Siemens SIMATIC IPC Operating Manual page 20

Preparing the USB stick
5.2 Preparing the USB stick for Linux
8. To create ext4 file system, run command "mkfs.ext4
<usb_stick_partition_created_in_step8>".
Example: mkfs.ext4 /dev/sdb1
9. To label partition, run command "e2label <usb_stick_partition_created_in_step8>
USBONBOARD".
Example: e2label /dev/sdb1 USBONBOARD
10.Unplug and replug the USB stick.
11.Copy onboard config file into USB partition named as "USBONBOARD".
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SIMATIC IPC Industrial Edge Device - Operation V1.3
Operating Manual, 09/2021, A5E51396302-AA