Create a bootable El Capitan installer on USB

by Volker Weber

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After you downloaded El Capitan, and before you install it, you can make a USB thumb drive that lets you install the O/S on other computers without a new download.

Erase a 8 GB thumbdrive in Disk Utility. Choose the GUID partition scheme and format as Mac OS X Extended (Journaled) and name it Untitled. Then run this command (in one line):

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction

Be patient. It is going to take a few minutes to complete. There is a lot of data to be copied to the thumbdrive.

Comments

Shouldn't we wait? :-)

Martin Kautz, 2015-10-01

Of course you should. I am going first so you don't have to make my mistakes.

Volker Weber, 2015-10-01

Geht es nicht auch einfacher? Der Installer ist eine App. Ich habe sie aus dem Programme-Ordner auf einen Stick kopiert, und von dem dann auf meine anderen Macs. Dort ließ sie sich problemlos starten und führte die Installation durch. Es war noch nicht einmal eine Account-Autorisierung nötig, da die Macs dem selben AppStore-Account zugeordnet sind. Auch die Recovery-Partition wurde korrekt angelegt.

Dieter Schmidt, 2015-10-01

Ja, das geht auch. Aber erstens ist "ein Kommando" nicht schwierig und außerdem habe ich gerne ein physisches Recovery-Medium.

Volker Weber, 2015-10-01

Vielen Dank für die exakte Anweisung und Hilfe. Für mich als Laie auf diesem Gebiet einfach perfekt.

Wolfram Votteler, 2015-10-02

FYI, my iMac (2011) and my MacBook Pro (2015) are successfully updated to OS X El Capitan. However, one external device, my Avid Mbox music interface, is no longer working, needs a new driver which isn’t available yet. :-(

Gruss, Ulli

Ulli Mueller, 2015-10-02

Eigentlich braucht man ja das Vorgänger-OS auf nem USB-Stick, um zur Not wieder zurück zu können. Ich habe das immer auf einer Partition auf der TimeMachine-Platte.

Oliver Regelmann, 2015-10-02

Ulli, that is why I always recommend to wait a week. It gives 3rd parties some time to react. Microsoft is having Outlook issues for instance.

Oliver, absolut. Die letzten drei haben ich noch auf Stick.

Volker Weber, 2015-10-02

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