OSX - install on a bootable USB Stick
- Download “Install macOS High Sierra.app” from Appstore.
- it’s Stub File that must download the install data during the install process
-
Start Installation process - choose a drive with enough space for the install data (~5GB)
-
don’t restart the Computer after the download has finished
- move the downloaded data into the “Install macOS High Sierra.app” Folder
sudo mkdir -p "/Applications/Install macOS High Sierra.app/Contents/SharedSupport/"
sudo rsync -harP "/Volumes/<ABC>/macOS Install Data/" "/Applications/Install macOS High Sierra.app/Contents/SharedSupport/"
- Create Boot Medium:
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/<USB-STICK>
- (if needed) confirm questions with
y(yes)
