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ww898/boot_from_usb_ubuntu_18.04.sh

Last active April 7, 2020 08:21
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Switch booting from SD card to USB drive on Raspberry Pi 4 under ubuntu 18.04.
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boot_from_usb_ubuntu_18.04.sh
#!/bin/bash
set -exuo pipefail
# Connect USB drive with clean copy of Ubuntu 18.04 image only before run this script!!!
sudo sfdisk --list /dev/mmcblk0
sudo sfdisk --list /dev/sda
read -p "Press [Enter] key to start modifying partition table..."
sudo sfdisk --delete /dev/mmcblk0 2 >/dev/null 2>&1
sudo sfdisk --delete /dev/sda 1 >/dev/null 2>&1
sudo sfdisk --list /dev/mmcblk0
sudo sfdisk --list /dev/sda
read -p "Press [Enter] key to reboot..."
sudo reboot
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