how do i create a mac os x usb bootable installer

Following all the steps carefully will have you going. I used this method when Etcher did not exist.īe careful while using the command. This is an old method but evergreen method. The first option is for entering the live Ubuntu session Method 2: Create bootable Ubuntu USB in macOS using command line You should see the grub screen with option to boot into live Ubuntu session (the first option). If you see two EFI Boot options, choose either of them. At start up when the Apple tune starts up, press and hold option (or alt) key. Step 4: Booting from the live Ubuntu USB on macOS Once the purpose of Linux USB is over, you can use Gparted tool in macOS or Linux to format this USB back to normal.Īs long as Etcher gives you a success message about flash completion, no need to worry about it. It’s just that the USB is now in a format your macOS does not like and hence it complains. When the process completes, you should see a message that the “ disk you inserted was not readable by this computer“. It will take a few minutes at the most to complete the process. If it does not, click on the ‘Target’ button and select the correct USB device.īrowse to the downloaded Linux ISO file and hit the flash button. It should automatically recognize the plugged in USB (unless there are more than one). Make sure that there is no important data on it because it will be formatted.

Installing Etcher on macOS Step 3: Using Etcher to create bootable Linux USB Drag the Etcher icon to the Applications icon.

Double click on the downloaded file and it will open the installer. As a macOS user you probably already know how to install DMG file.

How do i create a mac os x usb bootable installer