surajRathi/systemd_nspawn_usb_passthrough.md

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systemd_nspawn_usb_passthrough.md

To use devices inside your nspawn container do:

Edit systemd-nspawn@<machine_name>.service and add a line like the below

DeviceAllow="/dev/serial/by-id/usb-Roboteq_Motor_Controller_SDC2XXX-if00 rwm"
DeviceAllow=char-ttyACM rwm
DeviceAllow=char-usb_device rwm
DeviceAllow=ttyACM rwm

To see valid device types do:

cat /proc/devices

Then bind mount the device:

sudo machinectl bind --mkdir <machine_name> /dev/serial/by-id/usb-Roboteq_Motor_Controller_SDC2XXX-if00

See man systemd.resource-control