Look and feel like Apple's createinstallmedia command (e.g.
Automatically adapt the strategy used to create the ISO image to the installer application type, thereby supporting a wide range of macOS versions (see: Compatibility).The purpose of this program createinstalliso is to create a bootable ISO image from a downloaded macOS installer application. However, they are often only written for a single macOS version and cannot adapt to the specific macOS version contained in the installation program. In case you need a bootable ISO image instead, you can find a lot of shell scripts in forums that create such an ISO image for certain macOS versions. If you have ever needed to install macOS on a new computer, you have probably discovered the ability to create a bootable USB flash drive or other volume by using the createinstallmedia command included in the downloaded macOS installer: How to create a bootable installer for macOS. contains a broken createinstallmedia command. Example for the macOS Catalina installer.This image can then be used to install macOS on a physical or virtual machine. If you’d rather install El Capitan on the SSD then follow the How to Install El Capitan on a New SSD guide.Creates a bootable ISO image from a macOS installer application. Here’s link to a video on how to physically install the SSD as well as run the software installation. Follow the prompts until Yosemite is installed.Choose to Install OS X on the formatted SSD.Once complete, exit from Disk Utility and return the main menu.When the menu finally turns up, choose Disk Utility and format the SSD as Mac OS Extended (Journaled) with a unique name.Insert the Yosemite USB stick into the target laptop and power up.Physically install SSD into the target laptop.Change this to match the name of your USB stick. Where MyVolume is the name of your USB stick. Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Yosemite.app Create a bootable image from the Yosemite installer on a USB stick larger than 6GB.It will be downloaded to /Applications and be named Install OS X Yosemite.app It might complain that you already have it installed but download it anyway. Download Yosemite installation from the App store.I thought I’d blog about it to help anyone else who needed to do the same.īasically I was trying to sell a 2010 MBP with a new SSD, with Yosemite installed but not configured. The process of installing Yosemite on the new SSD was not as straightforward as I would have liked. I wanted to keep all my existing data on my old laptop, so I decided to swap out its SSD and to put in a brand new one. After I got my new MBP, I decided to sell my old 2010 MBP.
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