TS-7250-V3 Buster Getting started

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Once installed, the default user is "root" with no password.

This image can be written to a USB drive, or to the eMMC. For development, a USB thumbdrive will be simplest. If a bootable USB drive is connected this will take priority over other boot media. Plug in a USB drive and check the last output from "dmesg" to get the USB disk. For example, this may be /dev/sdc.

# Erase all older partitions
sudo sgdisk --zap-all /dev/sdc
# Create one GPT Linux partition
sudo sgdisk -n 0:0:0 -t 0:8300 /dev/sdc
# Create a filesystem and mount
sudo mkfs.ext4 /dev/sdc1
sudo mkdir /mnt/usb/
sudo mount /dev/sdc1 /mnt/usb/
# Extract downloaded image:
sudo tar --numeric-owner -xf tsimx6ul-debian-buster-latest.tar.xz -C /mnt/usb/
sudo chmod 755 /mnt/usb/
sudo umount /mnt/usb/

These commands will also work while booted from a USB drive to rewrite the eMMC. Instead of /dev/sdc you would use /dev/mmcblk0, and instead of /dev/sdc1 you would use /dev/mmcblk0p1.