Can't create ubuntu bootable usb on my mac

You can use NetBoot Ubuntu to create Ubuntu bootable USB on Mac is a handy method that leverages network booting technology to set up your bootable drive. Here's how you can do it:

1. Prepare the NetBoot Server: First, you need to set up a NetBoot server on your Mac or another machine. This server hosts the Ubuntu network installer files and allows your Mac to boot over the network.

2. Download Ubuntu NetBoot Files: Obtain the Ubuntu NetBoot image files from the official Ubuntu website. These files contain the minimal installer needed to start the Ubuntu installation process via network.

3. Configure Your Mac to Boot from Network: Restart your Mac and access the Startup Manager (by holding the Option key during boot). Choose the network boot option, which should now be available if you've set up the NetBoot server correctly.

4. Boot into the Network Installer: Your Mac will boot into the Ubuntu network installer environment. Follow the on-screen instructions to select your language, keyboard layout, and other preferences.

5. Connect and Prepare Your USB: When prompted, connect your USB drive. The installer will detect the USB and allow you to write the Ubuntu system onto it.

6. Create the Bootable USB: Use the installer’s options to write the Ubuntu installation image directly to the USB. This process effectively create Ubuntu bootable USB on Mac via network boot.

7. Finish and Boot from USB: Once the process completes, shut down the network installer, disconnect from the network, and restart your Mac. Use the Startup Manager (hold Option during boot) to select the USB drive and boot into your newly created Ubuntu USB.