Create bootable USB from command line.

bootable-usb.sh

# adapted from https://web.archive.org/web/20190522110737/https://antergos.com/wiki/uncategorized/create-a-working-live-usb/

# first find out the device of your usb
sudo fdisk -l

# now that you know the letter, replace the "X" below
# typically "X" is replaced by "b" or "c" but it can be different on your system
# make sure it's not the device of your hard drive, otherwise you wipe it
sudo dd bs=4M if=/path/to/image.iso of=/dev/sdX status=progress
sync