![]() ![]() ![]() Use -raw to get a read-write sparse image compress Output a read-only compressed disk image with the Path to working directory on a volume with over 10G ofĪvailable space. h, -help show this help message and exit Installinstallmacos.py help text: usage: installinstallmacos.py Stores the disk image in the current working directory (this is likely going to be the logged-in user’s home folder.) Installs the packages onto the disk image.ĩ. Downloads all the relevant packages from the Software Update feed for the specified macOS installer.ħ. Creates a disk image and names it with the appropriate information for the specified macOS installer.Ħ. Once you’ve selected from the available options, the script does the following:Ĥ. Identify the listed products which appear to be macOS installers.ģ. Parse a specified Software Update feed.Ģ. Processing steps citation from reference #2 below: 1. From my point of view, the code is the opposite ofīeing opaque with some basic Python knowledge you can read through the codeĪnd get the ideas behind. Scans Apple´s regular Software Update catalogs and is able to create a wide It is an open source tool of about 600 lines written in Python. Some comments on the installinstallmacos.py script MacBook Pro Early 2015 running OS X 10.11.6 El Capitan. Ran without any problems and took somewhat less that an hour. MacOS High Sierra 10.13.6 where this clone resides on another external HD īoth HDs connected to the machine via a USB 3 hub. Upgrade a clone of the Macintosh HD with OS X 10.11.6 El Capitan to ![]() Now we can create the bootable installer on an appropriate volume: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/volume_to_contain_high_sierra_installer -applicationpath /Applications/"Install macOS High Sierra.app"įor test: Boot into the newly created installer residing on an external HD and app file into /Applications which, in our case, is Install macOS High Sierra.app We now open the sparseimage by DiskImageMounter (via Finder) and drag the installer. Run sudo python /path_to/installinstallmacos.py -catalogurl -raw ![]() Fetch installinstallmacos.py script from.So I decided to trust Greg Neagle's approach and to apply his script to solve the problem. To be honest, I was tired of trying out one workaround after the other that bright people worked out in order to overcome this issue and that, for better or for worse, fixed my issue. This issue was reported in several places, so for example in the current thread and also here macOS High Sierra media installer. When I tried to create a bootable installer for High Sierra I came across the problem that the installer downloaded from the App Store proved to be a "stub" version. Then, copy the download directory off to another machine for future use. rw-r-r- 1 user staff 269647 '/macOS Install Data/OSX_10_13_IncompatibleAppList.pkg' rwxr-xr-x 1 root wheel 23520 Dec 1 12:37 '/macOS Install Data/Locked Files/cleanup_installer' rw-r-r- 1 root wheel 3557 Jan 8 07:38 '/macOS Install Data/Locked Files/.disk_label_2x' rw-r-r- 1 root wheel 15 Jan 8 07:38 '/macOS Install Data/Locked Files/.disk_ntentDetails' rw-r-r- 1 root wheel 893 Jan 8 07:38 '/macOS Install Data/Locked Files/.disk_label' rw-r-r- 2 user wheel 1584 Dec 4 19:09 '/macOS Install Data/ist' rw-r-r- 1 user staff 4706541399 Dec 4 19:09 '/macOS Install Data/InstallESDDmg.pkg' rw-r-r- 1 user staff 2124 Jan 8 08:39 '/macOS Install Data/index.sproduct' rw-r-r- 1 user staff 478740408 Dec 4 19:04 '/macOS Install Data/BaseSystem.dmg' rw-r-r- 1 user staff 1948 Dec 4 19:03 '/macOS Install Data/BaseSystem.chunklist' rw-r-r- 1 user staff 2613173 Dec 4 19:03 '/macOS Install Data/AppleDiagnostics.dmg' rw-r-r- 1 user staff 328 Dec 4 19:03 '/macOS Install Data/AppleDiagnostics.chunklist' Before doing that, inspect the download directory: sudo find /macOS\ Install\ Data -type f -exec ls -l \ When the download is complete, the installer will prompt for a system restart. After that, it will begin downloading to "/macOS Install Data" on the local machine. Click "Continue", accept the licensing agreement, select the install drive, then the installer will prompt for an admin password. It will launch "Install macOS High Sierra" after the download completes. From the App Store, grab the High Sierra installer. ![]()
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