[Unit]
Description=Setup OneRNG on /dev/onerng%i

[Service]
Type=oneshot
User=root
ExecStart=/bin/sh -c "/bin/stty -F /dev/onerng%i raw -echo; /bin/echo cmd0 >/dev/onerng%i; /bin/echo cmdO >/dev/onerng%i"
RemainAfterExit=true

[Install]
WantedBy=sysinit.target