Good morning,
regular openvpnctrl should start the daemon and modprobe the tun device → git.ipfire.org Git - ipfire-2.x.git/blob - src/misc-progs/openvpnctrl.c. Did you start the OpenVPn server once ? If no, you can give it a try. If yes, what is the output of
ls -lad /dev/net/tun
?
Best,
Erik