Creating a bootable USB installer for your Apple OSX Device | Kingfisher Computers
in this tutorial I am going to demonstrate how to create a USB bootable USB installer for your Apple iMac, MacBook or MacMini
in the video I discuss how to obtain versions of OSX from the App Store, how to format the USB stick, and then opening terminal and placing the correct command to enable disk utility to install and transfer OSX images to the USB device
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Notes From Blog
In this blog i am going to demonstrate how to create an Apple OSX or now macOS Bootable startup USB Disk
These days with current versions of OSX from Mavericks to Sierra, and all versions in between, you can use a USB flash drive or other removable media as a startup disk from which to install the Mac operating system.
Its simple all we need to do is download a version of OSX from preferably the App Store and follow the instructions below to install the necessary version of osx to your Apple Mac
USE THE ‘CREATEINSTALLMEDIA’ COMMAND IN TERMINAL
Download the macOS installer from the Mac App Store. Quit the installer if it opens automatically after downloading. The installer will be in your Applications folder.
Mount your USB flash drive or other volume. You could also use a secondary internal partition.
Open the Terminal app, which is in the Utilities folder of your Applications folder.
Use the createinstallmedia command in Terminal to create the bootable installer. For detailed usage instructions, make sure that the appropriate macOS installer is in your Applications folder, then enter one of the following paths in Terminal:
Path for Sierra:
/Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia
Path for El Capitan:
/Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia
Path for Yosemite:
/Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia
Path for Mavericks:
/Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia
EXAMPLES
This is the basic syntax of the command. Replace volumepath with the path to your USB flash drive or other volume, and replace installerpath with the path to the Install OS X app.
createinstallmedia --volume volumepath --applicationpath installerpath
The following examples assume that the OS X installer is in your Applications folder and the name of your USB flash drive or other volume is MyVolume:
Example for Sierra:
sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ macOS\ Sierra.app
Example for El Capitan:
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app
Example for Yosemite:
sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ Yosemite.app
Example for Mavericks:
sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install\ OS\ X\ Mavericks.app
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