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[32656.573467] sd 8:0:0:0: [sdX] Attached SCSI removable disk
`sdX` will be `sdb`, `sdc`, `sdd`, etc.
This is the name of the disk you will use. We'll call it `sdX` from now on. If you have connected more than one USB stick to the system, be careful that you identify the correct one, often you will see a manufacturer name or capacity in the output which you can use to make sure you identified the correct stick.