highsierra_main>
{{macosx:highsierra_main.png}}
<caption>Installer MainWindow</caption>
</figure>

After license agreements and prompting for hard disk name, the installation process will start. It should be mentioned, that the installation will be cancelled with the error “installation program is corrupted. In this case try changing the computer date with the command

<code bash>
date 0308143015
</code>

using the Terminal app.

But everything is ﬁne, the installation will start (see fig. {{ref>highsierra_installation}}).

<figure highsierra_installation>
{{macosx:highsierra_installation.png}}
<caption>Installer MainWindow</caption>
</figure>

After the installation is completed, you will see the Mac OS X Desktop of High Sierra. It is a good advice to install now the Virtual Box Guest Additions. For this, you have to eject the installation image of High Sierra and to choose then Item Insert Guest CD Image of the Device menu. This menu is only visible after start of a virtual machine. After the image has been mounted, the Desktop is similar as shown in fig. {{ref>highsierra_guest}}.

<figure highsierra_guest>
{{macosx:highsierra_guest.png}}
<caption>Mac OS X High Sierra Desktop</caption>
</figure>

Open and Install the package VBoxDarwinAdditions.pkg. After the installation is ﬁnished, you are ready to use Mac OS X High Sierra.

Not go back to 2_1_access_via_usb to continue connecting the BeagleBone Black to the USB interface.