Download the required image
In terminal run:
lsblk to see all block devices, your USB drive will be /dev/sdX
sudo dd if=your_image.iso of=/dev/sdX bs=1M status=progress; sync
Open rufus
Press on the select Button
Navigate to the .iso file
Press start
Press ok to confirm the write method (may be different for you) usually no need to change it:
Confirm destructive action
Wait until it finished and you are good to go