Prepare the OSX USB Boot

Aiko · April 23, 2018, 6:46pm

Create OSX USB Boot

Check Disk/ Format Disk HSJ+

diskutil list
sudo diskutil eraseVolume jhfs+ MyVolume disk0s4

Create USB Boot

https://hackintosher.com/guides/make-macos-flash-drive-installer/

sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia --applicationpath /Applications/Install\ macOS\ High\ Sierra.app --volume /Volumes/Hackintosher/

remove all partitions (recommended)

diskutil list
diskutil unmount /dev/disk0s4
gpt destroy /dev/diskY

Disk Command

gist.github.com

https://gist.github.com/bzerangue/dca8fc2d63309ba2bd9f/

_verify-repair-permissions-disk.md

## Verify and Repair Disk Permissions via Terminal (Mac OS X)

**Verify Permissions**

`diskutil verifyPermissions /`

**Repair Permissions**

`diskutil repairPermissions /`

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if-unable-to-unmount-drive-mac.md

# If unable to unmount drive on Mac

You can try booting from OS X recovery by holding CMD + R at the time of startup. Once booted from OS X recovery, select Terminal from the utilities and then at the unix prompt enter:

- diskutil list
- then press return and look for the disk identifier and enter the following command with the disk identifier:
- `sudo diskutil unmountDisk /dev/(enter here disk identifier name)`
- Press return and enter your admin password if prompted. This should unmount all volumes of the physical drive.
- If still the above method didn't work, then the last option is to force the entire disk to unmount.
- For that using the terminal application again, enter the following command:

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sofwareupdate.md

## Mac OS X Software Update via Terminal

To get a list of available software updates, type the following command:

`softwareupdate -l`

You will see a list of available updates. You can then install all available software updates with the following command:

`sudo softwareupdate -iva`

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Others

diskutil list

In my case I wanted to format the parition as NTFS for installing Windows 7 on it. The last parameter is the partition 4 on first disk.

diskutil eraseVolume "Tuxera NTFS" my-ntfs disk0s4

To list available filesystems

diskutil listFilesystems

For those of you looking to format an entire disk and remove all partitions here is the command:

diskutil eraseDisk free itsfree /dev/disk6

Partitioning a Disk

diskutil partitionDisk /dev/disk2 GPT JHFS+ New 0b
sudo diskutil eraseVolume jhfs+ MyVolume disk0s4

https://tobywf.com/2017/01/diskutil/

Aiko · April 23, 2018, 9:08pm

App for Create USB Boot

http://diskmakerx.com/

Command Line

https://9to5mac.com/2017/08/02/how-to-create-bootable-macos-high-sierra-usb-install-drive-video/