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--- macos_install [2019-10-01 13:15:56]
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+++ macos_install [2023-03-24 12:11:25] (current)
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 = MacOS Install downloads
-== High Sierra
+== Download
+The installer must be downloaded from App Store, and you need an Apple ID with a payment method (Credit card). You can select "None" as payment method, but then you cannot download!
+The App Store link for High Sierra is \\
+[[macappstores://apps.apple.com/app/macos-high-sierra/id1246284741?mt=12]]
+Links to other versions in the App store can be found at https://support.apple.com/en-us/HT211683
+After the download it will start the installer.
+== Make USB
+To create a USB key with the installer:
+* cancel the installation
+* insert USB key
+* set the name of the USB key in a variable: <code>name=U # <== Volume name (eg. "USB_Installer")</code>
+* Run <code>sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/$name
+</code>
+or with other versions or methods, maybe adding the ''--applicationpath'' option is useful?
+  sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ macOS\ High\ Sierra.app
+=== Format USB
+This step is probably unnecessary, because the installer does the formatting?
+  diskutil list | grep -A6 external
+  disk=disk4; name=USB_Installer     # <== Define variables
+  diskutil eraseDisk HFS+ $name $disk
+== If incomplete download:
 This one might only get a small stub instead of the full image: https://apps.apple.com/us/app/macos-high-sierra/id1246284741?mt=12
-Direct download of missing stuff:
+To get the full installer:
+  * Start the installer, which will download missing stuff
+  * Quit when prompted to restart
+  * Copy downloaded files to the right place :
+  sudo cp -pRv "/macOS Install Data" "/Applications/Install macOS High Sierra.app/Contents/SharedSupport"
+Or directly download the missing stuff:
 File list: https://swscan.apple.com/content/catalogs/others/index-10.13-10.12-10.11-10.10-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz
@@ Line 21: / Line 61: @@
   curl -R --remote-name-all $url/{BaseSystem,AppleDiagnostics}.{dmg,chunklist} $url/Install{Info.plist,ESDDmg.pkg}
+==See also
+[[https://forums.mydigitallife.net/threads/download-full-macos-installers-from-command-line.84790/|This forum post]] (or [[https://scriptingosx.com/2019/10/download-a-full-install-macos-app-with-softwareupdate-in-catalina/|this page]]) suggest using ''softwareupdate''. It didn't work for me, but may be worth trying:
+  softwareupdate --list-full-installers
+  softwareupdate --fetch-full-installer --full-installer-version 10.13.6 # adapt version number
+https://www.insanelymac.com/forum/topic/329828-making-a-bootable-high-sierra-usb-installer-entirely-from-scratch-in-windows-or-linux-mint-without-access-to-mac-or-app-store-installerapp/
+https://apple.stackexchange.com/questions/299731/macos-high-sierra-media-installer
+https://apple.stackexchange.com/questions/324710/install-macos-high-sierra-app-does-not-appear-to-be-a-valid-os-installer-applica
+[[https://support.apple.com/en-us/HT201372|Apple's How to create a bootable installer for macOS]] :
+  sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume

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